<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:f84de13a-90d1-42e1-9855-b6cc6bd8d0aa,g:94273ae5-deee-4650-8f0e-9ac6e39ec8b7-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.digi.com/role/CoverPage" xlink:type="simple" xlink:href="dgii-20220331.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_be6aa0c8-220f-4b16-93b3-4e45d9db7000" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_79dd3af2-87f4-46b3-bd41-e7df20444b8a" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntitiesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_be6aa0c8-220f-4b16-93b3-4e45d9db7000" xlink:to="loc_dei_EntitiesTable_79dd3af2-87f4-46b3-bd41-e7df20444b8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsExchangeAxis_48eedb64-5e63-4f8d-93e4-ce94cd4b99e6" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityListingsExchangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_79dd3af2-87f4-46b3-bd41-e7df20444b8a" xlink:to="loc_dei_EntityListingsExchangeAxis_48eedb64-5e63-4f8d-93e4-ce94cd4b99e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ExchangeDomain_6124ef3c-7d2d-4dda-8e96-7d9dd7c4934b" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_ExchangeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsExchangeAxis_48eedb64-5e63-4f8d-93e4-ce94cd4b99e6" xlink:to="loc_dei_ExchangeDomain_6124ef3c-7d2d-4dda-8e96-7d9dd7c4934b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_exch_XNAS_8750c18c-f013-4835-bfdd-11a41750786a" xlink:href="https://xbrl.sec.gov/exch/2021/exch-2021.xsd#exch_XNAS"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_ExchangeDomain_6124ef3c-7d2d-4dda-8e96-7d9dd7c4934b" xlink:to="loc_exch_XNAS_8750c18c-f013-4835-bfdd-11a41750786a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_79dd3af2-87f4-46b3-bd41-e7df20444b8a" xlink:to="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_fe38f81c-9bd8-469c-ac10-4d18f68f1f6c" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_DocumentType_fe38f81c-9bd8-469c-ac10-4d18f68f1f6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_3b8c8add-18e1-425c-a0f0-ab06ed666272" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentQuarterlyReport"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_DocumentQuarterlyReport_3b8c8add-18e1-425c-a0f0-ab06ed666272" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_ff1fa583-ae6f-48fc-9acb-bd8399ec5afb" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_DocumentPeriodEndDate_ff1fa583-ae6f-48fc-9acb-bd8399ec5afb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_e6f6b33d-0b73-4521-a6a4-4c7777ff5576" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentTransitionReport"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_DocumentTransitionReport_e6f6b33d-0b73-4521-a6a4-4c7777ff5576" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_822661ec-7e6c-4448-bec4-64a032da58df" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityFileNumber_822661ec-7e6c-4448-bec4-64a032da58df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_58da74c2-e3c3-41a2-ac77-854ce5ce1889" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityRegistrantName_58da74c2-e3c3-41a2-ac77-854ce5ce1889" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_6ea9771b-2b55-44e9-98b9-3fe04113b857" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityIncorporationStateCountryCode_6ea9771b-2b55-44e9-98b9-3fe04113b857" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_4879a188-b760-409f-be1d-0c0f191a766e" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityTaxIdentificationNumber_4879a188-b760-409f-be1d-0c0f191a766e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_5f4b849a-cee0-4848-ae0a-2b47772bfb1b" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityAddressAddressLine1_5f4b849a-cee0-4848-ae0a-2b47772bfb1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_7831c4bc-4e7b-47db-b344-3ab4dd4aa0a0" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityAddressAddressLine2_7831c4bc-4e7b-47db-b344-3ab4dd4aa0a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_037ed94f-104a-466e-8229-caa3fc3e07cb" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityAddressCityOrTown_037ed94f-104a-466e-8229-caa3fc3e07cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_8fd800de-3902-4984-a6d0-325e613f3cd1" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityAddressStateOrProvince_8fd800de-3902-4984-a6d0-325e613f3cd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_9905d8c0-4eb2-4379-a8dc-f9c5f86b902b" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityAddressPostalZipCode_9905d8c0-4eb2-4379-a8dc-f9c5f86b902b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_bfbccaa8-706c-4862-8208-a3befb09c5b1" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_CityAreaCode_bfbccaa8-706c-4862-8208-a3befb09c5b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_3e7d24ee-78a9-4a9e-a326-ecd7a0732678" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_LocalPhoneNumber_3e7d24ee-78a9-4a9e-a326-ecd7a0732678" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_42eb6599-956e-420c-b60b-d65c17c04e15" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_Security12bTitle_42eb6599-956e-420c-b60b-d65c17c04e15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_9a7566c3-4a41-4418-8a08-2288321496b3" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_TradingSymbol_9a7566c3-4a41-4418-8a08-2288321496b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_e9eda22d-b4df-432e-9862-fd8b9feb8e23" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_SecurityExchangeName_e9eda22d-b4df-432e-9862-fd8b9feb8e23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_dd8f3fe9-553e-4e1a-ac6a-545edcae5deb" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCurrentReportingStatus"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityCurrentReportingStatus_dd8f3fe9-553e-4e1a-ac6a-545edcae5deb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_0d4a6d12-741d-42bd-b384-30247b2c988e" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityInteractiveDataCurrent_0d4a6d12-741d-42bd-b384-30247b2c988e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_cee1ee94-efb3-4ed1-a2a0-bce9465a1451" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFilerCategory"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityFilerCategory_cee1ee94-efb3-4ed1-a2a0-bce9465a1451" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_927a261a-2dbe-4855-a507-3d6cf61b7195" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntitySmallBusiness"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntitySmallBusiness_927a261a-2dbe-4855-a507-3d6cf61b7195" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_c1d39870-260f-4698-a8b3-ee55efdd9b27" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityEmergingGrowthCompany_c1d39870-260f-4698-a8b3-ee55efdd9b27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_854c9b86-ebfd-4472-bc61-5c3ee35374a7" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityShellCompany"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityShellCompany_854c9b86-ebfd-4472-bc61-5c3ee35374a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_2b6b4892-819b-45eb-aeec-e0ff5bcee37f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_2b6b4892-819b-45eb-aeec-e0ff5bcee37f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_dd7e35cf-94b4-464b-917a-c49a2d5dfe49" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_EntityCentralIndexKey_dd7e35cf-94b4-464b-917a-c49a2d5dfe49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_b3a04872-4223-46ff-9d72-1f477fa481e6" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_CurrentFiscalYearEndDate_b3a04872-4223-46ff-9d72-1f477fa481e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_7da97b44-9541-4715-8a53-c62478c30461" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentFiscalYearFocus"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_DocumentFiscalYearFocus_7da97b44-9541-4715-8a53-c62478c30461" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_a7da8a66-50ea-49b7-bfb4-b3f60aec04ba" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_DocumentFiscalPeriodFocus_a7da8a66-50ea-49b7-bfb4-b3f60aec04ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_11743dec-9d23-4ecd-bc3c-a087e7e2a81f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_1edfca97-a692-4079-a5ec-6c063f920a43" xlink:to="loc_dei_AmendmentFlag_11743dec-9d23-4ecd-bc3c-a087e7e2a81f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/CondensedConsolidatedStatementsofOperationsUnaudited" xlink:type="simple" xlink:href="dgii-20220331.xsd#CondensedConsolidatedStatementsofOperationsUnaudited"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/CondensedConsolidatedStatementsofOperationsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_6af6bcc9-cd9d-44bb-994d-f1a6231ffc12" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_42d7806b-4a20-4461-9dd4-8f60dcee9804" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_6af6bcc9-cd9d-44bb-994d-f1a6231ffc12" xlink:to="loc_us-gaap_StatementTable_42d7806b-4a20-4461-9dd4-8f60dcee9804" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_847ff681-868a-475b-83ce-1b31cc89160d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_42d7806b-4a20-4461-9dd4-8f60dcee9804" xlink:to="loc_srt_ProductOrServiceAxis_847ff681-868a-475b-83ce-1b31cc89160d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_ef691d2d-ecb5-444f-87de-bc9c13ee1ea5" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_847ff681-868a-475b-83ce-1b31cc89160d" xlink:to="loc_srt_ProductsAndServicesDomain_ef691d2d-ecb5-444f-87de-bc9c13ee1ea5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_52394fdb-647e-4650-bfea-25b626cfcb7c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_ef691d2d-ecb5-444f-87de-bc9c13ee1ea5" xlink:to="loc_us-gaap_ProductMember_52394fdb-647e-4650-bfea-25b626cfcb7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_98d62c82-32f1-4e4c-ba0e-85da23b8e7eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ServiceMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_ef691d2d-ecb5-444f-87de-bc9c13ee1ea5" xlink:to="loc_us-gaap_ServiceMember_98d62c82-32f1-4e4c-ba0e-85da23b8e7eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_42d7806b-4a20-4461-9dd4-8f60dcee9804" xlink:to="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_6b1982cc-45b1-428e-92eb-36e5c45d1000" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenuesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_RevenuesAbstract_6b1982cc-45b1-428e-92eb-36e5c45d1000" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1072d4c6-db73-48a4-b5e7-ac8c46a0b008" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_6b1982cc-45b1-428e-92eb-36e5c45d1000" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1072d4c6-db73-48a4-b5e7-ac8c46a0b008" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_39e4aea0-6625-4d78-ae86-246db1f77961" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_6b1982cc-45b1-428e-92eb-36e5c45d1000" xlink:to="loc_us-gaap_Revenues_39e4aea0-6625-4d78-ae86-246db1f77961" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_70d7c02c-5290-499c-b4d1-13f6bcc791a7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_70d7c02c-5290-499c-b4d1-13f6bcc791a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_CostOfGoodsAndServicesSoldExcludingAmortization_3d8b36a3-d822-44b9-8ae7-91a464cc2d3c" xlink:href="dgii-20220331.xsd#dgii_CostOfGoodsAndServicesSoldExcludingAmortization"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_70d7c02c-5290-499c-b4d1-13f6bcc791a7" xlink:to="loc_dgii_CostOfGoodsAndServicesSoldExcludingAmortization_3d8b36a3-d822-44b9-8ae7-91a464cc2d3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAmortization_d187e5d7-4bb3-45a1-99af-cc2fe2e83a73" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldAmortization"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_70d7c02c-5290-499c-b4d1-13f6bcc791a7" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldAmortization_d187e5d7-4bb3-45a1-99af-cc2fe2e83a73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_8c1d3a03-97af-43e7-89cb-459698685d46" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_70d7c02c-5290-499c-b4d1-13f6bcc791a7" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_8c1d3a03-97af-43e7-89cb-459698685d46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_ee317ee6-4602-4963-815d-535bce1ea3d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GrossProfit"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_GrossProfit_ee317ee6-4602-4963-815d-535bce1ea3d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_0c613d55-fd35-4ec8-9c2b-73bee02609e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_OperatingExpensesAbstract_0c613d55-fd35-4ec8-9c2b-73bee02609e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_55af2bdb-8c5d-4a1f-9e90-41531d4fd95a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_0c613d55-fd35-4ec8-9c2b-73bee02609e9" xlink:to="loc_us-gaap_SellingAndMarketingExpense_55af2bdb-8c5d-4a1f-9e90-41531d4fd95a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_01c64fae-06cc-4dc8-b4b9-678d9979cb1b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_0c613d55-fd35-4ec8-9c2b-73bee02609e9" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_01c64fae-06cc-4dc8-b4b9-678d9979cb1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_67651715-017b-4538-831b-0205b78ba7ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_0c613d55-fd35-4ec8-9c2b-73bee02609e9" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_67651715-017b-4538-831b-0205b78ba7ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_RestructuringReversalChargeNet_87a3c7d9-0468-44fc-8970-ed8429d59d42" xlink:href="dgii-20220331.xsd#dgii_RestructuringReversalChargeNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_0c613d55-fd35-4ec8-9c2b-73bee02609e9" xlink:to="loc_dgii_RestructuringReversalChargeNet_87a3c7d9-0468-44fc-8970-ed8429d59d42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_afd131e0-8f5a-451f-88e1-4fc455e7a2e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpenses"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_0c613d55-fd35-4ec8-9c2b-73bee02609e9" xlink:to="loc_us-gaap_OperatingExpenses_afd131e0-8f5a-451f-88e1-4fc455e7a2e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_b0d706a1-1cd5-48ec-9f1f-e6de52dcc1f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_OperatingIncomeLoss_b0d706a1-1cd5-48ec-9f1f-e6de52dcc1f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_c1624634-2fe3-42b5-becd-7248cfe9d7da" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_c1624634-2fe3-42b5-becd-7248cfe9d7da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_591e9e7f-7bde-4646-82f9-962bef582acf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_c1624634-2fe3-42b5-becd-7248cfe9d7da" xlink:to="loc_us-gaap_InvestmentIncomeInterest_591e9e7f-7bde-4646-82f9-962bef582acf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_8209a483-1687-42ef-aae5-fb2695121f33" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_c1624634-2fe3-42b5-becd-7248cfe9d7da" xlink:to="loc_us-gaap_InterestExpense_8209a483-1687-42ef-aae5-fb2695121f33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_6eaa7a69-493c-41d0-8601-63f4f4f73bd0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_c1624634-2fe3-42b5-becd-7248cfe9d7da" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_6eaa7a69-493c-41d0-8601-63f4f4f73bd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_OtherIncomeNet_b59f0bea-eff7-4946-8ee0-87279c3cca5d" xlink:href="dgii-20220331.xsd#dgii_OtherIncomeNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_c1624634-2fe3-42b5-becd-7248cfe9d7da" xlink:to="loc_dgii_OtherIncomeNet_b59f0bea-eff7-4946-8ee0-87279c3cca5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_df61e4d6-279c-4bf1-b9a6-fa0a6ad09333" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_df61e4d6-279c-4bf1-b9a6-fa0a6ad09333" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_303b1317-0f35-43ec-983b-9b5583335df6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_303b1317-0f35-43ec-983b-9b5583335df6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_99fb08a2-5e32-4561-bfe1-c2a27144b2e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_NetIncomeLoss_99fb08a2-5e32-4561-bfe1-c2a27144b2e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_f5caf442-4b97-4c0b-be23-aa8d86ab4684" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_f5caf442-4b97-4c0b-be23-aa8d86ab4684" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_bbeeaa70-92ff-4246-a36c-1fc066d1ba2e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_f5caf442-4b97-4c0b-be23-aa8d86ab4684" xlink:to="loc_us-gaap_EarningsPerShareBasic_bbeeaa70-92ff-4246-a36c-1fc066d1ba2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_7bd633e8-b108-4f40-bd18-35c8f4ddf79f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_7bd633e8-b108-4f40-bd18-35c8f4ddf79f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_c7588604-87c6-4df4-9ad1-e065edc6a865" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_7bd633e8-b108-4f40-bd18-35c8f4ddf79f" xlink:to="loc_us-gaap_EarningsPerShareDiluted_c7588604-87c6-4df4-9ad1-e065edc6a865" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_08d0d16a-b31f-4c21-b254-3d64759ea022" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_07d9e7ed-69f8-42dd-96c3-17f7defd5709" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_08d0d16a-b31f-4c21-b254-3d64759ea022" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8ed1d3e0-1fe4-473a-9fdb-8a9fde239411" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_08d0d16a-b31f-4c21-b254-3d64759ea022" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8ed1d3e0-1fe4-473a-9fdb-8a9fde239411" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ddf7f1de-d974-4167-a836-af28890206d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_08d0d16a-b31f-4c21-b254-3d64759ea022" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ddf7f1de-d974-4167-a836-af28890206d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="simple" xlink:href="dgii-20220331.xsd#CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_baec0ca2-17af-4f9e-993e-241c5faef385" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_ff643d27-f1b4-4f75-8038-bfe55ab8cb6f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_baec0ca2-17af-4f9e-993e-241c5faef385" xlink:to="loc_us-gaap_NetIncomeLoss_ff643d27-f1b4-4f75-8038-bfe55ab8cb6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_cf36dd3c-41f2-4f26-92ac-71e610a04b97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_baec0ca2-17af-4f9e-993e-241c5faef385" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_cf36dd3c-41f2-4f26-92ac-71e610a04b97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_5b2df43e-b1ac-49bf-883d-12493c4f756d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_cf36dd3c-41f2-4f26-92ac-71e610a04b97" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_5b2df43e-b1ac-49bf-883d-12493c4f756d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_ba6d24a6-0860-4a00-81ef-9b4e7c202bc9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_cf36dd3c-41f2-4f26-92ac-71e610a04b97" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_ba6d24a6-0860-4a00-81ef-9b4e7c202bc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_573c7c2a-5786-4b58-825c-c0875ee2982b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_baec0ca2-17af-4f9e-993e-241c5faef385" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_573c7c2a-5786-4b58-825c-c0875ee2982b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="dgii-20220331.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_08a8aa76-9f85-41ef-831f-4b4dc5ab877c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_08a8aa76-9f85-41ef-831f-4b4dc5ab877c" xlink:to="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cf596df1-d0c4-4cff-9a4b-bd97c2e8c046" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cf596df1-d0c4-4cff-9a4b-bd97c2e8c046" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_326aa514-1a6e-4fe0-aad9-327dc1dc3006" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_326aa514-1a6e-4fe0-aad9-327dc1dc3006" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_4730011a-19a9-41be-a03f-deabb5949930" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:to="loc_us-gaap_InventoryNet_4730011a-19a9-41be-a03f-deabb5949930" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_a721dfe7-edee-4790-92c9-6512e1e34e32" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxesReceivable"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:to="loc_us-gaap_IncomeTaxesReceivable_a721dfe7-edee-4790-92c9-6512e1e34e32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_bc679a47-dd12-406d-9260-dafba18aa4dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_bc679a47-dd12-406d-9260-dafba18aa4dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_c9816a2c-280f-4ce3-b31f-eea5ed061d00" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6bba0c29-5450-45d5-8efe-8960fbb116ef" xlink:to="loc_us-gaap_AssetsCurrent_c9816a2c-280f-4ce3-b31f-eea5ed061d00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_8144e2fc-0de0-4834-b828-ecc5cb288b4c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_8144e2fc-0de0-4834-b828-ecc5cb288b4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_5511e66b-e2e3-4b1a-9f0a-f22d01199a7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_5511e66b-e2e3-4b1a-9f0a-f22d01199a7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ba1f131c-7d55-40b3-96c2-232ed79257ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ba1f131c-7d55-40b3-96c2-232ed79257ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_7baddff4-6999-467c-b336-33cd11b45703" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_Goodwill_7baddff4-6999-467c-b336-33cd11b45703" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_7fa5bcca-91f2-420d-ad9f-7c07a83e3c4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_7fa5bcca-91f2-420d-ad9f-7c07a83e3c4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_a4fe1d6f-ef32-44cc-810f-2b5b9fdcae9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_a4fe1d6f-ef32-44cc-810f-2b5b9fdcae9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_841ae36a-1c19-47f5-8ca6-ff2b99acf6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_647ff217-6b0c-4a7b-bece-48e8a53ea173" xlink:to="loc_us-gaap_Assets_841ae36a-1c19-47f5-8ca6-ff2b99acf6dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_08a8aa76-9f85-41ef-831f-4b4dc5ab877c" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_454478be-269f-4bfc-a489-8afdf490889d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_LongTermDebtCurrent_454478be-269f-4bfc-a489-8afdf490889d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_2593be89-f7c1-45ec-8fa5-5e26dd3f546e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_AccountsPayableCurrent_2593be89-f7c1-45ec-8fa5-5e26dd3f546e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_46c3cf0a-a503-4865-a078-df4c86ed0dd8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_46c3cf0a-a503-4865-a078-df4c86ed0dd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_0d4970c4-d59b-459f-8aeb-408aa6b23777" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_0d4970c4-d59b-459f-8aeb-408aa6b23777" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_89994058-8b73-4edd-9b8c-f7ade14eae33" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_89994058-8b73-4edd-9b8c-f7ade14eae33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_6ae3165c-52a4-49a8-a539-bd6ff73396fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_6ae3165c-52a4-49a8-a539-bd6ff73396fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_e04c42de-5040-4fe5-a5ba-a9e57f944145" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_e04c42de-5040-4fe5-a5ba-a9e57f944145" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_c073ef54-0b53-4d36-baa2-b7a43f052dfe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_26d532dd-1b0b-4fbc-b7de-d0b790d644c9" xlink:to="loc_us-gaap_LiabilitiesCurrent_c073ef54-0b53-4d36-baa2-b7a43f052dfe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_02eb266f-2928-458a-8d38-01391c6aed82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_02eb266f-2928-458a-8d38-01391c6aed82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_b1314dbc-9f1a-40cb-9b9b-400d88a17e89" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_b1314dbc-9f1a-40cb-9b9b-400d88a17e89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_0d42a82e-8782-4d19-b84e-678b617323eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_LongTermDebt_0d42a82e-8782-4d19-b84e-678b617323eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_117e0d0f-77a1-4f3d-bcbf-935e81fd31e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_117e0d0f-77a1-4f3d-bcbf-935e81fd31e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_1cc1d732-1029-4933-8ab9-7b70078ce20c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_1cc1d732-1029-4933-8ab9-7b70078ce20c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_b01a9bfc-0c9a-415f-a3c3-f45db0471e15" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_Liabilities_b01a9bfc-0c9a-415f-a3c3-f45db0471e15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_013d1ef5-b5ca-4329-ac03-7ed88768e18b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_CommitmentsAndContingencies_013d1ef5-b5ca-4329-ac03-7ed88768e18b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_ae6b4395-fc0a-481f-9f0d-feed47b28376" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:to="loc_us-gaap_PreferredStockValue_ae6b4395-fc0a-481f-9f0d-feed47b28376" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_ab3a67b8-7c4f-4f30-bc95-47eec790ec92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:to="loc_us-gaap_CommonStockValue_ab3a67b8-7c4f-4f30-bc95-47eec790ec92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_7ced821c-b1cf-414f-bcb1-0adc82128a8a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_7ced821c-b1cf-414f-bcb1-0adc82128a8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_8112b494-b33e-4d7f-9b30-0ba300366679" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_8112b494-b33e-4d7f-9b30-0ba300366679" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1c02a845-2ddf-499d-9f62-5922847bb7af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1c02a845-2ddf-499d-9f62-5922847bb7af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_3d2bfb70-b6c2-45b3-87dd-691b12cd6040" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValue"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:to="loc_us-gaap_TreasuryStockValue_3d2bfb70-b6c2-45b3-87dd-691b12cd6040" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_c93a5460-b266-47d5-9ac8-6ad1873b1b13" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_a61721c2-be43-4d7e-af3e-6ae56d889cf6" xlink:to="loc_us-gaap_StockholdersEquity_c93a5460-b266-47d5-9ac8-6ad1873b1b13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_f4303f7b-9050-4c6f-a222-c5e428023825" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_42889da4-44f2-48e6-bf49-d03df7a1a2dd" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_f4303f7b-9050-4c6f-a222-c5e428023825" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="simple" xlink:href="dgii-20220331.xsd#CondensedConsolidatedBalanceSheetsUnauditedParenthetical"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_5717f7e3-fb66-4be1-adb0-199819432b04" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_5717f7e3-fb66-4be1-adb0-199819432b04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_6a33d341-6f21-4b48-9704-87e6680b080b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_6a33d341-6f21-4b48-9704-87e6680b080b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_4dcfa9ff-0618-4d13-853a-fdbcb0f38183" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_PreferredStockSharesIssued_4dcfa9ff-0618-4d13-853a-fdbcb0f38183" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_b3e88e57-35c4-4678-b390-98f32032506d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_b3e88e57-35c4-4678-b390-98f32032506d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_18aebe82-f2ac-439e-a0b7-e60717967893" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_18aebe82-f2ac-439e-a0b7-e60717967893" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_d63762e0-80c4-4ec5-bc22-2a9d0844c780" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_d63762e0-80c4-4ec5-bc22-2a9d0844c780" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_4091e715-e056-4af2-ab82-963ba197889b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_CommonStockSharesIssued_4091e715-e056-4af2-ab82-963ba197889b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_52d3c362-af8f-49d0-b02f-f1a0ff8ae378" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockShares"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_1e8bcaa4-88a3-412a-9d51-5351ee1cddcd" xlink:to="loc_us-gaap_TreasuryStockShares_52d3c362-af8f-49d0-b02f-f1a0ff8ae378" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="dgii-20220331.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_860d1294-ba18-4cd1-85a9-0aef9cf25fff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_860d1294-ba18-4cd1-85a9-0aef9cf25fff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_e570f127-9b41-43b6-9ffd-d46f34821f92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_860d1294-ba18-4cd1-85a9-0aef9cf25fff" xlink:to="loc_us-gaap_NetIncomeLoss_e570f127-9b41-43b6-9ffd-d46f34821f92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_860d1294-ba18-4cd1-85a9-0aef9cf25fff" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_483d9260-3553-4e03-a0e7-8f5597015e54" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Depreciation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_Depreciation_483d9260-3553-4e03-a0e7-8f5597015e54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_bfa0e055-4b63-4c04-8c3f-65b54a2fd21b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_bfa0e055-4b63-4c04-8c3f-65b54a2fd21b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_6bddf647-d69b-4c21-ba72-a8f49b315329" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_ShareBasedCompensation_6bddf647-d69b-4c21-ba72-a8f49b315329" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_d71e04a6-fb49-4716-9b20-faab036e4b88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_d71e04a6-fb49-4716-9b20-faab036e4b88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_aa2af4ac-7483-47f1-9b34-fbdbee151788" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_aa2af4ac-7483-47f1-9b34-fbdbee151788" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_3f86bf36-b88f-4caa-ac43-978b6e4dc133" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_3f86bf36-b88f-4caa-ac43-978b6e4dc133" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_a0bd8ae6-c8e8-4792-9bb0-e8e607c236a7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_a0bd8ae6-c8e8-4792-9bb0-e8e607c236a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_8825da08-fa1d-4579-bfab-5603a5f67a91" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryWriteDown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_InventoryWriteDown_8825da08-fa1d-4579-bfab-5603a5f67a91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_RestructuringReversalChargeNet_3e51a7f8-e498-478e-8820-faa44166705e" xlink:href="dgii-20220331.xsd#dgii_RestructuringReversalChargeNet"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_dgii_RestructuringReversalChargeNet_3e51a7f8-e498-478e-8820-faa44166705e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_0b30aee4-abba-4cf2-b10b-dc7d46ba7a6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_0b30aee4-abba-4cf2-b10b-dc7d46ba7a6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapital_0947ce1f-94f6-4e48-827c-308c2101bec7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapital"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_c60cb8f9-51c2-446f-84ac-b6bca3abcc4b" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapital_0947ce1f-94f6-4e48-827c-308c2101bec7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_318dfcf3-4bfd-40a4-8b79-69836f2fd782" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_860d1294-ba18-4cd1-85a9-0aef9cf25fff" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_318dfcf3-4bfd-40a4-8b79-69836f2fd782" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_7764a87f-ba71-42c2-81ba-ab2bc811f62a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_7764a87f-ba71-42c2-81ba-ab2bc811f62a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_b8f36980-009d-42ab-a601-5cd9ad78b73d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_7764a87f-ba71-42c2-81ba-ab2bc811f62a" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_b8f36980-009d-42ab-a601-5cd9ad78b73d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_369e927d-8cf2-4a80-a5c8-1c66e21ca5bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_7764a87f-ba71-42c2-81ba-ab2bc811f62a" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_369e927d-8cf2-4a80-a5c8-1c66e21ca5bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079ac355-9bc0-4bb1-83e1-4318bcc87120" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_7764a87f-ba71-42c2-81ba-ab2bc811f62a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079ac355-9bc0-4bb1-83e1-4318bcc87120" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_63c75312-85b5-4846-97e0-9039c524d802" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_63c75312-85b5-4846-97e0-9039c524d802" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_ee5de1cd-e08b-4534-840d-f1bdda369252" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_ee5de1cd-e08b-4534-840d-f1bdda369252" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_2bdb496a-aa3d-49b5-b2d7-6ebde3bc02d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_2bdb496a-aa3d-49b5-b2d7-6ebde3bc02d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_e297d582-bfd8-46d5-8eeb-a0541ccc62f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_e297d582-bfd8-46d5-8eeb-a0541ccc62f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_0c525336-c158-4733-87d7-271c3ef0c0d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_0c525336-c158-4733-87d7-271c3ef0c0d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_74cc881c-2893-4b79-bfd6-cdaf5370d812" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_ProceedsFromStockPlans_74cc881c-2893-4b79-bfd6-cdaf5370d812" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_20acd80e-71a3-469c-b023-acd447136d4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_20acd80e-71a3-469c-b023-acd447136d4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_705b5040-c135-4c28-a04e-decb55382c85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7a699f09-8a4f-4f5c-b4e4-f06d58562ca3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_705b5040-c135-4c28-a04e-decb55382c85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_d466f559-27f7-49c9-9e80-0d02a391a8af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_d466f559-27f7-49c9-9e80-0d02a391a8af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2ed64fc8-5389-48e8-baba-d08ea44cf77b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2ed64fc8-5389-48e8-baba-d08ea44cf77b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9e95842a-d32b-4b1e-b3fd-f5d49255ef8e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9e95842a-d32b-4b1e-b3fd-f5d49255ef8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_cf58e519-9ec9-4ed7-b6b1-8b31fc98ce0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_cf58e519-9ec9-4ed7-b6b1-8b31fc98ce0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_4f8cc1d3-3263-4419-bf4d-5e4b5428f9b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_b1a56c41-ff18-46d5-849b-8188d999ddd4" xlink:to="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_4f8cc1d3-3263-4419-bf4d-5e4b5428f9b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_InventoryTransferToPropertyPlantAndEquipment_4e109e5e-95cc-4ea2-9ac8-eddbddfce9ee" xlink:href="dgii-20220331.xsd#dgii_InventoryTransferToPropertyPlantAndEquipment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_4f8cc1d3-3263-4419-bf4d-5e4b5428f9b3" xlink:to="loc_dgii_InventoryTransferToPropertyPlantAndEquipment_4e109e5e-95cc-4ea2-9ac8-eddbddfce9ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1_339a7da5-cdfd-430b-8149-8bba36eca3e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_4f8cc1d3-3263-4419-bf4d-5e4b5428f9b3" xlink:to="loc_us-gaap_NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1_339a7da5-cdfd-430b-8149-8bba36eca3e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_UsGaap_CapitalizedLeaseholdImprovementsPaidByLessor_83c0002e-092a-474b-9cb2-27bfc19cd6e2" xlink:href="dgii-20220331.xsd#dgii_UsGaap_CapitalizedLeaseholdImprovementsPaidByLessor"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_4f8cc1d3-3263-4419-bf4d-5e4b5428f9b3" xlink:to="loc_dgii_UsGaap_CapitalizedLeaseholdImprovementsPaidByLessor_83c0002e-092a-474b-9cb2-27bfc19cd6e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_0d899fc3-aefd-4fda-87b1-9af97f9dd0f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_4f8cc1d3-3263-4419-bf4d-5e4b5428f9b3" xlink:to="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_0d899fc3-aefd-4fda-87b1-9af97f9dd0f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="simple" xlink:href="dgii-20220331.xsd#CondensedConsolidatedStatementsofStockholdersEquityUnaudited"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_3443d057-e121-49df-acbd-f86702158493" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_26616cfe-bbdf-446c-a892-99a9e9cc61f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_3443d057-e121-49df-acbd-f86702158493" xlink:to="loc_us-gaap_StatementTable_26616cfe-bbdf-446c-a892-99a9e9cc61f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_ecc6b7a8-0223-43cb-8297-4a8da83a63da" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_26616cfe-bbdf-446c-a892-99a9e9cc61f1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_ecc6b7a8-0223-43cb-8297-4a8da83a63da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a6c5b5c7-1039-4adb-82ac-f8205b409bf6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ecc6b7a8-0223-43cb-8297-4a8da83a63da" xlink:to="loc_us-gaap_EquityComponentDomain_a6c5b5c7-1039-4adb-82ac-f8205b409bf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_e367c8c1-6ef7-40ca-8c83-c92cc80e5675" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a6c5b5c7-1039-4adb-82ac-f8205b409bf6" xlink:to="loc_us-gaap_CommonStockMember_e367c8c1-6ef7-40ca-8c83-c92cc80e5675" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_22db8397-c101-4ad5-8bd0-075a990d3254" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a6c5b5c7-1039-4adb-82ac-f8205b409bf6" xlink:to="loc_us-gaap_TreasuryStockMember_22db8397-c101-4ad5-8bd0-075a990d3254" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_7b89002e-e81f-450c-93d8-c188fe44cb8e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a6c5b5c7-1039-4adb-82ac-f8205b409bf6" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_7b89002e-e81f-450c-93d8-c188fe44cb8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_930cffc6-2d17-409e-a545-cfb530595c84" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a6c5b5c7-1039-4adb-82ac-f8205b409bf6" xlink:to="loc_us-gaap_RetainedEarningsMember_930cffc6-2d17-409e-a545-cfb530595c84" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_30fe233d-a0b8-4c08-9b3b-9daa6e9ea4fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a6c5b5c7-1039-4adb-82ac-f8205b409bf6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_30fe233d-a0b8-4c08-9b3b-9daa6e9ea4fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_13d135d3-991c-4e1c-b01e-0990b60c4dc5" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RestatementAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_26616cfe-bbdf-446c-a892-99a9e9cc61f1" xlink:to="loc_srt_RestatementAxis_13d135d3-991c-4e1c-b01e-0990b60c4dc5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_b7a45f0f-58bf-47b6-b846-c00109f3b955" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RestatementDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RestatementAxis_13d135d3-991c-4e1c-b01e-0990b60c4dc5" xlink:to="loc_srt_RestatementDomain_b7a45f0f-58bf-47b6-b846-c00109f3b955" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_98c0e9da-20bd-4df5-b114-8577f346f45f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_26616cfe-bbdf-446c-a892-99a9e9cc61f1" xlink:to="loc_us-gaap_StatementLineItems_98c0e9da-20bd-4df5-b114-8577f346f45f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_98c0e9da-20bd-4df5-b114-8577f346f45f" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_888618a8-8acf-44d0-8483-5c8a7c51bc9c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesIssued"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_SharesIssued_888618a8-8acf-44d0-8483-5c8a7c51bc9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_14cc3198-0559-45d7-9983-b29325b0d02a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockholdersEquity_14cc3198-0559-45d7-9983-b29325b0d02a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_433f6feb-05a8-4310-8f1a-c157ce26689e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_NetIncomeLoss_433f6feb-05a8-4310-8f1a-c157ce26689e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1f0eae5e-ed62-42b1-9094-ca88bcc6ff20" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1f0eae5e-ed62-42b1-9094-ca88bcc6ff20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_9467d781-ad79-480d-8ab2-7802ddacd976" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_9467d781-ad79-480d-8ab2-7802ddacd976" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_e2a1f6ed-b1da-44e2-9aa7-346918a3b44c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_e2a1f6ed-b1da-44e2-9aa7-346918a3b44c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_039c2ed7-50e1-496b-bf30-b73e13cc0483" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_039c2ed7-50e1-496b-bf30-b73e13cc0483" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_6eaef1c4-356c-4f31-8b98-45bc30110dfb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_6eaef1c4-356c-4f31-8b98-45bc30110dfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_938d6604-493a-4a52-bd2a-4b186f47f5cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_938d6604-493a-4a52-bd2a-4b186f47f5cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_779f05e0-a075-494b-9aa3-27fe302c1e4c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_779f05e0-a075-494b-9aa3-27fe302c1e4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_2f103037-95d1-479b-a37a-03b32c24bb1a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_2f103037-95d1-479b-a37a-03b32c24bb1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_b622c45d-cfca-4856-8d33-196fd3dc8966" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_b622c45d-cfca-4856-8d33-196fd3dc8966" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_b5df7fd8-a4b6-44e4-bdf7-55c0900d3870" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_b5df7fd8-a4b6-44e4-bdf7-55c0900d3870" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_e92b71ce-fded-47c8-9fe0-ea000e6dcb68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesIssued"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_SharesIssued_e92b71ce-fded-47c8-9fe0-ea000e6dcb68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_f9a42e9c-d161-4975-b763-09929a6a5e7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_bf03209b-ef3f-419a-b439-2b4500c7be32" xlink:to="loc_us-gaap_StockholdersEquity_f9a42e9c-d161-4975-b763-09929a6a5e7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/BasisofPresentationofUnauditedInterimCondensedConsolidatedFinancialStatementsandSignificantAccountingPolicies" xlink:type="simple" xlink:href="dgii-20220331.xsd#BasisofPresentationofUnauditedInterimCondensedConsolidatedFinancialStatementsandSignificantAccountingPolicies"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/BasisofPresentationofUnauditedInterimCondensedConsolidatedFinancialStatementsandSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_18c68087-bdf4-40f6-8243-95c15417fb37" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_30667985-651d-4838-a623-8836bd7bbb82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_18c68087-bdf4-40f6-8243-95c15417fb37" xlink:to="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_30667985-651d-4838-a623-8836bd7bbb82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/BasisofPresentationofUnauditedInterimCondensedConsolidatedFinancialStatementsandSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="dgii-20220331.xsd#BasisofPresentationofUnauditedInterimCondensedConsolidatedFinancialStatementsandSignificantAccountingPoliciesPolicies"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/BasisofPresentationofUnauditedInterimCondensedConsolidatedFinancialStatementsandSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_41ef121a-0c1b-4744-80b8-7917861231ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_7659a400-6993-4e33-859c-22058d76fd92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_41ef121a-0c1b-4744-80b8-7917861231ff" xlink:to="loc_us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_7659a400-6993-4e33-859c-22058d76fd92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/Acquisitions" xlink:type="simple" xlink:href="dgii-20220331.xsd#Acquisitions"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/Acquisitions" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_8a50d7e4-269d-43fa-a70f-08206f146da0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_bd9d693e-4cea-41e9-b2ab-0738d2b33432" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_8a50d7e4-269d-43fa-a70f-08206f146da0" xlink:to="loc_us-gaap_BusinessCombinationDisclosureTextBlock_bd9d693e-4cea-41e9-b2ab-0738d2b33432" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/AcquisitionsTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#AcquisitionsTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/AcquisitionsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_909c31aa-96c3-4c93-a0c9-b0b53339c66a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_aba4130a-7743-438f-8f47-94cac8024fa2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_909c31aa-96c3-4c93-a0c9-b0b53339c66a" xlink:to="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_aba4130a-7743-438f-8f47-94cac8024fa2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_631ac97f-9f21-4a65-ba97-ac9c69ca4f51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_909c31aa-96c3-4c93-a0c9-b0b53339c66a" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_631ac97f-9f21-4a65-ba97-ac9c69ca4f51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/AcquisitionsDetailsDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#AcquisitionsDetailsDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/AcquisitionsDetailsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_b5d9e69c-8d10-41bd-8552-f9702b90def3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_b5d9e69c-8d10-41bd-8552-f9702b90def3" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_c60d5707-c37c-4ac9-84a5-078b2a15950d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_c60d5707-c37c-4ac9-84a5-078b2a15950d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_05614146-2e92-40f3-b7b5-9b911bf3f5cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_c60d5707-c37c-4ac9-84a5-078b2a15950d" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_05614146-2e92-40f3-b7b5-9b911bf3f5cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_4ce098ae-2939-469f-8785-8e7ac74c2556" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_05614146-2e92-40f3-b7b5-9b911bf3f5cc" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_4ce098ae-2939-469f-8785-8e7ac74c2556" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_OtherCurrentLiabilitiesAndOtherNoncurrentLiabilitiesMember_00082fca-e7e2-4875-818e-723d869bdf61" xlink:href="dgii-20220331.xsd#dgii_OtherCurrentLiabilitiesAndOtherNoncurrentLiabilitiesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_05614146-2e92-40f3-b7b5-9b911bf3f5cc" xlink:to="loc_dgii_OtherCurrentLiabilitiesAndOtherNoncurrentLiabilitiesMember_00082fca-e7e2-4875-818e-723d869bdf61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_222b1637-5269-459b-ae28-27b5c9aa6580" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_222b1637-5269-459b-ae28-27b5c9aa6580" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_06f60443-3533-4b08-af3a-98947c3a571f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_222b1637-5269-459b-ae28-27b5c9aa6580" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_06f60443-3533-4b08-af3a-98947c3a571f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_HaxiotMember_22acf0d8-99dd-4359-96f8-fa68876a85a8" xlink:href="dgii-20220331.xsd#dgii_HaxiotMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_06f60443-3533-4b08-af3a-98947c3a571f" xlink:to="loc_dgii_HaxiotMember_22acf0d8-99dd-4359-96f8-fa68876a85a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_OpengearMember_d6e52dff-e103-408b-b62c-a563b10bc3b0" xlink:href="dgii-20220331.xsd#dgii_OpengearMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_06f60443-3533-4b08-af3a-98947c3a571f" xlink:to="loc_dgii_OpengearMember_d6e52dff-e103-408b-b62c-a563b10bc3b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_VentusMember_4d563e1d-3203-4c07-b767-3a03145c1111" xlink:href="dgii-20220331.xsd#dgii_VentusMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_06f60443-3533-4b08-af3a-98947c3a571f" xlink:to="loc_dgii_VentusMember_4d563e1d-3203-4c07-b767-3a03145c1111" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_cf0e3f17-ed3f-4863-807e-26a27494171a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:to="loc_srt_RangeAxis_cf0e3f17-ed3f-4863-807e-26a27494171a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c4ca96b0-f439-40d1-a06e-d79f1860f06d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_cf0e3f17-ed3f-4863-807e-26a27494171a" xlink:to="loc_srt_RangeMember_c4ca96b0-f439-40d1-a06e-d79f1860f06d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4248ff2b-b50a-4a2a-8f27-c101d673fc42" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_c4ca96b0-f439-40d1-a06e-d79f1860f06d" xlink:to="loc_srt_MaximumMember_4248ff2b-b50a-4a2a-8f27-c101d673fc42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContingentConsiderationByTypeAxis_df634778-d698-4e65-b080-12a996bddfcf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContingentConsiderationByTypeAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:to="loc_us-gaap_ContingentConsiderationByTypeAxis_df634778-d698-4e65-b080-12a996bddfcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContingentConsiderationTypeDomain_b094a495-0b05-4de4-a779-6282a889d0b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContingentConsiderationTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContingentConsiderationByTypeAxis_df634778-d698-4e65-b080-12a996bddfcf" xlink:to="loc_us-gaap_ContingentConsiderationTypeDomain_b094a495-0b05-4de4-a779-6282a889d0b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_fe95f111-5447-4dca-afdb-2325e190fce9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_fe95f111-5447-4dca-afdb-2325e190fce9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_44b576d5-a576-41ac-9d3e-8eb0de6a7634" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_fe95f111-5447-4dca-afdb-2325e190fce9" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_44b576d5-a576-41ac-9d3e-8eb0de6a7634" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_13a0fdc9-33b8-49c2-93d4-0bd8b18d458e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_44b576d5-a576-41ac-9d3e-8eb0de6a7634" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_13a0fdc9-33b8-49c2-93d4-0bd8b18d458e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9a3f4005-ae1a-4492-852d-68ceccd8a85c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9a3f4005-ae1a-4492-852d-68ceccd8a85c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_936b7897-1dd3-4ec1-8c38-81259dd7bb15" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9a3f4005-ae1a-4492-852d-68ceccd8a85c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_936b7897-1dd3-4ec1-8c38-81259dd7bb15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_a6048970-88d2-429e-a638-1429152033ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_936b7897-1dd3-4ec1-8c38-81259dd7bb15" xlink:to="loc_us-gaap_CustomerRelationshipsMember_a6048970-88d2-429e-a638-1429152033ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_6c9257c9-97a9-4cc2-939d-01711799b44b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TrademarksMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_936b7897-1dd3-4ec1-8c38-81259dd7bb15" xlink:to="loc_us-gaap_TrademarksMember_6c9257c9-97a9-4cc2-939d-01711799b44b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_69f412e0-2a1d-4721-af71-1fd4d429f3bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_936b7897-1dd3-4ec1-8c38-81259dd7bb15" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_69f412e0-2a1d-4721-af71-1fd4d429f3bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0af26c16-1946-447e-b5c9-77c50c494ff9" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_bea9c46d-5f4b-4f6d-90e0-1381acd5baa1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_bea9c46d-5f4b-4f6d-90e0-1381acd5baa1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_5d989e72-7231-430f-ab04-a656724e973d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:to="loc_us-gaap_Goodwill_5d989e72-7231-430f-ab04-a656724e973d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_d7a971e8-516e-4418-aa97-70e7762fb068" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_d7a971e8-516e-4418-aa97-70e7762fb068" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_9169d037-6bf0-4d4e-b79c-4d49f55c2dda" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_9169d037-6bf0-4d4e-b79c-4d49f55c2dda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_3e726f41-462a-4f85-b706-0cf2afef57ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_3e726f41-462a-4f85-b706-0cf2afef57ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_e3345861-0df8-41ca-9312-8582eb72d387" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_e3345861-0df8-41ca-9312-8582eb72d387" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_66b6260a-2507-40ef-8f90-d3fe97b7aa50" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_889ed608-da21-4896-b082-468670a23871" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_66b6260a-2507-40ef-8f90-d3fe97b7aa50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/AcquisitionsAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#AcquisitionsAssetsAcquiredandLiabilitiesAssumedDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/AcquisitionsAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_b2e254dc-7674-4dcd-8ba5-0db944d93976" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e2365ddb-32ed-40c4-8a11-4f6912deb522" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_b2e254dc-7674-4dcd-8ba5-0db944d93976" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e2365ddb-32ed-40c4-8a11-4f6912deb522" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_a8f7836d-3b32-434e-aea8-359f0ebb61bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e2365ddb-32ed-40c4-8a11-4f6912deb522" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_a8f7836d-3b32-434e-aea8-359f0ebb61bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_423b3402-97cf-498f-b697-18ed3a34cdf0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_a8f7836d-3b32-434e-aea8-359f0ebb61bf" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_423b3402-97cf-498f-b697-18ed3a34cdf0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_8b35f63b-8bb3-4474-af01-12286b771b96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_423b3402-97cf-498f-b697-18ed3a34cdf0" xlink:to="loc_us-gaap_CustomerRelationshipsMember_8b35f63b-8bb3-4474-af01-12286b771b96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_5747e1e5-c7dd-4fff-b421-0ec98fb89d1a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_423b3402-97cf-498f-b697-18ed3a34cdf0" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_5747e1e5-c7dd-4fff-b421-0ec98fb89d1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_daa02e74-547a-49cc-9cd1-38b9a39d8bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TrademarksMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_423b3402-97cf-498f-b697-18ed3a34cdf0" xlink:to="loc_us-gaap_TrademarksMember_daa02e74-547a-49cc-9cd1-38b9a39d8bb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_ec9b6481-3b2e-4f85-bc2c-49ac6a7abc9e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_423b3402-97cf-498f-b697-18ed3a34cdf0" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_ec9b6481-3b2e-4f85-bc2c-49ac6a7abc9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_eda2e083-f8ef-405a-935c-289f0eb97613" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e2365ddb-32ed-40c4-8a11-4f6912deb522" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_eda2e083-f8ef-405a-935c-289f0eb97613" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_833c298b-f571-42eb-a727-af50aed6a2ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_eda2e083-f8ef-405a-935c-289f0eb97613" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_833c298b-f571-42eb-a727-af50aed6a2ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_OpengearMember_9dec91db-6dd1-4d34-895e-6e00e44ea4a1" xlink:href="dgii-20220331.xsd#dgii_OpengearMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_833c298b-f571-42eb-a727-af50aed6a2ae" xlink:to="loc_dgii_OpengearMember_9dec91db-6dd1-4d34-895e-6e00e44ea4a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_HaxiotMember_14d7eecb-cce4-40e0-ba0a-1e86ad1405e8" xlink:href="dgii-20220331.xsd#dgii_HaxiotMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_833c298b-f571-42eb-a727-af50aed6a2ae" xlink:to="loc_dgii_HaxiotMember_14d7eecb-cce4-40e0-ba0a-1e86ad1405e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_VentusMember_7b9dffad-b8e1-4ef1-9e65-766bd68d3bc0" xlink:href="dgii-20220331.xsd#dgii_VentusMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_833c298b-f571-42eb-a727-af50aed6a2ae" xlink:to="loc_dgii_VentusMember_7b9dffad-b8e1-4ef1-9e65-766bd68d3bc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_1aa7daaa-bb9c-419e-9c2a-0347c1c5a872" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e2365ddb-32ed-40c4-8a11-4f6912deb522" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_1aa7daaa-bb9c-419e-9c2a-0347c1c5a872" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_d08d2a32-c5ab-43de-b0ba-2108d550a152" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1aa7daaa-bb9c-419e-9c2a-0347c1c5a872" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_d08d2a32-c5ab-43de-b0ba-2108d550a152" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_50364bc9-bdcc-4e5f-a7ee-9ce3cef5464e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1aa7daaa-bb9c-419e-9c2a-0347c1c5a872" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_50364bc9-bdcc-4e5f-a7ee-9ce3cef5464e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_a740b35f-f82c-4c34-afcd-bd4c34d88859" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1aa7daaa-bb9c-419e-9c2a-0347c1c5a872" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_a740b35f-f82c-4c34-afcd-bd4c34d88859" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_6c5e8311-382c-49b3-8c40-ae36698751b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1aa7daaa-bb9c-419e-9c2a-0347c1c5a872" xlink:to="loc_us-gaap_Goodwill_6c5e8311-382c-49b3-8c40-ae36698751b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_9f58dd93-db56-45b2-b954-3d5c81cee60d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1aa7daaa-bb9c-419e-9c2a-0347c1c5a872" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_9f58dd93-db56-45b2-b954-3d5c81cee60d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/AcquisitionsSupplementalProFormaInformationDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#AcquisitionsSupplementalProFormaInformationDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/AcquisitionsSupplementalProFormaInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAndAssetAcquisitionAbstract_1474c61b-a22b-4ff0-b410-c398db386e58" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationAndAssetAcquisitionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_59e8fdd6-5d7f-4645-9b58-ec527689d5ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationAndAssetAcquisitionAbstract_1474c61b-a22b-4ff0-b410-c398db386e58" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_59e8fdd6-5d7f-4645-9b58-ec527689d5ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrecurringAdjustmentAxis_301c3628-8eef-4c4b-b0d8-807432c2e414" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonrecurringAdjustmentAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_59e8fdd6-5d7f-4645-9b58-ec527689d5ed" xlink:to="loc_us-gaap_NonrecurringAdjustmentAxis_301c3628-8eef-4c4b-b0d8-807432c2e414" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrecurringAdjustmentDomain_3fac2418-da7a-47ee-9388-36b69c366cb8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonrecurringAdjustmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonrecurringAdjustmentAxis_301c3628-8eef-4c4b-b0d8-807432c2e414" xlink:to="loc_us-gaap_NonrecurringAdjustmentDomain_3fac2418-da7a-47ee-9388-36b69c366cb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_f180574f-dde7-4d8e-aa70-18ee2846d2c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_59e8fdd6-5d7f-4645-9b58-ec527689d5ed" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_f180574f-dde7-4d8e-aa70-18ee2846d2c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_acf45a05-f92e-4d69-b3ab-d4cb8fa6ec96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_f180574f-dde7-4d8e-aa70-18ee2846d2c3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_acf45a05-f92e-4d69-b3ab-d4cb8fa6ec96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_VentusMember_fbb70f4e-b488-488c-8de9-1f809c0bc8da" xlink:href="dgii-20220331.xsd#dgii_VentusMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_acf45a05-f92e-4d69-b3ab-d4cb8fa6ec96" xlink:to="loc_dgii_VentusMember_fbb70f4e-b488-488c-8de9-1f809c0bc8da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_a5f4b496-f629-4c67-bfe3-6840168b8a17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_59e8fdd6-5d7f-4645-9b58-ec527689d5ed" xlink:to="loc_us-gaap_AwardTypeAxis_a5f4b496-f629-4c67-bfe3-6840168b8a17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e765224d-dc7a-4e08-a2c1-8630d2112734" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_a5f4b496-f629-4c67-bfe3-6840168b8a17" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e765224d-dc7a-4e08-a2c1-8630d2112734" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_3cae1ba6-4858-43b4-b0e2-a320f85206d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e765224d-dc7a-4e08-a2c1-8630d2112734" xlink:to="loc_us-gaap_EmployeeStockMember_3cae1ba6-4858-43b4-b0e2-a320f85206d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_677af46e-8f55-492c-9442-de3814843983" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_59e8fdd6-5d7f-4645-9b58-ec527689d5ed" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_677af46e-8f55-492c-9442-de3814843983" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_d509e5ab-667a-4a50-ab9c-c6f3848dd629" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_677af46e-8f55-492c-9442-de3814843983" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_d509e5ab-667a-4a50-ab9c-c6f3848dd629" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_d2468cd4-ae3d-47a2-bffa-b38e4b581519" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_677af46e-8f55-492c-9442-de3814843983" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_d2468cd4-ae3d-47a2-bffa-b38e4b581519" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/EarningsPerShare" xlink:type="simple" xlink:href="dgii-20220331.xsd#EarningsPerShare"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/EarningsPerShare" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_ea5b7bbc-df7b-4b37-ace9-86241647351b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_dc784f5c-0bb2-45c1-8c82-a03d1d634cac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_ea5b7bbc-df7b-4b37-ace9-86241647351b" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_dc784f5c-0bb2-45c1-8c82-a03d1d634cac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/EarningsPerShareTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#EarningsPerShareTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/EarningsPerShareTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_d0eb53b2-93c0-4ac8-8269-d0eb958e4c69" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_fe196b79-8402-4188-8396-1134bc9b4b89" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_d0eb53b2-93c0-4ac8-8269-d0eb958e4c69" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_fe196b79-8402-4188-8396-1134bc9b4b89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#EarningsPerShareDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_446f2472-9b8a-4024-9830-e04068572b17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAbstract_d9b92d93-ee42-4cc8-8fbf-559f744dbf7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_446f2472-9b8a-4024-9830-e04068572b17" xlink:to="loc_us-gaap_NetIncomeLossAbstract_d9b92d93-ee42-4cc8-8fbf-559f744dbf7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_e49736d7-7306-484a-9a3a-4cd051c5be10" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_d9b92d93-ee42-4cc8-8fbf-559f744dbf7d" xlink:to="loc_us-gaap_NetIncomeLoss_e49736d7-7306-484a-9a3a-4cd051c5be10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsAndOtherAdjustmentsAbstract_c19776f7-e8bd-45a8-b529-8087edb6ce62" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustmentsAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_446f2472-9b8a-4024-9830-e04068572b17" xlink:to="loc_us-gaap_PreferredStockDividendsAndOtherAdjustmentsAbstract_c19776f7-e8bd-45a8-b529-8087edb6ce62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_667c6a3f-6d0e-41f9-a543-47e333cc49c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PreferredStockDividendsAndOtherAdjustmentsAbstract_c19776f7-e8bd-45a8-b529-8087edb6ce62" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_667c6a3f-6d0e-41f9-a543-47e333cc49c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3ecf3c0c-563e-48ec-be6d-ae78667efb13" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PreferredStockDividendsAndOtherAdjustmentsAbstract_c19776f7-e8bd-45a8-b529-8087edb6ce62" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3ecf3c0c-563e-48ec-be6d-ae78667efb13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_20636cd9-0a8f-4c40-b429-b538eef0bb6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3ecf3c0c-563e-48ec-be6d-ae78667efb13" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_20636cd9-0a8f-4c40-b429-b538eef0bb6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ff375b32-f6d7-4aeb-bc01-25a6c8faed76" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PreferredStockDividendsAndOtherAdjustmentsAbstract_c19776f7-e8bd-45a8-b529-8087edb6ce62" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ff375b32-f6d7-4aeb-bc01-25a6c8faed76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_fb99808b-fc4d-4ae9-9f06-bb74ed2bd888" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_446f2472-9b8a-4024-9830-e04068572b17" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_fb99808b-fc4d-4ae9-9f06-bb74ed2bd888" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_35f76889-0917-483d-9206-1daca3b021ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_fb99808b-fc4d-4ae9-9f06-bb74ed2bd888" xlink:to="loc_us-gaap_EarningsPerShareBasic_35f76889-0917-483d-9206-1daca3b021ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_57acd89d-7af4-4abd-a8fe-c71ac6c3f9cb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_446f2472-9b8a-4024-9830-e04068572b17" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_57acd89d-7af4-4abd-a8fe-c71ac6c3f9cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_9afaa579-a665-494f-9916-920d690d428c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_57acd89d-7af4-4abd-a8fe-c71ac6c3f9cb" xlink:to="loc_us-gaap_EarningsPerShareDiluted_9afaa579-a665-494f-9916-920d690d428c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_544ec514-3ef0-4e99-8589-fd27c2fe93ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_446f2472-9b8a-4024-9830-e04068572b17" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_544ec514-3ef0-4e99-8589-fd27c2fe93ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SelectedBalanceSheetData" xlink:type="simple" xlink:href="dgii-20220331.xsd#SelectedBalanceSheetData"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SelectedBalanceSheetData" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dgii_SelectedBalanceSheetDataAbstract_bc976b0b-d5bb-4084-86a2-bca3583b75ab" xlink:href="dgii-20220331.xsd#dgii_SelectedBalanceSheetDataAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_6da3764f-e2f0-45ad-9b30-031179390496" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_SelectedBalanceSheetDataAbstract_bc976b0b-d5bb-4084-86a2-bca3583b75ab" xlink:to="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_6da3764f-e2f0-45ad-9b30-031179390496" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SelectedBalanceSheetDataTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#SelectedBalanceSheetDataTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SelectedBalanceSheetDataTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dgii_SelectedBalanceSheetDataAbstract_254bfb03-585d-427b-9dd7-2b8980f60c9a" xlink:href="dgii-20220331.xsd#dgii_SelectedBalanceSheetDataAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_SelectedBalanceSheetDataTableTextBlock_e6a7f5d7-0084-47d4-957c-cb2771f3c86e" xlink:href="dgii-20220331.xsd#dgii_SelectedBalanceSheetDataTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_SelectedBalanceSheetDataAbstract_254bfb03-585d-427b-9dd7-2b8980f60c9a" xlink:to="loc_dgii_SelectedBalanceSheetDataTableTextBlock_e6a7f5d7-0084-47d4-957c-cb2771f3c86e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SelectedBalanceSheetDataDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#SelectedBalanceSheetDataDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SelectedBalanceSheetDataDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dgii_SelectedBalanceSheetDataAbstract_17738d6b-9719-4d07-9da7-b4b9bb96025e" xlink:href="dgii-20220331.xsd#dgii_SelectedBalanceSheetDataAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrentAbstract_77c90afe-515c-42f3-aa4a-f3920a23a192" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_SelectedBalanceSheetDataAbstract_17738d6b-9719-4d07-9da7-b4b9bb96025e" xlink:to="loc_us-gaap_AccountsReceivableNetCurrentAbstract_77c90afe-515c-42f3-aa4a-f3920a23a192" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_8acce83b-c528-46c6-936d-230df2ade0f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_77c90afe-515c-42f3-aa4a-f3920a23a192" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_8acce83b-c528-46c6-936d-230df2ade0f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_b9a9385b-7c0a-462b-91ba-5ef5f010effd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_77c90afe-515c-42f3-aa4a-f3920a23a192" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_b9a9385b-7c0a-462b-91ba-5ef5f010effd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_AllowanceforFutureReturnsandPricingAdjustments_19397ac3-8cd5-44b5-8329-9235784c47b9" xlink:href="dgii-20220331.xsd#dgii_AllowanceforFutureReturnsandPricingAdjustments"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_77c90afe-515c-42f3-aa4a-f3920a23a192" xlink:to="loc_dgii_AllowanceforFutureReturnsandPricingAdjustments_19397ac3-8cd5-44b5-8329-9235784c47b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_fcb4670c-24c5-4bac-8101-db57fce6bf6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_77c90afe-515c-42f3-aa4a-f3920a23a192" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_fcb4670c-24c5-4bac-8101-db57fce6bf6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNetAbstract_9659ecd0-b41d-46b9-af95-f65784189622" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNetAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_SelectedBalanceSheetDataAbstract_17738d6b-9719-4d07-9da7-b4b9bb96025e" xlink:to="loc_us-gaap_InventoryNetAbstract_9659ecd0-b41d-46b9-af95-f65784189622" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_ea373acf-67f9-455a-9b8d-b749c19050a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryRawMaterialsNetOfReserves"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_9659ecd0-b41d-46b9-af95-f65784189622" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_ea373acf-67f9-455a-9b8d-b749c19050a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_869bf792-856b-41ef-91f9-7860372a3b68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_9659ecd0-b41d-46b9-af95-f65784189622" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_869bf792-856b-41ef-91f9-7860372a3b68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_94ae800b-8a66-40e9-8001-35c70e197af5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_9659ecd0-b41d-46b9-af95-f65784189622" xlink:to="loc_us-gaap_InventoryNet_94ae800b-8a66-40e9-8001-35c70e197af5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="dgii-20220331.xsd#FairValueMeasurements"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_e690af4a-0ddd-4f79-9c81-9e9835926626" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_7c729429-2329-4805-8e77-75945c34dbe0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_e690af4a-0ddd-4f79-9c81-9e9835926626" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_7c729429-2329-4805-8e77-75945c34dbe0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#FairValueMeasurementsTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_148a00da-7cbc-4e87-9c1d-fe213790d043" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_35af7495-be88-4bde-8a38-2cf5f5d9a758" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_148a00da-7cbc-4e87-9c1d-fe213790d043" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_35af7495-be88-4bde-8a38-2cf5f5d9a758" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_b0d82892-43f3-4bcc-8a09-1c3d3f9554c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_148a00da-7cbc-4e87-9c1d-fe213790d043" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_b0d82892-43f3-4bcc-8a09-1c3d3f9554c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/FairValueMeasurementsFinancialAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#FairValueMeasurementsFinancialAssetsandLiabilitiesDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/FairValueMeasurementsFinancialAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_0c42b76d-570e-4de0-8013-32a53a3db30c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0c42b76d-570e-4de0-8013-32a53a3db30c" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_c82a3e5d-b061-4210-bd39-8d33784058d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_c82a3e5d-b061-4210-bd39-8d33784058d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_1a5e7039-d66c-4698-9bf4-0f0f6425ca3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_c82a3e5d-b061-4210-bd39-8d33784058d2" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_1a5e7039-d66c-4698-9bf4-0f0f6425ca3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9d149f31-bbbc-4d0f-a792-a8d335aebc23" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_1a5e7039-d66c-4698-9bf4-0f0f6425ca3f" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9d149f31-bbbc-4d0f-a792-a8d335aebc23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_b82140e6-b392-45ee-a77b-17765a0d752f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_1a5e7039-d66c-4698-9bf4-0f0f6425ca3f" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_b82140e6-b392-45ee-a77b-17765a0d752f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_815e16cd-6067-4935-abc1-e3070f2ff1b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_815e16cd-6067-4935-abc1-e3070f2ff1b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_611b0df0-22f6-4fec-a386-0a29ae5f888c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_815e16cd-6067-4935-abc1-e3070f2ff1b3" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_611b0df0-22f6-4fec-a386-0a29ae5f888c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ContingentConsiderationMember_dc925372-ceaa-4abc-a2c2-28fb86dfb4fb" xlink:href="dgii-20220331.xsd#dgii_ContingentConsiderationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_611b0df0-22f6-4fec-a386-0a29ae5f888c" xlink:to="loc_dgii_ContingentConsiderationMember_dc925372-ceaa-4abc-a2c2-28fb86dfb4fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_78ee40b6-ef62-47cb-b602-04da6d8d9baf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_78ee40b6-ef62-47cb-b602-04da6d8d9baf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_88286c8f-741b-4511-ae15-877addf63b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_78ee40b6-ef62-47cb-b602-04da6d8d9baf" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_88286c8f-741b-4511-ae15-877addf63b2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_8d0f8f5f-88a2-4ffc-9284-b9b566f219d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_88286c8f-741b-4511-ae15-877addf63b2d" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_8d0f8f5f-88a2-4ffc-9284-b9b566f219d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_1752ebc8-de7d-4c6d-b8e0-b9eb320369db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_88286c8f-741b-4511-ae15-877addf63b2d" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_1752ebc8-de7d-4c6d-b8e0-b9eb320369db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_87c62b4d-0788-4127-a12a-dc4dd9ec269d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_88286c8f-741b-4511-ae15-877addf63b2d" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_87c62b4d-0788-4127-a12a-dc4dd9ec269d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_12676c79-bd05-4ff5-a9af-9ffbb615a975" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_12676c79-bd05-4ff5-a9af-9ffbb615a975" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_f68f124d-3c43-4911-b734-3983ce99b0df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_12676c79-bd05-4ff5-a9af-9ffbb615a975" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_f68f124d-3c43-4911-b734-3983ce99b0df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_e1042a92-2575-41eb-986c-2a391470648d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_f68f124d-3c43-4911-b734-3983ce99b0df" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_e1042a92-2575-41eb-986c-2a391470648d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_c5c45ef4-fb5d-4a3d-b2ef-59e9c90c5002" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_c5c45ef4-fb5d-4a3d-b2ef-59e9c90c5002" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7e5fe14f-4dd8-454f-823f-f2674a6a7d0c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c5c45ef4-fb5d-4a3d-b2ef-59e9c90c5002" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7e5fe14f-4dd8-454f-823f-f2674a6a7d0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_CtekIncCtekMember_9fa2432c-1752-4fdd-8f71-dffa0f81b04c" xlink:href="dgii-20220331.xsd#dgii_CtekIncCtekMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7e5fe14f-4dd8-454f-823f-f2674a6a7d0c" xlink:to="loc_dgii_CtekIncCtekMember_9fa2432c-1752-4fdd-8f71-dffa0f81b04c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_550ca036-d48e-490a-86c0-07223a74ab83" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3b38d1d4-0c7d-49b5-b555-4f97d9b240df" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_550ca036-d48e-490a-86c0-07223a74ab83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_29c8132a-a5e7-4ff6-9789-6d148155e528" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_550ca036-d48e-490a-86c0-07223a74ab83" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_29c8132a-a5e7-4ff6-9789-6d148155e528" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_da1f9628-862b-4f34-9d32-eb6c6a120217" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_550ca036-d48e-490a-86c0-07223a74ab83" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_da1f9628-862b-4f34-9d32-eb6c6a120217" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_8c770c12-89d1-45df-a2b8-766117eaa623" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_550ca036-d48e-490a-86c0-07223a74ab83" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_8c770c12-89d1-45df-a2b8-766117eaa623" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/FairValueMeasurementsReconciliationofLiabilityDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#FairValueMeasurementsReconciliationofLiabilityDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/FairValueMeasurementsReconciliationofLiabilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_33f3ee33-2884-414f-9f32-4d302c1b0c64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_33f3ee33-2884-414f-9f32-4d302c1b0c64" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2de89adb-f536-42c0-87d0-8b57014e8744" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2de89adb-f536-42c0-87d0-8b57014e8744" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73b56038-8815-48ba-ab22-db1211c0807f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2de89adb-f536-42c0-87d0-8b57014e8744" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73b56038-8815-48ba-ab22-db1211c0807f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_6603f8d1-20e9-46aa-879e-3f5fc3d151d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73b56038-8815-48ba-ab22-db1211c0807f" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_6603f8d1-20e9-46aa-879e-3f5fc3d151d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_5049644e-1083-4484-a652-4987808dc375" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_5049644e-1083-4484-a652-4987808dc375" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_22a48c16-f5b4-4b90-a563-a1f63fbc96e1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_5049644e-1083-4484-a652-4987808dc375" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_22a48c16-f5b4-4b90-a563-a1f63fbc96e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ContingentConsiderationMember_4fedf117-bfd7-43d0-a2f8-d17e5611e84e" xlink:href="dgii-20220331.xsd#dgii_ContingentConsiderationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_22a48c16-f5b4-4b90-a563-a1f63fbc96e1" xlink:to="loc_dgii_ContingentConsiderationMember_4fedf117-bfd7-43d0-a2f8-d17e5611e84e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_217e5766-4623-41f1-8e64-ef12c8de1df9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_217e5766-4623-41f1-8e64-ef12c8de1df9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_68e8ff66-249d-43f2-ad6a-ca26fb76ab54" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_217e5766-4623-41f1-8e64-ef12c8de1df9" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_68e8ff66-249d-43f2-ad6a-ca26fb76ab54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_25b16b41-1473-46ed-bcf1-6068f3ca5dbc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_68e8ff66-249d-43f2-ad6a-ca26fb76ab54" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_25b16b41-1473-46ed-bcf1-6068f3ca5dbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_05f45fee-2628-4543-9fdb-ae08a8d6015e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_25b16b41-1473-46ed-bcf1-6068f3ca5dbc" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_05f45fee-2628-4543-9fdb-ae08a8d6015e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_81e6cd61-50a3-4743-b262-386f4f130ba7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_81e6cd61-50a3-4743-b262-386f4f130ba7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_7a403539-695d-41d0-912e-bab45aa4d0c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_81e6cd61-50a3-4743-b262-386f4f130ba7" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_7a403539-695d-41d0-912e-bab45aa4d0c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_b4d626c1-c93b-4a2e-acb2-784359a22e17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_7a403539-695d-41d0-912e-bab45aa4d0c6" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_b4d626c1-c93b-4a2e-acb2-784359a22e17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_79dd8256-65a1-4a0d-8644-0ccf323c3dcd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_79dd8256-65a1-4a0d-8644-0ccf323c3dcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6f840c70-1794-4f60-a5f8-710ffb9381c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_79dd8256-65a1-4a0d-8644-0ccf323c3dcd" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6f840c70-1794-4f60-a5f8-710ffb9381c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_CtekIncCtekMember_49da7ce9-17be-4c48-b5a5-72b66a327b6c" xlink:href="dgii-20220331.xsd#dgii_CtekIncCtekMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6f840c70-1794-4f60-a5f8-710ffb9381c9" xlink:to="loc_dgii_CtekIncCtekMember_49da7ce9-17be-4c48-b5a5-72b66a327b6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e7708297-8f0c-4ea7-ad20-9f798173dbd0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_91c558ae-4a4b-4894-a2cf-0184b6cbc2ee" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e7708297-8f0c-4ea7-ad20-9f798173dbd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_3c95d7ba-0156-49e6-92b7-e397550ea29d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e7708297-8f0c-4ea7-ad20-9f798173dbd0" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_3c95d7ba-0156-49e6-92b7-e397550ea29d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_bc88b20f-232a-4c1e-9716-be51e2b00af3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_3c95d7ba-0156-49e6-92b7-e397550ea29d" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_bc88b20f-232a-4c1e-9716-be51e2b00af3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_4f37e2b5-e903-4052-8efb-d11726d3c8bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_3c95d7ba-0156-49e6-92b7-e397550ea29d" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_4f37e2b5-e903-4052-8efb-d11726d3c8bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_7da583d2-4d9b-4b26-9348-bb17a05683a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_3c95d7ba-0156-49e6-92b7-e397550ea29d" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_7da583d2-4d9b-4b26-9348-bb17a05683a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_fe40a2ac-71c1-4738-b751-a4435078d9a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_3c95d7ba-0156-49e6-92b7-e397550ea29d" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_fe40a2ac-71c1-4738-b751-a4435078d9a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_cdd8bb02-699e-4146-a765-bedeed00830c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_3c95d7ba-0156-49e6-92b7-e397550ea29d" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_cdd8bb02-699e-4146-a765-bedeed00830c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#FairValueMeasurementsDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_4c55d71b-bed0-46cf-9729-bf9407f15882" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_4c55d71b-bed0-46cf-9729-bf9407f15882" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_5a5dc76b-af2c-4f6d-9555-264c9476f417" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_5a5dc76b-af2c-4f6d-9555-264c9476f417" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_69ecce1f-70c5-4481-9d3e-9a30520aa84d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_5a5dc76b-af2c-4f6d-9555-264c9476f417" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_69ecce1f-70c5-4481-9d3e-9a30520aa84d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_74ad501f-e82c-4523-b28c-6593ff18efe2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_69ecce1f-70c5-4481-9d3e-9a30520aa84d" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_74ad501f-e82c-4523-b28c-6593ff18efe2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_f049500e-b8d5-4f11-b383-6be4e93f6b1d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_69ecce1f-70c5-4481-9d3e-9a30520aa84d" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_f049500e-b8d5-4f11-b383-6be4e93f6b1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_4642f09b-5838-49e1-b1e1-c931a4325332" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_4642f09b-5838-49e1-b1e1-c931a4325332" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6e1fa0af-482f-4751-8013-1debe197ad80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_4642f09b-5838-49e1-b1e1-c931a4325332" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6e1fa0af-482f-4751-8013-1debe197ad80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_OpengearMember_8ce51bd5-a1ff-4299-95d1-be0642c722bd" xlink:href="dgii-20220331.xsd#dgii_OpengearMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6e1fa0af-482f-4751-8013-1debe197ad80" xlink:to="loc_dgii_OpengearMember_8ce51bd5-a1ff-4299-95d1-be0642c722bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_HaxiotMember_ce182c01-3637-45d3-92b9-01f7bbca9b49" xlink:href="dgii-20220331.xsd#dgii_HaxiotMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6e1fa0af-482f-4751-8013-1debe197ad80" xlink:to="loc_dgii_HaxiotMember_ce182c01-3637-45d3-92b9-01f7bbca9b49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_6816a5d7-d923-4728-a42f-627fa5534059" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_6816a5d7-d923-4728-a42f-627fa5534059" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_dc401256-710e-4e2e-ab61-0e4666f30834" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_6816a5d7-d923-4728-a42f-627fa5534059" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_dc401256-710e-4e2e-ab61-0e4666f30834" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ContingentConsiderationMember_10bb81c6-7e24-4be4-89f0-4244dbe135b9" xlink:href="dgii-20220331.xsd#dgii_ContingentConsiderationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_dc401256-710e-4e2e-ab61-0e4666f30834" xlink:to="loc_dgii_ContingentConsiderationMember_10bb81c6-7e24-4be4-89f0-4244dbe135b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_75cb1218-336f-42b9-b797-ae0cb55564dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_75cb1218-336f-42b9-b797-ae0cb55564dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_94713171-764e-4871-963c-a8a92c635d07" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_75cb1218-336f-42b9-b797-ae0cb55564dd" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_94713171-764e-4871-963c-a8a92c635d07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_f2af8017-2638-41ed-9200-f014d2fe1683" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_94713171-764e-4871-963c-a8a92c635d07" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_f2af8017-2638-41ed-9200-f014d2fe1683" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_54bfb40c-7817-49f1-9668-c4f9bf33684d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_54bfb40c-7817-49f1-9668-c4f9bf33684d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1314e076-352f-47ab-b6d2-602315c0f13b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_54bfb40c-7817-49f1-9668-c4f9bf33684d" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1314e076-352f-47ab-b6d2-602315c0f13b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_19deeacc-34e0-4e75-8c9d-b22d58c69abe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1314e076-352f-47ab-b6d2-602315c0f13b" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_19deeacc-34e0-4e75-8c9d-b22d58c69abe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_ba0cc5e0-c933-453b-9066-048693334726" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1314e076-352f-47ab-b6d2-602315c0f13b" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_ba0cc5e0-c933-453b-9066-048693334726" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_b9f9ea21-a1b4-4190-86b9-3954368f3032" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1314e076-352f-47ab-b6d2-602315c0f13b" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_b9f9ea21-a1b4-4190-86b9-3954368f3032" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_31abccbe-4e77-488c-85d6-1507eb5f2e69" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:to="loc_srt_RangeAxis_31abccbe-4e77-488c-85d6-1507eb5f2e69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_fbf10b0c-9083-4ef6-ab45-d4342d5b14d1" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_31abccbe-4e77-488c-85d6-1507eb5f2e69" xlink:to="loc_srt_RangeMember_fbf10b0c-9083-4ef6-ab45-d4342d5b14d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_3dc034bb-8476-42d3-96c0-acc81ed95f79" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_fbf10b0c-9083-4ef6-ab45-d4342d5b14d1" xlink:to="loc_srt_MaximumMember_3dc034bb-8476-42d3-96c0-acc81ed95f79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_68ffdae4-6d99-4ef5-8e55-79a241a703d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_b794babc-0509-4775-9910-76e4ae0ff0e6" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_68ffdae4-6d99-4ef5-8e55-79a241a703d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_b1f8fb0b-9634-4903-a1b9-dca68e81f4be" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_68ffdae4-6d99-4ef5-8e55-79a241a703d3" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_b1f8fb0b-9634-4903-a1b9-dca68e81f4be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_12ac6834-a6aa-4dcf-9c7d-566b1b75c1a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_68ffdae4-6d99-4ef5-8e55-79a241a703d3" xlink:to="loc_us-gaap_Goodwill_12ac6834-a6aa-4dcf-9c7d-566b1b75c1a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_f3a9bdd9-286e-4aa8-bb29-d26406de5915" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_68ffdae4-6d99-4ef5-8e55-79a241a703d3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_f3a9bdd9-286e-4aa8-bb29-d26406de5915" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNet" xlink:type="simple" xlink:href="dgii-20220331.xsd#GoodwillandOtherIdentifiableIntangibleAssetsNet"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNet" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_368e2347-72db-4616-83f2-5996ab7234bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_49878cf9-7bbb-43b8-b14f-1a7e3664441f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_368e2347-72db-4616-83f2-5996ab7234bb" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_49878cf9-7bbb-43b8-b14f-1a7e3664441f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#GoodwillandOtherIdentifiableIntangibleAssetsNetTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_9d7a7a4a-9230-44bb-b1af-9dbfede47094" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_983130b0-fac3-45ee-859f-eefe6cc4cec9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_9d7a7a4a-9230-44bb-b1af-9dbfede47094" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_983130b0-fac3-45ee-859f-eefe6cc4cec9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_3324492a-2fa9-451a-a188-c87f000ca41f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_9d7a7a4a-9230-44bb-b1af-9dbfede47094" xlink:to="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_3324492a-2fa9-451a-a188-c87f000ca41f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_ee4ca12f-1c90-4411-add9-a02915fdc4e1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_9d7a7a4a-9230-44bb-b1af-9dbfede47094" xlink:to="loc_us-gaap_ScheduleOfGoodwillTextBlock_ee4ca12f-1c90-4411-add9-a02915fdc4e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#GoodwillandOtherIdentifiableIntangibleAssetsNetDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4b0ec72e-d720-40da-ae36-6f74f9ee75a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_fda37cbf-b3c9-4361-bbf4-856d7c2b1cc3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4b0ec72e-d720-40da-ae36-6f74f9ee75a4" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_fda37cbf-b3c9-4361-bbf4-856d7c2b1cc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_fb5eb564-3b36-4d2f-9cf9-1995eab28537" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_fda37cbf-b3c9-4361-bbf4-856d7c2b1cc3" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_fb5eb564-3b36-4d2f-9cf9-1995eab28537" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_3fb94f9a-020a-4aa9-a9c7-e3ef912ea2bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_fb5eb564-3b36-4d2f-9cf9-1995eab28537" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_3fb94f9a-020a-4aa9-a9c7-e3ef912ea2bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_CostofSalesandGeneralandAdministrativeExpenseMember_4afefe8f-1d40-4320-8673-c91d3abd8c30" xlink:href="dgii-20220331.xsd#dgii_CostofSalesandGeneralandAdministrativeExpenseMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_3fb94f9a-020a-4aa9-a9c7-e3ef912ea2bd" xlink:to="loc_dgii_CostofSalesandGeneralandAdministrativeExpenseMember_4afefe8f-1d40-4320-8673-c91d3abd8c30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3e4509c2-a51a-4c36-b747-d18814d1c41a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_fda37cbf-b3c9-4361-bbf4-856d7c2b1cc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3e4509c2-a51a-4c36-b747-d18814d1c41a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3e4509c2-a51a-4c36-b747-d18814d1c41a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_fc36f242-0af8-44d0-ab1b-1e336a44f947" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_fc36f242-0af8-44d0-ab1b-1e336a44f947" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicensingAgreementsMember_e878fc46-68a0-404d-b9c7-3c87b6ed6403" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LicensingAgreementsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:to="loc_us-gaap_LicensingAgreementsMember_e878fc46-68a0-404d-b9c7-3c87b6ed6403" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntellectualPropertyMember_c3962221-64f9-437f-b03a-1f8464c6c62c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntellectualPropertyMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:to="loc_us-gaap_IntellectualPropertyMember_c3962221-64f9-437f-b03a-1f8464c6c62c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_aa2767f7-01c8-414a-b7a7-057e9d26e768" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:to="loc_us-gaap_CustomerRelationshipsMember_aa2767f7-01c8-414a-b7a7-057e9d26e768" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_2503f81e-8d0b-4d43-bb7f-42745d685ab7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncompeteAgreementsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_2503f81e-8d0b-4d43-bb7f-42745d685ab7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_fab86c20-e2d7-400f-8458-beb5eaab212f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrderOrProductionBacklogMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aca07994-3080-49fc-9aa1-9fd321b87a49" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_fab86c20-e2d7-400f-8458-beb5eaab212f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_cea757e9-3991-4be5-ae60-3a946e0bceab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_fda37cbf-b3c9-4361-bbf4-856d7c2b1cc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_cea757e9-3991-4be5-ae60-3a946e0bceab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_38a3375c-03e2-42e7-b71f-1d6fbf14b629" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_cea757e9-3991-4be5-ae60-3a946e0bceab" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_38a3375c-03e2-42e7-b71f-1d6fbf14b629" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_b75b355f-da05-46eb-b35c-fb1d14cdb9ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_cea757e9-3991-4be5-ae60-3a946e0bceab" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_b75b355f-da05-46eb-b35c-fb1d14cdb9ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_56673941-6295-49df-925d-762aa9e87a05" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_cea757e9-3991-4be5-ae60-3a946e0bceab" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_56673941-6295-49df-925d-762aa9e87a05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_5c2a151f-23a3-47b9-b379-259c230afcd8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_cea757e9-3991-4be5-ae60-3a946e0bceab" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_5c2a151f-23a3-47b9-b379-259c230afcd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_4a241c89-d1e1-4d10-814d-ec46c082bd5f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_cea757e9-3991-4be5-ae60-3a946e0bceab" xlink:to="loc_us-gaap_Goodwill_4a241c89-d1e1-4d10-814d-ec46c082bd5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetAdditionalInformationDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#GoodwillandOtherIdentifiableIntangibleAssetsNetAdditionalInformationDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_20abfc37-1f49-4e56-bccf-f38925493125" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_70f06da8-0512-4d14-9d80-093470218ffb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_20abfc37-1f49-4e56-bccf-f38925493125" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_70f06da8-0512-4d14-9d80-093470218ffb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_746aef5e-e6a8-4c62-849c-d5d81e245ffc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_70f06da8-0512-4d14-9d80-093470218ffb" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_746aef5e-e6a8-4c62-849c-d5d81e245ffc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_2f18a17c-bfd9-4a1f-ac7d-244d2a92cbb2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_746aef5e-e6a8-4c62-849c-d5d81e245ffc" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_2f18a17c-bfd9-4a1f-ac7d-244d2a92cbb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputControlPremiumMember_33e8ed25-0209-4723-b17c-5cff31bfbe24" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputControlPremiumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_2f18a17c-bfd9-4a1f-ac7d-244d2a92cbb2" xlink:to="loc_us-gaap_MeasurementInputControlPremiumMember_33e8ed25-0209-4723-b17c-5cff31bfbe24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_fcd29aed-ffbe-47a4-9e72-2503e0656259" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_70f06da8-0512-4d14-9d80-093470218ffb" xlink:to="loc_srt_RangeAxis_fcd29aed-ffbe-47a4-9e72-2503e0656259" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d8055b24-b68a-41ca-b234-cf92e43e6a2e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_fcd29aed-ffbe-47a4-9e72-2503e0656259" xlink:to="loc_srt_RangeMember_d8055b24-b68a-41ca-b234-cf92e43e6a2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_d263d454-c8c0-46b8-8ab4-438dd16b48e3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_d8055b24-b68a-41ca-b234-cf92e43e6a2e" xlink:to="loc_srt_MinimumMember_d263d454-c8c0-46b8-8ab4-438dd16b48e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_ea10db30-bc5b-4ec9-9ac7-a90e44dbd091" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_d8055b24-b68a-41ca-b234-cf92e43e6a2e" xlink:to="loc_srt_MaximumMember_ea10db30-bc5b-4ec9-9ac7-a90e44dbd091" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9ad77b60-58bf-4dfa-8ea8-4f6be60a1b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_70f06da8-0512-4d14-9d80-093470218ffb" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9ad77b60-58bf-4dfa-8ea8-4f6be60a1b0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_77d5e6eb-496a-4a93-b639-a40413c174cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9ad77b60-58bf-4dfa-8ea8-4f6be60a1b0d" xlink:to="loc_us-gaap_SegmentDomain_77d5e6eb-496a-4a93-b639-a40413c174cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTProductsandServicesMember_b5efc0f4-b754-4708-acfe-0dd90aae942c" xlink:href="dgii-20220331.xsd#dgii_IoTProductsandServicesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_77d5e6eb-496a-4a93-b639-a40413c174cd" xlink:to="loc_dgii_IoTProductsandServicesMember_b5efc0f4-b754-4708-acfe-0dd90aae942c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTSolutionsMember_59c8621d-1386-4cbb-8f92-f1181b4a52e0" xlink:href="dgii-20220331.xsd#dgii_IoTSolutionsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_77d5e6eb-496a-4a93-b639-a40413c174cd" xlink:to="loc_dgii_IoTSolutionsMember_59c8621d-1386-4cbb-8f92-f1181b4a52e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReportingUnitAxis_0cbd1980-4d6f-487f-b534-edfe15f21541" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReportingUnitAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_70f06da8-0512-4d14-9d80-093470218ffb" xlink:to="loc_us-gaap_ReportingUnitAxis_0cbd1980-4d6f-487f-b534-edfe15f21541" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReportingUnitDomain_73b14355-5b9c-450a-84ae-7d2dc576b44e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReportingUnitDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReportingUnitAxis_0cbd1980-4d6f-487f-b534-edfe15f21541" xlink:to="loc_us-gaap_ReportingUnitDomain_73b14355-5b9c-450a-84ae-7d2dc576b44e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_EnterpriseRoutersMember_0d14069e-d29d-4724-8fdc-9313f92f6520" xlink:href="dgii-20220331.xsd#dgii_EnterpriseRoutersMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReportingUnitDomain_73b14355-5b9c-450a-84ae-7d2dc576b44e" xlink:to="loc_dgii_EnterpriseRoutersMember_0d14069e-d29d-4724-8fdc-9313f92f6520" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ConsoleServersMember_8cea5e35-12f5-436b-8596-5bb9993e1b29" xlink:href="dgii-20220331.xsd#dgii_ConsoleServersMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReportingUnitDomain_73b14355-5b9c-450a-84ae-7d2dc576b44e" xlink:to="loc_dgii_ConsoleServersMember_8cea5e35-12f5-436b-8596-5bb9993e1b29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_OEMSolutionsMember_554a8da5-0721-4d72-8d2d-e8afa543c905" xlink:href="dgii-20220331.xsd#dgii_OEMSolutionsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReportingUnitDomain_73b14355-5b9c-450a-84ae-7d2dc576b44e" xlink:to="loc_dgii_OEMSolutionsMember_554a8da5-0721-4d72-8d2d-e8afa543c905" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_InfrastructureMgmtMember_50756d4d-416c-4067-8a43-d0d760961c20" xlink:href="dgii-20220331.xsd#dgii_InfrastructureMgmtMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReportingUnitDomain_73b14355-5b9c-450a-84ae-7d2dc576b44e" xlink:to="loc_dgii_InfrastructureMgmtMember_50756d4d-416c-4067-8a43-d0d760961c20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTSolutionsMember_404da0ad-4bd5-49cb-aed2-5b6316d0bf9a" xlink:href="dgii-20220331.xsd#dgii_IoTSolutionsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReportingUnitDomain_73b14355-5b9c-450a-84ae-7d2dc576b44e" xlink:to="loc_dgii_IoTSolutionsMember_404da0ad-4bd5-49cb-aed2-5b6316d0bf9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_d0e26e3b-afe1-44f9-b1db-355dc98a411f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_70f06da8-0512-4d14-9d80-093470218ffb" xlink:to="loc_us-gaap_GoodwillLineItems_d0e26e3b-afe1-44f9-b1db-355dc98a411f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_8f4ad272-5659-4ebf-bf6a-0465147184ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_d0e26e3b-afe1-44f9-b1db-355dc98a411f" xlink:to="loc_us-gaap_NumberOfReportableSegments_8f4ad272-5659-4ebf-bf6a-0465147184ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_f2abc4e3-ae1c-4ac8-9b57-708aa580eb12" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_d0e26e3b-afe1-44f9-b1db-355dc98a411f" xlink:to="loc_us-gaap_Goodwill_f2abc4e3-ae1c-4ac8-9b57-708aa580eb12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_MarketCapitalization_3f3783b7-e080-4c4e-8232-f7942971ac81" xlink:href="dgii-20220331.xsd#dgii_MarketCapitalization"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_d0e26e3b-afe1-44f9-b1db-355dc98a411f" xlink:to="loc_dgii_MarketCapitalization_3f3783b7-e080-4c4e-8232-f7942971ac81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_GoodwillValuationImpliedControlPremium_88ae5b14-2a87-4750-8fcf-2d284f0bba93" xlink:href="dgii-20220331.xsd#dgii_GoodwillValuationImpliedControlPremium"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_d0e26e3b-afe1-44f9-b1db-355dc98a411f" xlink:to="loc_dgii_GoodwillValuationImpliedControlPremium_88ae5b14-2a87-4750-8fcf-2d284f0bba93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetAmortizationExpenseDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#GoodwillandOtherIdentifiableIntangibleAssetsNetAmortizationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bba99678-6271-4ccf-af78-259e9cc76e58" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_084fd183-3bd0-48f6-85d9-6b6c4f012198" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bba99678-6271-4ccf-af78-259e9cc76e58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_084fd183-3bd0-48f6-85d9-6b6c4f012198" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_cbcd1eb8-832a-43c8-980c-298e2018fbbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bba99678-6271-4ccf-af78-259e9cc76e58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_cbcd1eb8-832a-43c8-980c-298e2018fbbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0e927c1c-7084-4465-811a-db0bbf0dbe30" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bba99678-6271-4ccf-af78-259e9cc76e58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0e927c1c-7084-4465-811a-db0bbf0dbe30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_ef2cc03d-9bb0-43f7-a754-5d3a2ca8036f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bba99678-6271-4ccf-af78-259e9cc76e58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_ef2cc03d-9bb0-43f7-a754-5d3a2ca8036f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7824f1c0-2d74-4d0b-ba23-35dac02c8808" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bba99678-6271-4ccf-af78-259e9cc76e58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7824f1c0-2d74-4d0b-ba23-35dac02c8808" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_cdda2a16-804e-414c-b585-6274ca333757" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bba99678-6271-4ccf-af78-259e9cc76e58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_cdda2a16-804e-414c-b585-6274ca333757" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetGoodwillRollforwardDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#GoodwillandOtherIdentifiableIntangibleAssetsNetGoodwillRollforwardDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/GoodwillandOtherIdentifiableIntangibleAssetsNetGoodwillRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_ef7337e1-2898-496e-8312-2a653aefdaf1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_ab7ae8fd-7aae-43ec-8d9f-e18a2d04ea10" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_ef7337e1-2898-496e-8312-2a653aefdaf1" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_ab7ae8fd-7aae-43ec-8d9f-e18a2d04ea10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_f2c831d1-9809-4c50-b3e8-28be341440c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_ab7ae8fd-7aae-43ec-8d9f-e18a2d04ea10" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_f2c831d1-9809-4c50-b3e8-28be341440c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_f857a920-3520-4c43-96f7-1f58790173bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_f2c831d1-9809-4c50-b3e8-28be341440c0" xlink:to="loc_us-gaap_SegmentDomain_f857a920-3520-4c43-96f7-1f58790173bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTProductsandServicesMember_1ccd8a8a-596e-4118-8bcc-63cd68d87b31" xlink:href="dgii-20220331.xsd#dgii_IoTProductsandServicesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_f857a920-3520-4c43-96f7-1f58790173bf" xlink:to="loc_dgii_IoTProductsandServicesMember_1ccd8a8a-596e-4118-8bcc-63cd68d87b31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTSolutionsMember_ce138845-b770-4fce-b0db-d51052be898d" xlink:href="dgii-20220331.xsd#dgii_IoTSolutionsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_f857a920-3520-4c43-96f7-1f58790173bf" xlink:to="loc_dgii_IoTSolutionsMember_ce138845-b770-4fce-b0db-d51052be898d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_579d0d75-988f-49d6-8e8a-1e785d4ba3eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_ab7ae8fd-7aae-43ec-8d9f-e18a2d04ea10" xlink:to="loc_us-gaap_GoodwillLineItems_579d0d75-988f-49d6-8e8a-1e785d4ba3eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_1066a1a5-aee8-469e-8877-88fa66c6e4a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_579d0d75-988f-49d6-8e8a-1e785d4ba3eb" xlink:to="loc_us-gaap_GoodwillRollForward_1066a1a5-aee8-469e-8877-88fa66c6e4a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_4a933b00-a3cb-4f0f-b309-56c3a791a40c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_1066a1a5-aee8-469e-8877-88fa66c6e4a8" xlink:to="loc_us-gaap_Goodwill_4a933b00-a3cb-4f0f-b309-56c3a791a40c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_4bd7a931-6f04-4d0f-9a16-3b46280329ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_1066a1a5-aee8-469e-8877-88fa66c6e4a8" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_4bd7a931-6f04-4d0f-9a16-3b46280329ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_0cb37e0d-7caf-4bf7-a06e-0b4602227fe4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_1066a1a5-aee8-469e-8877-88fa66c6e4a8" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_0cb37e0d-7caf-4bf7-a06e-0b4602227fe4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_5ce77a8a-1055-4b19-9dfb-576088024d7a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_1066a1a5-aee8-469e-8877-88fa66c6e4a8" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_5ce77a8a-1055-4b19-9dfb-576088024d7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_d067dbd1-c3b6-44aa-8c7f-f694c08d32bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_1066a1a5-aee8-469e-8877-88fa66c6e4a8" xlink:to="loc_us-gaap_Goodwill_d067dbd1-c3b6-44aa-8c7f-f694c08d32bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/Indebtedness" xlink:type="simple" xlink:href="dgii-20220331.xsd#Indebtedness"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/Indebtedness" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_87cd9bee-ca14-40a5-bf0f-2e6a11a263a9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_b9553427-4232-4969-97d1-5182c4acb581" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_87cd9bee-ca14-40a5-bf0f-2e6a11a263a9" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_b9553427-4232-4969-97d1-5182c4acb581" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/IndebtednessTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#IndebtednessTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IndebtednessTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_bb68e18a-af20-4fa0-aaeb-0b2807ccac4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtTableTextBlock_27112431-dd03-4b19-946e-298abde795f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_bb68e18a-af20-4fa0-aaeb-0b2807ccac4e" xlink:to="loc_us-gaap_ScheduleOfDebtTableTextBlock_27112431-dd03-4b19-946e-298abde795f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_18821079-833f-413a-9c5a-2ef9c80275ba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_bb68e18a-af20-4fa0-aaeb-0b2807ccac4e" xlink:to="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_18821079-833f-413a-9c5a-2ef9c80275ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/IndebtednessNarrativeDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#IndebtednessNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IndebtednessNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_97fd0626-8174-42e9-9c21-74b8358bc1c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_97fd0626-8174-42e9-9c21-74b8358bc1c9" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_f7aecfa4-a6b9-486c-9625-0f2bdad4eab2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:to="loc_us-gaap_CreditFacilityAxis_f7aecfa4-a6b9-486c-9625-0f2bdad4eab2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_08167a35-d71a-442e-a1d1-6e0aa02dbebd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_f7aecfa4-a6b9-486c-9625-0f2bdad4eab2" xlink:to="loc_us-gaap_CreditFacilityDomain_08167a35-d71a-442e-a1d1-6e0aa02dbebd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_dc63af13-5b19-4a2c-984f-88c72f0010d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuredDebtMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_08167a35-d71a-442e-a1d1-6e0aa02dbebd" xlink:to="loc_us-gaap_SecuredDebtMember_dc63af13-5b19-4a2c-984f-88c72f0010d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_34cd1913-7aae-4c7b-8184-e32e362b9de7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_08167a35-d71a-442e-a1d1-6e0aa02dbebd" xlink:to="loc_us-gaap_UnsecuredDebtMember_34cd1913-7aae-4c7b-8184-e32e362b9de7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_3c2ab603-470b-44f8-b1bf-bf57f0723755" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_08167a35-d71a-442e-a1d1-6e0aa02dbebd" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_3c2ab603-470b-44f8-b1bf-bf57f0723755" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_726d4c2b-3635-4e8f-8ff6-6f79b9cdcc72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LetterOfCreditMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_08167a35-d71a-442e-a1d1-6e0aa02dbebd" xlink:to="loc_us-gaap_LetterOfCreditMember_726d4c2b-3635-4e8f-8ff6-6f79b9cdcc72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_SwinglineCreditFacilityMember_af6b1732-a95a-46a8-8d6a-9d7ff6c9a4cc" xlink:href="dgii-20220331.xsd#dgii_SwinglineCreditFacilityMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_08167a35-d71a-442e-a1d1-6e0aa02dbebd" xlink:to="loc_dgii_SwinglineCreditFacilityMember_af6b1732-a95a-46a8-8d6a-9d7ff6c9a4cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_2b8655fa-a4d2-4fa3-ba03-97dfa75ea426" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:to="loc_us-gaap_VariableRateAxis_2b8655fa-a4d2-4fa3-ba03-97dfa75ea426" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_636350b8-ef15-4e22-b569-5ed62abae988" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_2b8655fa-a4d2-4fa3-ba03-97dfa75ea426" xlink:to="loc_us-gaap_VariableRateDomain_636350b8-ef15-4e22-b569-5ed62abae988" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_b39c03c7-e8b6-4d6b-b7aa-8a6aeb0569e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_636350b8-ef15-4e22-b569-5ed62abae988" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_b39c03c7-e8b6-4d6b-b7aa-8a6aeb0569e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_3cbdf6f0-34f6-4788-8a93-b1c4af2c0ea4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BaseRateMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_636350b8-ef15-4e22-b569-5ed62abae988" xlink:to="loc_us-gaap_BaseRateMember_3cbdf6f0-34f6-4788-8a93-b1c4af2c0ea4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_f7b51599-256c-4566-afb5-0b227187a749" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:to="loc_srt_RangeAxis_f7b51599-256c-4566-afb5-0b227187a749" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_615b25b9-e804-4ec4-a0db-5290fc473e71" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_f7b51599-256c-4566-afb5-0b227187a749" xlink:to="loc_srt_RangeMember_615b25b9-e804-4ec4-a0db-5290fc473e71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_3e87ddcd-70ec-4b93-bf95-d1e8fc795567" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_615b25b9-e804-4ec4-a0db-5290fc473e71" xlink:to="loc_srt_MinimumMember_3e87ddcd-70ec-4b93-bf95-d1e8fc795567" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_0d953262-62a6-4b9c-bf59-9a9c56346d14" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_615b25b9-e804-4ec4-a0db-5290fc473e71" xlink:to="loc_srt_MaximumMember_0d953262-62a6-4b9c-bf59-9a9c56346d14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_BaseRateElectionAxis_3647622f-d927-48b5-971a-a71b954a1dfa" xlink:href="dgii-20220331.xsd#dgii_BaseRateElectionAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:to="loc_dgii_BaseRateElectionAxis_3647622f-d927-48b5-971a-a71b954a1dfa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_BaseRateElectionDomain_391b4228-edaf-412f-b9ca-d855b2f93c57" xlink:href="dgii-20220331.xsd#dgii_BaseRateElectionDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_BaseRateElectionAxis_3647622f-d927-48b5-971a-a71b954a1dfa" xlink:to="loc_dgii_BaseRateElectionDomain_391b4228-edaf-412f-b9ca-d855b2f93c57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_FederalFundsRateMember_4ad51567-1e5f-4585-8e75-f98c35e2cae7" xlink:href="dgii-20220331.xsd#dgii_FederalFundsRateMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_BaseRateElectionDomain_391b4228-edaf-412f-b9ca-d855b2f93c57" xlink:to="loc_dgii_FederalFundsRateMember_4ad51567-1e5f-4585-8e75-f98c35e2cae7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_LIBORMember_53641790-6325-41a3-9793-10d0800bcc2a" xlink:href="dgii-20220331.xsd#dgii_LIBORMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_BaseRateElectionDomain_391b4228-edaf-412f-b9ca-d855b2f93c57" xlink:to="loc_dgii_LIBORMember_53641790-6325-41a3-9793-10d0800bcc2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_CreditAgreementAxis_6bfa5145-5c19-429b-9123-20d3dbee67b0" xlink:href="dgii-20220331.xsd#dgii_CreditAgreementAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:to="loc_dgii_CreditAgreementAxis_6bfa5145-5c19-429b-9123-20d3dbee67b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_CreditAgreementDomain_626de6c3-26e4-49f6-bcab-9ba362fea2fe" xlink:href="dgii-20220331.xsd#dgii_CreditAgreementDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_CreditAgreementAxis_6bfa5145-5c19-429b-9123-20d3dbee67b0" xlink:to="loc_dgii_CreditAgreementDomain_626de6c3-26e4-49f6-bcab-9ba362fea2fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_PriorCreditFacilityMember_500a8e1d-526d-4cb5-ae93-2e8511c35b96" xlink:href="dgii-20220331.xsd#dgii_PriorCreditFacilityMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_CreditAgreementDomain_626de6c3-26e4-49f6-bcab-9ba362fea2fe" xlink:to="loc_dgii_PriorCreditFacilityMember_500a8e1d-526d-4cb5-ae93-2e8511c35b96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_November12021CreditAgreementMember_db3ae94e-d519-470b-b36b-25759db62896" xlink:href="dgii-20220331.xsd#dgii_November12021CreditAgreementMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_CreditAgreementDomain_626de6c3-26e4-49f6-bcab-9ba362fea2fe" xlink:to="loc_dgii_November12021CreditAgreementMember_db3ae94e-d519-470b-b36b-25759db62896" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_December222021CreditAgreementMember_30373f30-fb2f-4c31-bb10-17bb242de77e" xlink:href="dgii-20220331.xsd#dgii_December222021CreditAgreementMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_CreditAgreementDomain_626de6c3-26e4-49f6-bcab-9ba362fea2fe" xlink:to="loc_dgii_December222021CreditAgreementMember_30373f30-fb2f-4c31-bb10-17bb242de77e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bf117a16-12c9-40d2-8398-a313e9955123" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_498551c1-5ac3-4f16-bcfa-040db8c5c1ba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_498551c1-5ac3-4f16-bcfa-040db8c5c1ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_5b23fe07-2849-4a36-bfd1-51fda104428f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_5b23fe07-2849-4a36-bfd1-51fda104428f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_d7b39b1b-b63c-45cf-b939-a72b53cfff3a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsGross"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_d7b39b1b-b63c-45cf-b939-a72b53cfff3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5d6d3620-2e2a-47d5-862f-3e2f1cb95151" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5d6d3620-2e2a-47d5-862f-3e2f1cb95151" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_1b2ceb14-dbea-4d9a-ad81-2dd56e1686e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_1b2ceb14-dbea-4d9a-ad81-2dd56e1686e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_3ee7872a-e1c6-425f-8f54-cf5ab5031aa4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_3ee7872a-e1c6-425f-8f54-cf5ab5031aa4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateBasisForEffectiveRate_7bb3b0a3-ed72-4273-8394-3a5b45b47456" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateBasisForEffectiveRate"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_aee5c555-4844-4650-ad61-7e8c21d5e5fb" xlink:to="loc_us-gaap_DebtInstrumentInterestRateBasisForEffectiveRate_7bb3b0a3-ed72-4273-8394-3a5b45b47456" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/IndebtednessScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#IndebtednessScheduleofLongTermDebtDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IndebtednessScheduleofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_0c4c8e1c-9de6-4363-9ac6-4adddf4115bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_0c5eda45-4809-47b6-bc86-6624bd57c703" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0c4c8e1c-9de6-4363-9ac6-4adddf4115bc" xlink:to="loc_us-gaap_DebtInstrumentTable_0c5eda45-4809-47b6-bc86-6624bd57c703" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_1bfa7a28-5a5c-42fb-86fa-bb0a7e562de8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_0c5eda45-4809-47b6-bc86-6624bd57c703" xlink:to="loc_us-gaap_CreditFacilityAxis_1bfa7a28-5a5c-42fb-86fa-bb0a7e562de8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_ff0882c7-988c-4d6a-9132-069a781fccdd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_1bfa7a28-5a5c-42fb-86fa-bb0a7e562de8" xlink:to="loc_us-gaap_CreditFacilityDomain_ff0882c7-988c-4d6a-9132-069a781fccdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_81b1bbb6-5ebb-451a-bea8-22180dfc8e37" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_ff0882c7-988c-4d6a-9132-069a781fccdd" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_81b1bbb6-5ebb-451a-bea8-22180dfc8e37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_d1d1b819-9804-45b5-8e87-bc8b6e2e1667" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuredDebtMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_ff0882c7-988c-4d6a-9132-069a781fccdd" xlink:to="loc_us-gaap_SecuredDebtMember_d1d1b819-9804-45b5-8e87-bc8b6e2e1667" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_bbd3cb5c-d001-48f7-8f4b-c6eb36f9e28d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_0c5eda45-4809-47b6-bc86-6624bd57c703" xlink:to="loc_us-gaap_DebtInstrumentLineItems_bbd3cb5c-d001-48f7-8f4b-c6eb36f9e28d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_6d603076-8d6e-4ddc-857b-f9d143d9c7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbd3cb5c-d001-48f7-8f4b-c6eb36f9e28d" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_6d603076-8d6e-4ddc-857b-f9d143d9c7ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_d1f41a0c-57e6-4487-b159-e1590f6865d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbd3cb5c-d001-48f7-8f4b-c6eb36f9e28d" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_d1f41a0c-57e6-4487-b159-e1590f6865d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_af06b217-916b-4917-a354-d343fdfdddfb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbd3cb5c-d001-48f7-8f4b-c6eb36f9e28d" xlink:to="loc_us-gaap_LongTermDebtCurrent_af06b217-916b-4917-a354-d343fdfdddfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_a99167ca-b7f0-4fc7-a107-05d567f14678" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbd3cb5c-d001-48f7-8f4b-c6eb36f9e28d" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_a99167ca-b7f0-4fc7-a107-05d567f14678" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_268cd6d7-5668-4bf5-89c3-1ab402d0d15a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbd3cb5c-d001-48f7-8f4b-c6eb36f9e28d" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_268cd6d7-5668-4bf5-89c3-1ab402d0d15a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/IndebtednessScheduleofMaturitiesofLongtermDebtDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#IndebtednessScheduleofMaturitiesofLongtermDebtDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IndebtednessScheduleofMaturitiesofLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_bb211d91-d705-4d98-a15d-bf759a2b4c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_bb211d91-d705-4d98-a15d-bf759a2b4c1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_ae8d242e-44ad-4a35-9dff-b2662ec854fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_ae8d242e-44ad-4a35-9dff-b2662ec854fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_249a4fd0-a20c-47a8-beed-9f86fa65adf0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_249a4fd0-a20c-47a8-beed-9f86fa65adf0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_6f36a3ef-897f-46a9-88af-4c0c3417d5ba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_6f36a3ef-897f-46a9-88af-4c0c3417d5ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_d7fbc836-65cb-4f7c-8638-494427ea9f40" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_d7fbc836-65cb-4f7c-8638-494427ea9f40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_f9afdcd4-587a-47fa-9356-c015254dcad4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_f9afdcd4-587a-47fa-9356-c015254dcad4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_d1fac1a6-ad9a-4d85-ba31-62e9644a7990" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_d1fac1a6-ad9a-4d85-ba31-62e9644a7990" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_7d8644a2-1aa8-43c5-9bb6-b3d71a849430" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_56782ce1-0848-4986-a748-7201d85479b3" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_7d8644a2-1aa8-43c5-9bb6-b3d71a849430" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SegmentInformation" xlink:type="simple" xlink:href="dgii-20220331.xsd#SegmentInformation"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SegmentInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_4b76a1ee-3064-4e2d-8868-dab0cd0aced6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_779f762e-52b0-433c-ab85-11f29bca79a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_4b76a1ee-3064-4e2d-8868-dab0cd0aced6" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_779f762e-52b0-433c-ab85-11f29bca79a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#SegmentInformationTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SegmentInformationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_8d95c51f-b56b-4c0b-9b97-8101ff9577b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_4c6296e6-f5c3-468c-9758-fc3cfa347884" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_8d95c51f-b56b-4c0b-9b97-8101ff9577b2" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_4c6296e6-f5c3-468c-9758-fc3cfa347884" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_PaymentstoAcquirePropertyPlantandEquipmentbySegmentTableTextBlock_c1a6fd40-083e-43b2-862d-bed130f9b3a3" xlink:href="dgii-20220331.xsd#dgii_PaymentstoAcquirePropertyPlantandEquipmentbySegmentTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_8d95c51f-b56b-4c0b-9b97-8101ff9577b2" xlink:to="loc_dgii_PaymentstoAcquirePropertyPlantandEquipmentbySegmentTableTextBlock_c1a6fd40-083e-43b2-862d-bed130f9b3a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_019d0822-a28b-4827-aaff-3c281399b12a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_8d95c51f-b56b-4c0b-9b97-8101ff9577b2" xlink:to="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_019d0822-a28b-4827-aaff-3c281399b12a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SegmentInformationDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#SegmentInformationDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_38028c24-379c-4bcf-95e0-8e858ffbba5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f942dd1e-4f7c-43a8-b128-443c1c15c2ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_38028c24-379c-4bcf-95e0-8e858ffbba5b" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f942dd1e-4f7c-43a8-b128-443c1c15c2ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_4102331b-f169-4393-822f-ad4681e58e15" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f942dd1e-4f7c-43a8-b128-443c1c15c2ab" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_4102331b-f169-4393-822f-ad4681e58e15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_c852e20e-b7de-43de-b513-3c5b6454c075" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4102331b-f169-4393-822f-ad4681e58e15" xlink:to="loc_us-gaap_SegmentDomain_c852e20e-b7de-43de-b513-3c5b6454c075" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTProductsandServicesMember_9798c227-be8a-4f5e-b26b-2c20398c1398" xlink:href="dgii-20220331.xsd#dgii_IoTProductsandServicesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c852e20e-b7de-43de-b513-3c5b6454c075" xlink:to="loc_dgii_IoTProductsandServicesMember_9798c227-be8a-4f5e-b26b-2c20398c1398" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTSolutionsMember_5444533e-31ae-4f4f-98bf-17a500ad81dd" xlink:href="dgii-20220331.xsd#dgii_IoTSolutionsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c852e20e-b7de-43de-b513-3c5b6454c075" xlink:to="loc_dgii_IoTSolutionsMember_5444533e-31ae-4f4f-98bf-17a500ad81dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f942dd1e-4f7c-43a8-b128-443c1c15c2ab" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_fdbb6f33-aed8-4aef-b889-949b5c5ceb7e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:to="loc_us-gaap_NumberOfReportableSegments_fdbb6f33-aed8-4aef-b889-949b5c5ceb7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_d3114a2c-bfd3-4587-953a-203c6958a17c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:to="loc_us-gaap_NumberOfOperatingSegments_d3114a2c-bfd3-4587-953a-203c6958a17c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_5e23ec90-cb69-4264-b44d-54989f2cf55e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:to="loc_us-gaap_Revenues_5e23ec90-cb69-4264-b44d-54989f2cf55e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_ad7f2d9e-9f77-4411-a055-2bd80875cff3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GrossProfit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:to="loc_us-gaap_GrossProfit_ad7f2d9e-9f77-4411-a055-2bd80875cff3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_1d90c153-a3db-4d66-a395-e80e3b25e10d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:to="loc_us-gaap_OperatingIncomeLoss_1d90c153-a3db-4d66-a395-e80e3b25e10d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_5a25e575-aa89-45e5-bde4-237da12fd5ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0ee0172a-663c-42a9-8810-9761530fff07" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_5a25e575-aa89-45e5-bde4-237da12fd5ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SegmentInformationExpendedforPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#SegmentInformationExpendedforPropertyPlantandEquipmentDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SegmentInformationExpendedforPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_19ed213c-106a-4935-bef9-15caa50e35f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_769ff956-3927-403b-8b10-819c668ce2b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_19ed213c-106a-4935-bef9-15caa50e35f1" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_769ff956-3927-403b-8b10-819c668ce2b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_36b866d0-30a3-4ed9-af67-3bf99e525065" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_769ff956-3927-403b-8b10-819c668ce2b3" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_36b866d0-30a3-4ed9-af67-3bf99e525065" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_72e283d5-b5e9-47d1-9f86-42734cd9eaf3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_36b866d0-30a3-4ed9-af67-3bf99e525065" xlink:to="loc_us-gaap_SegmentDomain_72e283d5-b5e9-47d1-9f86-42734cd9eaf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTProductsandServicesMember_99389b0c-10d3-4fc1-b02a-5fbdf49bb9b7" xlink:href="dgii-20220331.xsd#dgii_IoTProductsandServicesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_72e283d5-b5e9-47d1-9f86-42734cd9eaf3" xlink:to="loc_dgii_IoTProductsandServicesMember_99389b0c-10d3-4fc1-b02a-5fbdf49bb9b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTSolutionsMember_541d6021-c4c6-4c2d-929d-3f1bc94ac702" xlink:href="dgii-20220331.xsd#dgii_IoTSolutionsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_72e283d5-b5e9-47d1-9f86-42734cd9eaf3" xlink:to="loc_dgii_IoTSolutionsMember_541d6021-c4c6-4c2d-929d-3f1bc94ac702" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_45e1fca2-5a55-435e-b377-4447eb1f1d55" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_769ff956-3927-403b-8b10-819c668ce2b3" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_45e1fca2-5a55-435e-b377-4447eb1f1d55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_7069e20f-88c1-49ab-8524-1b45eb47d535" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_45e1fca2-5a55-435e-b377-4447eb1f1d55" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_7069e20f-88c1-49ab-8524-1b45eb47d535" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_InventoryTransferToPropertyPlantAndEquipment_a25c3062-fb01-4a0e-a03e-b3874572065d" xlink:href="dgii-20220331.xsd#dgii_InventoryTransferToPropertyPlantAndEquipment"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_45e1fca2-5a55-435e-b377-4447eb1f1d55" xlink:to="loc_dgii_InventoryTransferToPropertyPlantAndEquipment_a25c3062-fb01-4a0e-a03e-b3874572065d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/SegmentInformationTotalAssetsDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#SegmentInformationTotalAssetsDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/SegmentInformationTotalAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_0b3adf90-0cbe-4358-ab7c-753c4e5816bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_8687abd0-e788-444d-9342-ec1fdb18857d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_0b3adf90-0cbe-4358-ab7c-753c4e5816bd" xlink:to="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_8687abd0-e788-444d-9342-ec1fdb18857d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_3ad40042-2710-4779-8317-5a1626092332" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_8687abd0-e788-444d-9342-ec1fdb18857d" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_3ad40042-2710-4779-8317-5a1626092332" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_397a29cd-7ab4-42ff-909d-96dbe0d7ff70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_3ad40042-2710-4779-8317-5a1626092332" xlink:to="loc_us-gaap_SegmentDomain_397a29cd-7ab4-42ff-909d-96dbe0d7ff70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTProductsandServicesMember_69814b3c-1d0f-4771-93fd-06de7886d88d" xlink:href="dgii-20220331.xsd#dgii_IoTProductsandServicesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_397a29cd-7ab4-42ff-909d-96dbe0d7ff70" xlink:to="loc_dgii_IoTProductsandServicesMember_69814b3c-1d0f-4771-93fd-06de7886d88d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IoTSolutionsMember_71f3116b-dd21-4e98-a27b-790d3ce75824" xlink:href="dgii-20220331.xsd#dgii_IoTSolutionsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_397a29cd-7ab4-42ff-909d-96dbe0d7ff70" xlink:to="loc_dgii_IoTSolutionsMember_71f3116b-dd21-4e98-a27b-790d3ce75824" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateMember_80797149-759b-4e99-9744-223f350a91c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_397a29cd-7ab4-42ff-909d-96dbe0d7ff70" xlink:to="loc_us-gaap_CorporateMember_80797149-759b-4e99-9744-223f350a91c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_f86fc53d-bc38-489f-9f91-ddb6a83a891d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAssetReconcilingItemLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_8687abd0-e788-444d-9342-ec1fdb18857d" xlink:to="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_f86fc53d-bc38-489f-9f91-ddb6a83a891d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_fe425b6d-cbe0-440f-aea0-b8e030e05d45" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_f86fc53d-bc38-489f-9f91-ddb6a83a891d" xlink:to="loc_us-gaap_Assets_fe425b6d-cbe0-440f-aea0-b8e030e05d45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/Revenue" xlink:type="simple" xlink:href="dgii-20220331.xsd#Revenue"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/Revenue" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.digi.com/role/RevenueTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#RevenueTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/RevenueTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_62ebd405-b527-417b-96b4-8260b6f28d09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_df34b25b-7838-4a02-a762-bac9a3f54416" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_62ebd405-b527-417b-96b4-8260b6f28d09" xlink:to="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_df34b25b-7838-4a02-a762-bac9a3f54416" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/RevenueDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#RevenueDisaggregationofRevenueDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/RevenueDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_9c1422cf-07b5-4cd5-a545-f55ab27a62c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_680a9406-2aa3-4052-8176-1574d1160d71" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_9c1422cf-07b5-4cd5-a545-f55ab27a62c9" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_680a9406-2aa3-4052-8176-1574d1160d71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_31015b1d-bac3-41d9-bdfb-f27304e8c6ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_680a9406-2aa3-4052-8176-1574d1160d71" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_31015b1d-bac3-41d9-bdfb-f27304e8c6ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_56bbc6f1-0103-4651-a124-90bde1ff99a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_31015b1d-bac3-41d9-bdfb-f27304e8c6ca" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_56bbc6f1-0103-4651-a124-90bde1ff99a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredAtPointInTimeMember_12bf8915-672f-4493-8fcc-9bd35462c474" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferredAtPointInTimeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_56bbc6f1-0103-4651-a124-90bde1ff99a1" xlink:to="loc_us-gaap_TransferredAtPointInTimeMember_12bf8915-672f-4493-8fcc-9bd35462c474" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredOverTimeMember_908b2fe7-9e21-41ad-8fb4-3f7fc16bbc4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferredOverTimeMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_56bbc6f1-0103-4651-a124-90bde1ff99a1" xlink:to="loc_us-gaap_TransferredOverTimeMember_908b2fe7-9e21-41ad-8fb4-3f7fc16bbc4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_53ba2359-0d93-4192-8343-0c8dc4485f79" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_680a9406-2aa3-4052-8176-1574d1160d71" xlink:to="loc_srt_StatementGeographicalAxis_53ba2359-0d93-4192-8343-0c8dc4485f79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_3914f12d-93b2-4e79-909c-07fa7a75b67c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementGeographicalAxis_53ba2359-0d93-4192-8343-0c8dc4485f79" xlink:to="loc_srt_SegmentGeographicalDomain_3914f12d-93b2-4e79-909c-07fa7a75b67c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_27c65d34-75dc-4985-9db6-f6e2ea48bea0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NorthAmericaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_3914f12d-93b2-4e79-909c-07fa7a75b67c" xlink:to="loc_srt_NorthAmericaMember_27c65d34-75dc-4985-9db6-f6e2ea48bea0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_7d4d1444-72f1-4291-af44-74c17181b031" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EMEAMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_3914f12d-93b2-4e79-909c-07fa7a75b67c" xlink:to="loc_us-gaap_EMEAMember_7d4d1444-72f1-4291-af44-74c17181b031" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_OtherlocationsMember_c4c6287a-bec5-4bcf-b0c6-56be671b7fc5" xlink:href="dgii-20220331.xsd#dgii_OtherlocationsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_3914f12d-93b2-4e79-909c-07fa7a75b67c" xlink:to="loc_dgii_OtherlocationsMember_c4c6287a-bec5-4bcf-b0c6-56be671b7fc5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_d5e5f79f-79a9-4ee0-bd87-a90be563f9c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_680a9406-2aa3-4052-8176-1574d1160d71" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_d5e5f79f-79a9-4ee0-bd87-a90be563f9c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_6994cac1-c255-450a-8440-d8edcff9671d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_d5e5f79f-79a9-4ee0-bd87-a90be563f9c6" xlink:to="loc_us-gaap_Revenues_6994cac1-c255-450a-8440-d8edcff9671d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/RevenueAdditionalInformationDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#RevenueAdditionalInformationDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/RevenueAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_0ac4e6fb-2001-473e-9481-776d58e72e0e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_b5be39d1-f30c-4368-8532-fd82a7d67c6c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_0ac4e6fb-2001-473e-9481-776d58e72e0e" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_b5be39d1-f30c-4368-8532-fd82a7d67c6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostAxis_b57e65ab-eb89-40ee-aafa-7ec4a177c185" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedContractCostAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b5be39d1-f30c-4368-8532-fd82a7d67c6c" xlink:to="loc_us-gaap_CapitalizedContractCostAxis_b57e65ab-eb89-40ee-aafa-7ec4a177c185" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostDomain_b876353f-0f66-443d-98f9-a8f427901f71" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedContractCostDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalizedContractCostAxis_b57e65ab-eb89-40ee-aafa-7ec4a177c185" xlink:to="loc_us-gaap_CapitalizedContractCostDomain_b876353f-0f66-443d-98f9-a8f427901f71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentMember_05fa8084-e7e7-4c11-ae2e-bfb86d70f4ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquipmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalizedContractCostDomain_b876353f-0f66-443d-98f9-a8f427901f71" xlink:to="loc_us-gaap_EquipmentMember_05fa8084-e7e7-4c11-ae2e-bfb86d70f4ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_afdf57c2-11f5-45df-be7a-4e82e298cf51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b5be39d1-f30c-4368-8532-fd82a7d67c6c" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_afdf57c2-11f5-45df-be7a-4e82e298cf51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_435144f0-36e6-49a0-a095-8df0e9984145" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b5be39d1-f30c-4368-8532-fd82a7d67c6c" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_435144f0-36e6-49a0-a095-8df0e9984145" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_763b2fcc-e5c2-4a16-9bc4-87e32ee2860f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_435144f0-36e6-49a0-a095-8df0e9984145" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_763b2fcc-e5c2-4a16-9bc4-87e32ee2860f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_VentusMember_6e0153d6-017b-4b26-bdb1-fa436c11212f" xlink:href="dgii-20220331.xsd#dgii_VentusMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_763b2fcc-e5c2-4a16-9bc4-87e32ee2860f" xlink:to="loc_dgii_VentusMember_6e0153d6-017b-4b26-bdb1-fa436c11212f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_f1de4ac9-b313-43ad-bdfe-48f1c56349fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b5be39d1-f30c-4368-8532-fd82a7d67c6c" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_f1de4ac9-b313-43ad-bdfe-48f1c56349fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNet_0ad74091-9d86-4eab-8214-234f66ab4384" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedContractCostNet"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f1de4ac9-b313-43ad-bdfe-48f1c56349fb" xlink:to="loc_us-gaap_CapitalizedContractCostNet_0ad74091-9d86-4eab-8214-234f66ab4384" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_341c9e6d-3d8a-456f-b313-7b143e442046" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedContractCostAmortization"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f1de4ac9-b313-43ad-bdfe-48f1c56349fb" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_341c9e6d-3d8a-456f-b313-7b143e442046" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_9a37e547-51ba-4352-ac94-c6dbaad4dad5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f1de4ac9-b313-43ad-bdfe-48f1c56349fb" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_9a37e547-51ba-4352-ac94-c6dbaad4dad5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/RevenueAdditionalInformationDetails_1" xlink:type="simple" xlink:href="dgii-20220331.xsd#RevenueAdditionalInformationDetails_1"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/RevenueAdditionalInformationDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.digi.com/role/RevenueUnearnedRevenueDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#RevenueUnearnedRevenueDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/RevenueUnearnedRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_db867181-3ac2-4f2f-a899-5d9344cf2a1e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_af53b384-aebd-4797-b837-74dfd1697f78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_db867181-3ac2-4f2f-a899-5d9344cf2a1e" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_af53b384-aebd-4797-b837-74dfd1697f78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_88d714e7-5cb9-4485-b170-5e6c105e159e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_af53b384-aebd-4797-b837-74dfd1697f78" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_88d714e7-5cb9-4485-b170-5e6c105e159e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_aa99c87e-6c7b-4842-bc9d-f3d4261070cb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_88d714e7-5cb9-4485-b170-5e6c105e159e" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_aa99c87e-6c7b-4842-bc9d-f3d4261070cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_VentusMember_65f19201-9516-4923-b60f-ad267eb7dde9" xlink:href="dgii-20220331.xsd#dgii_VentusMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_aa99c87e-6c7b-4842-bc9d-f3d4261070cb" xlink:to="loc_dgii_VentusMember_65f19201-9516-4923-b60f-ad267eb7dde9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_f084a00c-0288-4e5f-9c45-d72bff491f43" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_af53b384-aebd-4797-b837-74dfd1697f78" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_f084a00c-0288-4e5f-9c45-d72bff491f43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_5122f081-fc7b-4896-a1c4-02bf0ed919fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f084a00c-0288-4e5f-9c45-d72bff491f43" xlink:to="loc_us-gaap_ContractWithCustomerLiability_5122f081-fc7b-4896-a1c4-02bf0ed919fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_5a366c7f-0f90-4687-b26e-4489be630eef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f084a00c-0288-4e5f-9c45-d72bff491f43" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_5a366c7f-0f90-4687-b26e-4489be630eef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/RevenuePerformanceObligationsDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#RevenuePerformanceObligationsDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/RevenuePerformanceObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_97f050a7-d14c-46b4-892e-ea8ba4026a14" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_d353c917-7be1-48af-a45b-a59b899d3f27" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_97f050a7-d14c-46b4-892e-ea8ba4026a14" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_d353c917-7be1-48af-a45b-a59b899d3f27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2e706457-bced-45d0-98ae-d36666812603" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_97f050a7-d14c-46b4-892e-ea8ba4026a14" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2e706457-bced-45d0-98ae-d36666812603" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_3e3c94f7-b511-46bb-8cb8-ce38b102f0f9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2e706457-bced-45d0-98ae-d36666812603" xlink:to="loc_srt_RangeAxis_3e3c94f7-b511-46bb-8cb8-ce38b102f0f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_91789eac-95ed-4b2d-bc6c-e42d12385b5b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_3e3c94f7-b511-46bb-8cb8-ce38b102f0f9" xlink:to="loc_srt_RangeMember_91789eac-95ed-4b2d-bc6c-e42d12385b5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_43922fcc-a12e-47e6-b2ea-668580bdfd01" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_91789eac-95ed-4b2d-bc6c-e42d12385b5b" xlink:to="loc_srt_MinimumMember_43922fcc-a12e-47e6-b2ea-668580bdfd01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_31d54367-6a83-486c-bb11-2a35a69d97d9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_91789eac-95ed-4b2d-bc6c-e42d12385b5b" xlink:to="loc_srt_MaximumMember_31d54367-6a83-486c-bb11-2a35a69d97d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_565db67d-2e0f-420d-8fb9-31ffd93b5902" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2e706457-bced-45d0-98ae-d36666812603" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_565db67d-2e0f-420d-8fb9-31ffd93b5902" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_47076b0d-51ed-4b01-9d5e-75672f4db7f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2e706457-bced-45d0-98ae-d36666812603" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_47076b0d-51ed-4b01-9d5e-75672f4db7f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_4cbeddf8-3863-4f8f-8a48-74e893c0183f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_47076b0d-51ed-4b01-9d5e-75672f4db7f9" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_4cbeddf8-3863-4f8f-8a48-74e893c0183f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/RevenuePerformanceObligationsDetails_1" xlink:type="simple" xlink:href="dgii-20220331.xsd#RevenuePerformanceObligationsDetails_1"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/RevenuePerformanceObligationsDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.digi.com/role/IncomeTaxes" xlink:type="simple" xlink:href="dgii-20220331.xsd#IncomeTaxes"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IncomeTaxes" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_55ce2281-656b-43e3-baa1-a2a7cc29c941" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_19bee19e-d263-45f9-8df9-ffdc82b8a2c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_55ce2281-656b-43e3-baa1-a2a7cc29c941" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_19bee19e-d263-45f9-8df9-ffdc82b8a2c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/IncomeTaxesTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#IncomeTaxesTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IncomeTaxesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_b1ecdb97-a474-4a22-92ec-947feb3c1eef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForwardTableTextBlock_76a88635-2887-411c-8146-ee7bbc60b2a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForwardTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_b1ecdb97-a474-4a22-92ec-947feb3c1eef" xlink:to="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForwardTableTextBlock_76a88635-2887-411c-8146-ee7bbc60b2a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/IncomeTaxesDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#IncomeTaxesDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_ed8c77e4-5926-4f47-a15c-e623d6cf4a4d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0fd4156f-1127-4a47-974b-686fafd50b05" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_ed8c77e4-5926-4f47-a15c-e623d6cf4a4d" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_0fd4156f-1127-4a47-974b-686fafd50b05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IncomeTaxExpenseBenefitSpecifictothePeriod_faca0209-7284-4bc1-af2d-40000c5a67c0" xlink:href="dgii-20220331.xsd#dgii_IncomeTaxExpenseBenefitSpecifictothePeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_ed8c77e4-5926-4f47-a15c-e623d6cf4a4d" xlink:to="loc_dgii_IncomeTaxExpenseBenefitSpecifictothePeriod_faca0209-7284-4bc1-af2d-40000c5a67c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#IncomeTaxesUnrecognizedTaxBenefitsDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_05dca60c-e6b8-487d-bcb8-cee1f0714df4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_1187afd4-3d00-4bb9-b0e5-8fb141276cd3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_05dca60c-e6b8-487d-bcb8-cee1f0714df4" xlink:to="loc_us-gaap_StatementTable_1187afd4-3d00-4bb9-b0e5-8fb141276cd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_ff7431f0-f6a5-427a-87be-a54f0eeca7c3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1187afd4-3d00-4bb9-b0e5-8fb141276cd3" xlink:to="loc_srt_RangeAxis_ff7431f0-f6a5-427a-87be-a54f0eeca7c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_190715f2-f468-4b3c-a2a0-ec16c0f6c893" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_ff7431f0-f6a5-427a-87be-a54f0eeca7c3" xlink:to="loc_srt_RangeMember_190715f2-f468-4b3c-a2a0-ec16c0f6c893" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_fa4192da-4851-4e7d-8ac2-2f55d283b572" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_190715f2-f468-4b3c-a2a0-ec16c0f6c893" xlink:to="loc_srt_MaximumMember_fa4192da-4851-4e7d-8ac2-2f55d283b572" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_b8be3af8-963b-40e9-87ad-9fb00ed811d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1187afd4-3d00-4bb9-b0e5-8fb141276cd3" xlink:to="loc_us-gaap_StatementLineItems_b8be3af8-963b-40e9-87ad-9fb00ed811d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_c7f6c457-5240-4b28-a19a-a6d56c09a813" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_b8be3af8-963b-40e9-87ad-9fb00ed811d6" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_c7f6c457-5240-4b28-a19a-a6d56c09a813" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_8f1ffea2-f1cf-41ba-b70c-0c266052304a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_b8be3af8-963b-40e9-87ad-9fb00ed811d6" xlink:to="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_8f1ffea2-f1cf-41ba-b70c-0c266052304a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_IncomeTaxExpenseBenefitSpecifictothePeriod_47f1ec1d-1911-4445-b898-05925d167e6a" xlink:href="dgii-20220331.xsd#dgii_IncomeTaxExpenseBenefitSpecifictothePeriod"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_b8be3af8-963b-40e9-87ad-9fb00ed811d6" xlink:to="loc_dgii_IncomeTaxExpenseBenefitSpecifictothePeriod_47f1ec1d-1911-4445-b898-05925d167e6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_77395bae-5ab6-4a4b-86ed-a6d25be1cf76" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_05dca60c-e6b8-487d-bcb8-cee1f0714df4" xlink:to="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_77395bae-5ab6-4a4b-86ed-a6d25be1cf76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_cdc1b85d-be14-4d2f-8049-9f748f066321" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_77395bae-5ab6-4a4b-86ed-a6d25be1cf76" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_cdc1b85d-be14-4d2f-8049-9f748f066321" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_be8bbf7e-7f6e-489e-8d2c-6b75ffcab69a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_77395bae-5ab6-4a4b-86ed-a6d25be1cf76" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_be8bbf7e-7f6e-489e-8d2c-6b75ffcab69a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_d0c2a3cc-a9f5-4868-ae78-6d2dfbf0629f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_77395bae-5ab6-4a4b-86ed-a6d25be1cf76" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_d0c2a3cc-a9f5-4868-ae78-6d2dfbf0629f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/ProductWarrantyObligation" xlink:type="simple" xlink:href="dgii-20220331.xsd#ProductWarrantyObligation"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/ProductWarrantyObligation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantiesDisclosuresAbstract_e33d98aa-5aee-4a6e-a9e1-d3b7fa6e2047" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantiesDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyDisclosureTextBlock_cffab0ce-37a5-4a9d-ad7d-ab3bad8d5099" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantyDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantiesDisclosuresAbstract_e33d98aa-5aee-4a6e-a9e1-d3b7fa6e2047" xlink:to="loc_us-gaap_ProductWarrantyDisclosureTextBlock_cffab0ce-37a5-4a9d-ad7d-ab3bad8d5099" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/ProductWarrantyObligationTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#ProductWarrantyObligationTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/ProductWarrantyObligationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantiesDisclosuresAbstract_b396f356-eea4-43f5-aa39-7aeb24d75d84" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantiesDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_f0afb84b-ea8f-411e-9fe0-e7d276e95ee4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantiesDisclosuresAbstract_b396f356-eea4-43f5-aa39-7aeb24d75d84" xlink:to="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_f0afb84b-ea8f-411e-9fe0-e7d276e95ee4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/ProductWarrantyObligationDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#ProductWarrantyObligationDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/ProductWarrantyObligationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantiesDisclosuresAbstract_bed053e2-6d47-41a9-89cb-3f91d5e8c732" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantiesDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_bb7d42c5-00b4-4ed9-99c1-518034802e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MovementInStandardProductWarrantyAccrualRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantiesDisclosuresAbstract_bed053e2-6d47-41a9-89cb-3f91d5e8c732" xlink:to="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_bb7d42c5-00b4-4ed9-99c1-518034802e1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_7a60e18e-85cf-452d-bd7d-643b390d69e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StandardProductWarrantyAccrual"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_bb7d42c5-00b4-4ed9-99c1-518034802e1d" xlink:to="loc_us-gaap_StandardProductWarrantyAccrual_7a60e18e-85cf-452d-bd7d-643b390d69e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_931ef913-bb0a-44e1-b023-eab9fe9fbb17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StandardProductWarrantyAccrualWarrantiesIssued"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_bb7d42c5-00b4-4ed9-99c1-518034802e1d" xlink:to="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_931ef913-bb0a-44e1-b023-eab9fe9fbb17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualPayments_689630d8-cc5d-4811-8ad9-a359409bf827" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StandardProductWarrantyAccrualPayments"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_bb7d42c5-00b4-4ed9-99c1-518034802e1d" xlink:to="loc_us-gaap_StandardProductWarrantyAccrualPayments_689630d8-cc5d-4811-8ad9-a359409bf827" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_9d13f98a-2991-4c52-9ab7-d1fdac014ac3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StandardProductWarrantyAccrual"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_bb7d42c5-00b4-4ed9-99c1-518034802e1d" xlink:to="loc_us-gaap_StandardProductWarrantyAccrual_9d13f98a-2991-4c52-9ab7-d1fdac014ac3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/Leases" xlink:type="simple" xlink:href="dgii-20220331.xsd#Leases"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/Leases" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_fabc8d1c-a11c-49c2-bba1-f5556700b5c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_f70de39f-1095-4fdf-b6c0-8af4ab4a5394" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeasesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_fabc8d1c-a11c-49c2-bba1-f5556700b5c2" xlink:to="loc_us-gaap_LesseeOperatingLeasesTextBlock_f70de39f-1095-4fdf-b6c0-8af4ab4a5394" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/LeasesTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#LeasesTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/LeasesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_4027618f-9061-4f30-9c95-5e8e50696615" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_AssetsAndLiabilitiesLesseeTableTextBlock_5b411f92-d235-4131-afc2-ca941163f7ea" xlink:href="dgii-20220331.xsd#dgii_AssetsAndLiabilitiesLesseeTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_4027618f-9061-4f30-9c95-5e8e50696615" xlink:to="loc_dgii_AssetsAndLiabilitiesLesseeTableTextBlock_5b411f92-d235-4131-afc2-ca941163f7ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_aadabeed-7885-4a38-a275-796704943484" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCostTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_4027618f-9061-4f30-9c95-5e8e50696615" xlink:to="loc_us-gaap_LeaseCostTableTextBlock_aadabeed-7885-4a38-a275-796704943484" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_7ec4c8cc-613f-4922-8501-9e01c98ea226" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_4027618f-9061-4f30-9c95-5e8e50696615" xlink:to="loc_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_7ec4c8cc-613f-4922-8501-9e01c98ea226" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_cc57be49-98b2-4535-8471-bdffeada60b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_4027618f-9061-4f30-9c95-5e8e50696615" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_cc57be49-98b2-4535-8471-bdffeada60b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/LeasesSupplementalBalanceSheetDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#LeasesSupplementalBalanceSheetDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/LeasesSupplementalBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_f536a0c0-c776-4425-9668-6e72e18c618a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAndLiabilitiesLesseeAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_3c0b37ba-52fe-4756-a0a9-a061f92da3fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_f536a0c0-c776-4425-9668-6e72e18c618a" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_3c0b37ba-52fe-4756-a0a9-a061f92da3fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_LeaseRightOfUseAsset_35610b6b-b587-4fc3-a565-12911f1b8779" xlink:href="dgii-20220331.xsd#dgii_LeaseRightOfUseAsset"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_f536a0c0-c776-4425-9668-6e72e18c618a" xlink:to="loc_dgii_LeaseRightOfUseAsset_35610b6b-b587-4fc3-a565-12911f1b8779" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_f2b40121-3780-4ea2-96f0-3909b73b7c3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_f536a0c0-c776-4425-9668-6e72e18c618a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_f2b40121-3780-4ea2-96f0-3909b73b7c3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_38e632be-a8b0-4d32-a1ea-d5bd57abb3f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_f536a0c0-c776-4425-9668-6e72e18c618a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_38e632be-a8b0-4d32-a1ea-d5bd57abb3f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_LeaseLiability_0a8b129d-7772-4307-bec8-3afebfc47706" xlink:href="dgii-20220331.xsd#dgii_LeaseLiability"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_f536a0c0-c776-4425-9668-6e72e18c618a" xlink:to="loc_dgii_LeaseLiability_0a8b129d-7772-4307-bec8-3afebfc47706" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/LeasesLeaseCostDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#LeasesLeaseCostDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/LeasesLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCostAbstract_695c9bd5-04ee-4383-983f-7a8475d8ea09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCostAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_8f14dcfb-be1a-4f3f-b25c-dc33f7ec3f88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseCost"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeaseCostAbstract_695c9bd5-04ee-4383-983f-7a8475d8ea09" xlink:to="loc_us-gaap_OperatingLeaseCost_8f14dcfb-be1a-4f3f-b25c-dc33f7ec3f88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_40248ffe-ddc0-4ae3-be1f-e132366e9236" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableLeaseCost"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeaseCostAbstract_695c9bd5-04ee-4383-983f-7a8475d8ea09" xlink:to="loc_us-gaap_VariableLeaseCost_40248ffe-ddc0-4ae3-be1f-e132366e9236" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_b9e4fc17-a9a3-446e-b4c9-a23af6809733" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeaseCostAbstract_695c9bd5-04ee-4383-983f-7a8475d8ea09" xlink:to="loc_us-gaap_ShortTermLeaseCost_b9e4fc17-a9a3-446e-b4c9-a23af6809733" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_83a36145-6531-4ba1-a950-5384b41ecbcd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCost"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeaseCostAbstract_695c9bd5-04ee-4383-983f-7a8475d8ea09" xlink:to="loc_us-gaap_LeaseCost_83a36145-6531-4ba1-a950-5384b41ecbcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/LeasesOtherInformationDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#LeasesOtherInformationDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/LeasesOtherInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_823dd2cc-a83c-4ad5-9838-f60a12cfd703" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_RightOfUseAssetObtainedInExchangeforLeaseLiabilityAbstract_16fb327f-ad6e-4713-852a-0ad5ab3fe955" xlink:href="dgii-20220331.xsd#dgii_RightOfUseAssetObtainedInExchangeforLeaseLiabilityAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_823dd2cc-a83c-4ad5-9838-f60a12cfd703" xlink:to="loc_dgii_RightOfUseAssetObtainedInExchangeforLeaseLiabilityAbstract_16fb327f-ad6e-4713-852a-0ad5ab3fe955" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_bd225cd5-f4fa-4f56-9e7d-b4985e318a87" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeasePayments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_RightOfUseAssetObtainedInExchangeforLeaseLiabilityAbstract_16fb327f-ad6e-4713-852a-0ad5ab3fe955" xlink:to="loc_us-gaap_OperatingLeasePayments_bd225cd5-f4fa-4f56-9e7d-b4985e318a87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_368990ef-1567-42ee-bece-c5a1f57f1909" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_RightOfUseAssetObtainedInExchangeforLeaseLiabilityAbstract_16fb327f-ad6e-4713-852a-0ad5ab3fe955" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_368990ef-1567-42ee-bece-c5a1f57f1909" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_CashpaidforleasesAbstract_ca55b60d-38e6-4ec7-8aed-68876f099934" xlink:href="dgii-20220331.xsd#dgii_CashpaidforleasesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_823dd2cc-a83c-4ad5-9838-f60a12cfd703" xlink:to="loc_dgii_CashpaidforleasesAbstract_ca55b60d-38e6-4ec7-8aed-68876f099934" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_28c6bac8-c38e-4664-b971-1a1c4c0e53f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_CashpaidforleasesAbstract_ca55b60d-38e6-4ec7-8aed-68876f099934" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_28c6bac8-c38e-4664-b971-1a1c4c0e53f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_UsGaap_CapitalizedLeaseholdImprovementsPaidByLessor_89698295-e696-47d2-8c4d-ff35354a5dbb" xlink:href="dgii-20220331.xsd#dgii_UsGaap_CapitalizedLeaseholdImprovementsPaidByLessor"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_CashpaidforleasesAbstract_ca55b60d-38e6-4ec7-8aed-68876f099934" xlink:to="loc_dgii_UsGaap_CapitalizedLeaseholdImprovementsPaidByLessor_89698295-e696-47d2-8c4d-ff35354a5dbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_NonCashTenantImprovementAllowanceAbstract_e80bf9ba-532f-41b2-9b3c-089706d5c61c" xlink:href="dgii-20220331.xsd#dgii_NonCashTenantImprovementAllowanceAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_823dd2cc-a83c-4ad5-9838-f60a12cfd703" xlink:to="loc_dgii_NonCashTenantImprovementAllowanceAbstract_e80bf9ba-532f-41b2-9b3c-089706d5c61c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_WeightedaverageremainingleasetermAbstract_205e4a7d-8220-4a9c-8d6b-0b32ab578875" xlink:href="dgii-20220331.xsd#dgii_WeightedaverageremainingleasetermAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_823dd2cc-a83c-4ad5-9838-f60a12cfd703" xlink:to="loc_dgii_WeightedaverageremainingleasetermAbstract_205e4a7d-8220-4a9c-8d6b-0b32ab578875" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_78aedd8e-1208-4879-b4ae-65a2d6613e6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_WeightedaverageremainingleasetermAbstract_205e4a7d-8220-4a9c-8d6b-0b32ab578875" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_78aedd8e-1208-4879-b4ae-65a2d6613e6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_WeightedAverageDiscountRateLeasesAbstract_2ac252c2-f60a-4530-9551-eb3355e8ed20" xlink:href="dgii-20220331.xsd#dgii_WeightedAverageDiscountRateLeasesAbstract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_823dd2cc-a83c-4ad5-9838-f60a12cfd703" xlink:to="loc_dgii_WeightedAverageDiscountRateLeasesAbstract_2ac252c2-f60a-4530-9551-eb3355e8ed20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_3adac9f4-d45c-4480-b39c-6060c8394c06" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dgii_WeightedAverageDiscountRateLeasesAbstract_2ac252c2-f60a-4530-9551-eb3355e8ed20" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_3adac9f4-d45c-4480-b39c-6060c8394c06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/LeasesMaturityofOperatingLeaseLiabilityDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#LeasesMaturityofOperatingLeaseLiabilityDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/LeasesMaturityofOperatingLeaseLiabilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_cdc9997b-845e-48a8-b892-77db84ecf95e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_cdc9997b-845e-48a8-b892-77db84ecf95e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_89f13e62-01c6-41aa-a810-138358108e5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_89f13e62-01c6-41aa-a810-138358108e5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_f5a7853b-21c6-4e4e-ae9c-1818639019d8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_f5a7853b-21c6-4e4e-ae9c-1818639019d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_1825a931-e2e5-40e9-8713-dfdd43cc19af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_1825a931-e2e5-40e9-8713-dfdd43cc19af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_c6e95dcf-15fc-4a28-a1b7-b8210f2bbddb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_c6e95dcf-15fc-4a28-a1b7-b8210f2bbddb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_b4c64a04-a7de-4e0f-95b3-2b0ad3ade7f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_b4c64a04-a7de-4e0f-95b3-2b0ad3ade7f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_2ebafc7b-6abc-439e-8fd5-3ec3a05130d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_2ebafc7b-6abc-439e-8fd5-3ec3a05130d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0a2a8583-17f4-4ecf-8ba4-c05d9bebf1ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0a2a8583-17f4-4ecf-8ba4-c05d9bebf1ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_cbc27ae7-bc41-4daa-ab22-10697bf35b42" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_cbc27ae7-bc41-4daa-ab22-10697bf35b42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_d4054623-3799-4ae2-ad39-d9a8867aa681" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_ef6d0df1-a0b1-4c3d-9d1c-c6ecfe0812f7" xlink:to="loc_us-gaap_OperatingLeaseLiability_d4054623-3799-4ae2-ad39-d9a8867aa681" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/LeasesMaturityofOperatingLeaseLiabilityDetails_1" xlink:type="simple" xlink:href="dgii-20220331.xsd#LeasesMaturityofOperatingLeaseLiabilityDetails_1"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/LeasesMaturityofOperatingLeaseLiabilityDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.digi.com/role/Contingencies" xlink:type="simple" xlink:href="dgii-20220331.xsd#Contingencies"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/Contingencies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_d0fda3ad-1c68-461c-ae6f-9889877b60ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_15528ec3-b1a9-4440-8173-50fd568f577e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_d0fda3ad-1c68-461c-ae6f-9889877b60ee" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_15528ec3-b1a9-4440-8173-50fd568f577e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/ContingenciesTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#ContingenciesTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/ContingenciesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.digi.com/role/ContingenciesContingenciesDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#ContingenciesContingenciesDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/ContingenciesContingenciesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.digi.com/role/StockBasedCompensation" xlink:type="simple" xlink:href="dgii-20220331.xsd#StockBasedCompensation"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/StockBasedCompensation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6ee8dd1d-eafb-4004-85e2-8ee0675adffd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_db2aca07-d8ca-49ed-af5a-c815bc252bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6ee8dd1d-eafb-4004-85e2-8ee0675adffd" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_db2aca07-d8ca-49ed-af5a-c815bc252bd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/StockBasedCompensationTables" xlink:type="simple" xlink:href="dgii-20220331.xsd#StockBasedCompensationTables"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/StockBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e686f6c6-cb67-4412-9d6f-2c2a09c7f355" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_a0f1ae7e-a310-4d03-a933-b53bc00b4325" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e686f6c6-cb67-4412-9d6f-2c2a09c7f355" xlink:to="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_a0f1ae7e-a310-4d03-a933-b53bc00b4325" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_b96d66ad-681f-4196-9114-2d925400d342" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e686f6c6-cb67-4412-9d6f-2c2a09c7f355" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_b96d66ad-681f-4196-9114-2d925400d342" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_2960b3a4-0f23-4cd2-b460-615d585caac0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e686f6c6-cb67-4412-9d6f-2c2a09c7f355" xlink:to="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_2960b3a4-0f23-4cd2-b460-615d585caac0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_efdb443d-434e-42aa-8f6c-1610f9e78839" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e686f6c6-cb67-4412-9d6f-2c2a09c7f355" xlink:to="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_efdb443d-434e-42aa-8f6c-1610f9e78839" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/StockBasedCompensationDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#StockBasedCompensationDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/StockBasedCompensationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_44616990-7ff6-44dd-895b-a4f3612ff800" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_156e2ac7-6693-4dc4-bd0b-a74465ef512e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_44616990-7ff6-44dd-895b-a4f3612ff800" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_156e2ac7-6693-4dc4-bd0b-a74465ef512e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_3e8101b7-c738-487c-a760-29c1bf989de7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_TitleOfIndividualAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_156e2ac7-6693-4dc4-bd0b-a74465ef512e" xlink:to="loc_srt_TitleOfIndividualAxis_3e8101b7-c738-487c-a760-29c1bf989de7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_55a286c8-fb17-4aa6-af4d-3135ee97cf55" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_TitleOfIndividualAxis_3e8101b7-c738-487c-a760-29c1bf989de7" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_55a286c8-fb17-4aa6-af4d-3135ee97cf55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember_eb256c6b-d95f-42ea-93f1-7f67d48e3adf" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_DirectorMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_55a286c8-fb17-4aa6-af4d-3135ee97cf55" xlink:to="loc_srt_DirectorMember_eb256c6b-d95f-42ea-93f1-7f67d48e3adf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ExecutivesandEmployeesMember_bfca3d26-cc37-41d6-bd45-363f56680239" xlink:href="dgii-20220331.xsd#dgii_ExecutivesandEmployeesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_55a286c8-fb17-4aa6-af4d-3135ee97cf55" xlink:to="loc_dgii_ExecutivesandEmployeesMember_bfca3d26-cc37-41d6-bd45-363f56680239" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ExecutivesMember_7c3cf1b8-b0d6-49cc-a788-26eba1f695b8" xlink:href="dgii-20220331.xsd#dgii_ExecutivesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_55a286c8-fb17-4aa6-af4d-3135ee97cf55" xlink:to="loc_dgii_ExecutivesMember_7c3cf1b8-b0d6-49cc-a788-26eba1f695b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_d1c9640c-80fb-4196-99ef-b57fd049c19c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_156e2ac7-6693-4dc4-bd0b-a74465ef512e" xlink:to="loc_us-gaap_PlanNameAxis_d1c9640c-80fb-4196-99ef-b57fd049c19c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_b8a56069-05f3-41d9-834b-2c6d29c207d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_d1c9640c-80fb-4196-99ef-b57fd049c19c" xlink:to="loc_us-gaap_PlanNameDomain_b8a56069-05f3-41d9-834b-2c6d29c207d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_The2021PlanMember_ff4a9e8e-66b0-4c69-b803-371e3df7d65e" xlink:href="dgii-20220331.xsd#dgii_The2021PlanMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_b8a56069-05f3-41d9-834b-2c6d29c207d6" xlink:to="loc_dgii_The2021PlanMember_ff4a9e8e-66b0-4c69-b803-371e3df7d65e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_d076a35c-2280-4d63-8041-b670470d08f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_156e2ac7-6693-4dc4-bd0b-a74465ef512e" xlink:to="loc_us-gaap_AwardTypeAxis_d076a35c-2280-4d63-8041-b670470d08f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04756d50-bb04-4249-a3db-5bddb40f2695" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_d076a35c-2280-4d63-8041-b670470d08f3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04756d50-bb04-4249-a3db-5bddb40f2695" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_eb2e7cb8-18a3-402b-8af4-5bfd1c7d3cf8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04756d50-bb04-4249-a3db-5bddb40f2695" xlink:to="loc_us-gaap_EmployeeStockOptionMember_eb2e7cb8-18a3-402b-8af4-5bfd1c7d3cf8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_097902d0-094f-4970-9f58-6c689246675a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04756d50-bb04-4249-a3db-5bddb40f2695" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_097902d0-094f-4970-9f58-6c689246675a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_da8e7d36-b944-488b-8a94-2965739be366" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PerformanceSharesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04756d50-bb04-4249-a3db-5bddb40f2695" xlink:to="loc_us-gaap_PerformanceSharesMember_da8e7d36-b944-488b-8a94-2965739be366" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_730067aa-bcd0-4bc8-aa9e-cefb461bfc78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04756d50-bb04-4249-a3db-5bddb40f2695" xlink:to="loc_us-gaap_EmployeeStockMember_730067aa-bcd0-4bc8-aa9e-cefb461bfc78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_156e2ac7-6693-4dc4-bd0b-a74465ef512e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_1b31580d-a7dc-4748-b918-01f63beebda5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_1b31580d-a7dc-4748-b918-01f63beebda5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_48decee3-c73a-494c-a447-95f8e55f76a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_48decee3-c73a-494c-a447-95f8e55f76a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_8b768950-4933-444f-b6bb-228ab91f517f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_8b768950-4933-444f-b6bb-228ab91f517f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_f5d5b0a8-47ac-4a0d-b368-abb4980a5750" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_f5d5b0a8-47ac-4a0d-b368-abb4980a5750" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_47f9b248-7535-4820-9cc3-c77857a73597" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_47f9b248-7535-4820-9cc3-c77857a73597" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_5e56561d-abf7-436d-ba8a-ef1ab2560b56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_5e56561d-abf7-436d-ba8a-ef1ab2560b56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_00dce3a6-7bbd-44c9-8ae0-456a66abb8e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_00dce3a6-7bbd-44c9-8ae0-456a66abb8e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfContinuousDaysOfService_2e7061ae-9d68-4d66-840b-e6cd5fd1395a" xlink:href="dgii-20220331.xsd#dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfContinuousDaysOfService"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfContinuousDaysOfService_2e7061ae-9d68-4d66-840b-e6cd5fd1395a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfHoursPerWeekEmployed_72b4fa7c-d085-470b-adb7-cdccf0b3adf7" xlink:href="dgii-20220331.xsd#dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfHoursPerWeekEmployed"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfHoursPerWeekEmployed_72b4fa7c-d085-470b-adb7-cdccf0b3adf7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_82ae9209-f738-425d-b5df-99d96f50a3bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_82ae9209-f738-425d-b5df-99d96f50a3bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod_33d02a45-659f-4dce-97fc-389654bd44e7" xlink:href="dgii-20220331.xsd#dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_dgii_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod_33d02a45-659f-4dce-97fc-389654bd44e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_80810240-ea6f-45c7-a84f-fd94ed1078cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_80810240-ea6f-45c7-a84f-fd94ed1078cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dgii_ShareBasedCompensationEmployeeStockPurchasePlanSharesAvailableForFuturePurchase_f94e8243-bdd6-4453-9b9e-129be6856d6f" xlink:href="dgii-20220331.xsd#dgii_ShareBasedCompensationEmployeeStockPurchasePlanSharesAvailableForFuturePurchase"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_dgii_ShareBasedCompensationEmployeeStockPurchasePlanSharesAvailableForFuturePurchase_f94e8243-bdd6-4453-9b9e-129be6856d6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_f6625dac-5c44-4d38-bf5a-6ce11cbb7c86" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_f6625dac-5c44-4d38-bf5a-6ce11cbb7c86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_2238e976-a786-40fc-84e6-2652e87261b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_2238e976-a786-40fc-84e6-2652e87261b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_e4bff009-0f45-4e9a-8de9-5c577fa1061b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_e4bff009-0f45-4e9a-8de9-5c577fa1061b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0d6da113-231e-46a3-9538-2e6a2d2724b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0d6da113-231e-46a3-9538-2e6a2d2724b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_856cdb09-4246-4c45-9c65-7e6bfe811d70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f6219d1b-8876-425a-86a8-a5ff98ce7802" xlink:to="loc_us-gaap_ProceedsFromStockPlans_856cdb09-4246-4c45-9c65-7e6bfe811d70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#StockBasedCompensationStockBasedCompensationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_33b9db65-4559-4d44-babc-6eb9467dfbe9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_52e3386a-c370-423b-9cdc-5f4ff747d26e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_33b9db65-4559-4d44-babc-6eb9467dfbe9" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_52e3386a-c370-423b-9cdc-5f4ff747d26e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_58b5680a-a296-4812-84e4-e8a8041b8276" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_52e3386a-c370-423b-9cdc-5f4ff747d26e" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_58b5680a-a296-4812-84e4-e8a8041b8276" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_ef2e2688-a94e-40f1-b28b-d20c1da6e64b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_58b5680a-a296-4812-84e4-e8a8041b8276" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_ef2e2688-a94e-40f1-b28b-d20c1da6e64b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_78583a44-997c-4214-82ec-0858581c2aec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfSalesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_ef2e2688-a94e-40f1-b28b-d20c1da6e64b" xlink:to="loc_us-gaap_CostOfSalesMember_78583a44-997c-4214-82ec-0858581c2aec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_c32b9551-6a80-4252-9149-ba8881cb90dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_ef2e2688-a94e-40f1-b28b-d20c1da6e64b" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_c32b9551-6a80-4252-9149-ba8881cb90dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_140a9300-3455-4b8b-84e1-2aee6965c859" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_ef2e2688-a94e-40f1-b28b-d20c1da6e64b" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_140a9300-3455-4b8b-84e1-2aee6965c859" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_67f70e8f-f6a1-4042-9f6b-6752804f7c9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_ef2e2688-a94e-40f1-b28b-d20c1da6e64b" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_67f70e8f-f6a1-4042-9f6b-6752804f7c9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_daebdca4-45bc-4c93-9654-4eafe5c0f979" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_52e3386a-c370-423b-9cdc-5f4ff747d26e" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_daebdca4-45bc-4c93-9654-4eafe5c0f979" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_25e031d2-d739-4661-b5af-0486916e6151" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_daebdca4-45bc-4c93-9654-4eafe5c0f979" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_25e031d2-d739-4661-b5af-0486916e6151" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_cbc696a2-6ce0-4727-ab75-79d66bd497e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_daebdca4-45bc-4c93-9654-4eafe5c0f979" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_cbc696a2-6ce0-4727-ab75-79d66bd497e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_eb7b0bfe-6b7d-4fe6-ab23-1f60bb281824" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_daebdca4-45bc-4c93-9654-4eafe5c0f979" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_eb7b0bfe-6b7d-4fe6-ab23-1f60bb281824" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/StockBasedCompensationOptionsandCommonSharesReservedforGrantDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#StockBasedCompensationOptionsandCommonSharesReservedforGrantDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/StockBasedCompensationOptionsandCommonSharesReservedforGrantDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_bcbc8841-d69b-4304-9072-927362835f06" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_55c816ad-8bc0-4c6a-ae2b-e0381f921b7b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_bcbc8841-d69b-4304-9072-927362835f06" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_55c816ad-8bc0-4c6a-ae2b-e0381f921b7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_4e437be7-f59c-4449-a174-c24f614ad5d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_55c816ad-8bc0-4c6a-ae2b-e0381f921b7b" xlink:to="loc_us-gaap_AwardTypeAxis_4e437be7-f59c-4449-a174-c24f614ad5d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_56203096-6fd6-415e-8f40-b0aeecec9bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_4e437be7-f59c-4449-a174-c24f614ad5d7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_56203096-6fd6-415e-8f40-b0aeecec9bd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_79aef1cc-86e7-4032-b38d-23a4d6938665" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_56203096-6fd6-415e-8f40-b0aeecec9bd7" xlink:to="loc_us-gaap_EmployeeStockOptionMember_79aef1cc-86e7-4032-b38d-23a4d6938665" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_194fd27a-7d97-4a6d-abc7-a99c5462cdfc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_55c816ad-8bc0-4c6a-ae2b-e0381f921b7b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_194fd27a-7d97-4a6d-abc7-a99c5462cdfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_194fd27a-7d97-4a6d-abc7-a99c5462cdfc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_6c785c92-3fe4-4090-aad8-eed9a7e5fe0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_6c785c92-3fe4-4090-aad8-eed9a7e5fe0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_0495d430-eedc-4b6f-a01b-4b4eed3d8a85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_0495d430-eedc-4b6f-a01b-4b4eed3d8a85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_d0925f49-50b5-4ac6-bbe3-0a69918737cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_d0925f49-50b5-4ac6-bbe3-0a69918737cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_687c7ec1-5db1-4ac5-810b-74b7a449e26a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_687c7ec1-5db1-4ac5-810b-74b7a449e26a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a91e4c8d-c2f1-4c48-b61d-ef9df2d50b5e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a91e4c8d-c2f1-4c48-b61d-ef9df2d50b5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_7d3dde75-94f5-48f9-87af-b02da82e3ca9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_3612181e-e891-45e1-8d49-f68ed4961ab2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_7d3dde75-94f5-48f9-87af-b02da82e3ca9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_194fd27a-7d97-4a6d-abc7-a99c5462cdfc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_16fd98d6-2cf0-4b9f-b7c2-44802c87a926" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_16fd98d6-2cf0-4b9f-b7c2-44802c87a926" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_6aca3c2e-4360-4d86-9926-d8aa34b6278a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_6aca3c2e-4360-4d86-9926-d8aa34b6278a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_c4737a81-874b-4349-8a16-db457a85ebfe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_c4737a81-874b-4349-8a16-db457a85ebfe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_e5e2e14a-6f84-4e03-aaa9-a45f23766aa9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_e5e2e14a-6f84-4e03-aaa9-a45f23766aa9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_76c5e9f8-eb37-46ca-b5b9-e300b438121b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_76c5e9f8-eb37-46ca-b5b9-e300b438121b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_74f50b42-3ccd-42d0-831e-120b768a78bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_22baa687-7719-4139-b8a8-bbadda449243" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_74f50b42-3ccd-42d0-831e-120b768a78bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8f2ff54c-6820-4890-8a83-887974a99697" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_194fd27a-7d97-4a6d-abc7-a99c5462cdfc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8f2ff54c-6820-4890-8a83-887974a99697" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_48b3b68d-516d-4d6a-803c-3ea1f0f83929" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8f2ff54c-6820-4890-8a83-887974a99697" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_48b3b68d-516d-4d6a-803c-3ea1f0f83929" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1fdcd9a7-0745-461d-aa92-97eb89fd640a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8f2ff54c-6820-4890-8a83-887974a99697" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1fdcd9a7-0745-461d-aa92-97eb89fd640a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_8ad727e6-c3df-47a0-9e46-f92606bbccb6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8f2ff54c-6820-4890-8a83-887974a99697" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_8ad727e6-c3df-47a0-9e46-f92606bbccb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_c6c890e4-0ab2-4f84-98a7-afa087afbede" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8f2ff54c-6820-4890-8a83-887974a99697" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_c6c890e4-0ab2-4f84-98a7-afa087afbede" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharePrice_f303b3fc-aa66-4a69-882c-dca19fb64bcb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharePrice"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_194fd27a-7d97-4a6d-abc7-a99c5462cdfc" xlink:to="loc_us-gaap_SharePrice_f303b3fc-aa66-4a69-882c-dca19fb64bcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/StockBasedCompensationFairValueAssumptionsDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#StockBasedCompensationFairValueAssumptionsDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/StockBasedCompensationFairValueAssumptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_ddb54140-1baa-4b2a-a7a4-d516f7d6d6b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_f1e25f70-8244-4b29-84d7-be0a34deacbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_ddb54140-1baa-4b2a-a7a4-d516f7d6d6b8" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_f1e25f70-8244-4b29-84d7-be0a34deacbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_cd86ad9f-4377-4c93-98f8-67cf0372ee36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_f1e25f70-8244-4b29-84d7-be0a34deacbb" xlink:to="loc_us-gaap_AwardTypeAxis_cd86ad9f-4377-4c93-98f8-67cf0372ee36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6d4cc2fa-1d0f-4940-890f-d04f4a660e58" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_cd86ad9f-4377-4c93-98f8-67cf0372ee36" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6d4cc2fa-1d0f-4940-890f-d04f4a660e58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_b2d644f5-0986-4d87-8f7b-74506acc0b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6d4cc2fa-1d0f-4940-890f-d04f4a660e58" xlink:to="loc_us-gaap_EmployeeStockOptionMember_b2d644f5-0986-4d87-8f7b-74506acc0b0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_26ce052a-729a-4d95-b840-93ffced2d410" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_f1e25f70-8244-4b29-84d7-be0a34deacbb" xlink:to="loc_srt_RangeAxis_26ce052a-729a-4d95-b840-93ffced2d410" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_77c198a3-1d2c-435e-a8c1-04600a7abb9b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_26ce052a-729a-4d95-b840-93ffced2d410" xlink:to="loc_srt_RangeMember_77c198a3-1d2c-435e-a8c1-04600a7abb9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_94334a28-3242-4f01-af4c-757a3932fcfa" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_77c198a3-1d2c-435e-a8c1-04600a7abb9b" xlink:to="loc_srt_MinimumMember_94334a28-3242-4f01-af4c-757a3932fcfa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_365369ee-d08c-4d03-98a9-b9b80dee6a72" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_77c198a3-1d2c-435e-a8c1-04600a7abb9b" xlink:to="loc_srt_MaximumMember_365369ee-d08c-4d03-98a9-b9b80dee6a72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98749949-2ef9-4644-8b74-4a802bf82f41" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_f1e25f70-8244-4b29-84d7-be0a34deacbb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98749949-2ef9-4644-8b74-4a802bf82f41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_066b894a-ebe6-489e-a157-520bb5b2454a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98749949-2ef9-4644-8b74-4a802bf82f41" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_066b894a-ebe6-489e-a157-520bb5b2454a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98749949-2ef9-4644-8b74-4a802bf82f41" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_535883cf-2011-4726-85ce-fa7b12c0cbc8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_535883cf-2011-4726-85ce-fa7b12c0cbc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_1306177c-40f4-4da1-a7f9-b42d585b0ea4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_1306177c-40f4-4da1-a7f9-b42d585b0ea4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_a2cccd23-342f-466b-a66b-d06d71e9b0f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_a2cccd23-342f-466b-a66b-d06d71e9b0f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_a7c5334d-a2e1-454a-a304-e0a4880443a9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_a7c5334d-a2e1-454a-a304-e0a4880443a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_285b66f5-73b6-414d-ad8c-4226cad1177c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_285b66f5-73b6-414d-ad8c-4226cad1177c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_e26b3edc-db1d-4cf7-ae09-f879bec0c3df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_0edb0637-56e2-4360-ad07-5fb9a3cd9c85" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_e26b3edc-db1d-4cf7-ae09-f879bec0c3df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.digi.com/role/StockBasedCompensationNonVestedOptionsDetails" xlink:type="simple" xlink:href="dgii-20220331.xsd#StockBasedCompensationNonVestedOptionsDetails"/>
  <link:presentationLink xlink:role="http://www.digi.com/role/StockBasedCompensationNonVestedOptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a6e05e3-12b5-438d-bcfa-a60e1819da73" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7457b590-2c25-49a4-b63e-9d822d607000" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1a6e05e3-12b5-438d-bcfa-a60e1819da73" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7457b590-2c25-49a4-b63e-9d822d607000" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_bb3e52aa-e05e-49ef-af06-b46d6c49a876" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7457b590-2c25-49a4-b63e-9d822d607000" xlink:to="loc_us-gaap_AwardTypeAxis_bb3e52aa-e05e-49ef-af06-b46d6c49a876" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1dda05dd-1562-473d-bbe8-682da39e5f77" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_bb3e52aa-e05e-49ef-af06-b46d6c49a876" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1dda05dd-1562-473d-bbe8-682da39e5f77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_90e16a08-05de-4fa1-acaf-60b711e3a6dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1dda05dd-1562-473d-bbe8-682da39e5f77" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_90e16a08-05de-4fa1-acaf-60b711e3a6dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_ecf5afbe-b747-459c-b6e8-6b9135434833" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PerformanceSharesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1dda05dd-1562-473d-bbe8-682da39e5f77" xlink:to="loc_us-gaap_PerformanceSharesMember_ecf5afbe-b747-459c-b6e8-6b9135434833" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0fad34f8-dc5f-44d6-bada-aa0c4aca7460" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7457b590-2c25-49a4-b63e-9d822d607000" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0fad34f8-dc5f-44d6-bada-aa0c4aca7460" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c0412fd3-e329-4b52-9177-1990e22d643e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0fad34f8-dc5f-44d6-bada-aa0c4aca7460" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c0412fd3-e329-4b52-9177-1990e22d643e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_251c7e77-72e0-4fa4-8bb4-4a76c668ff8d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c0412fd3-e329-4b52-9177-1990e22d643e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_251c7e77-72e0-4fa4-8bb4-4a76c668ff8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_5c452f1c-966e-4d52-a21d-dc0456d97edb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c0412fd3-e329-4b52-9177-1990e22d643e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_5c452f1c-966e-4d52-a21d-dc0456d97edb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_7f1701e2-9d45-42fd-a67e-96614bef206d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c0412fd3-e329-4b52-9177-1990e22d643e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_7f1701e2-9d45-42fd-a67e-96614bef206d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_0b233705-ea89-4a27-be0c-069da84f4f07" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c0412fd3-e329-4b52-9177-1990e22d643e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_0b233705-ea89-4a27-be0c-069da84f4f07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_9b6fbdd2-d9fa-4efc-9164-238536304e88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c0412fd3-e329-4b52-9177-1990e22d643e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_9b6fbdd2-d9fa-4efc-9164-238536304e88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_10db412e-8d7b-44e4-ae0c-11b4bd2fb2f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0fad34f8-dc5f-44d6-bada-aa0c4aca7460" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_10db412e-8d7b-44e4-ae0c-11b4bd2fb2f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_0875a329-5477-4fc8-9107-4e7dd71f2aaa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_10db412e-8d7b-44e4-ae0c-11b4bd2fb2f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_0875a329-5477-4fc8-9107-4e7dd71f2aaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_d75f8f3a-da97-4404-bdba-38fa54bdf5f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_10db412e-8d7b-44e4-ae0c-11b4bd2fb2f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_d75f8f3a-da97-4404-bdba-38fa54bdf5f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_1c714aae-b7ba-4ddc-8246-65bcaafd0618" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_10db412e-8d7b-44e4-ae0c-11b4bd2fb2f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_1c714aae-b7ba-4ddc-8246-65bcaafd0618" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_ca22bef5-d56c-461f-b05c-5075b57e8cb0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_10db412e-8d7b-44e4-ae0c-11b4bd2fb2f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_ca22bef5-d56c-461f-b05c-5075b57e8cb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_68bcdb93-14ab-4a34-831a-d641e793721c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_10db412e-8d7b-44e4-ae0c-11b4bd2fb2f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_68bcdb93-14ab-4a34-831a-d641e793721c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
</link:linkbase>
