    <SEC-DOCUMENT>0001104659-21-150514-index.html : 20211216
    <SEC-HEADER>0001104659-21-150514.hdr.sgml : 20211216
    <ACCEPTANCE-DATETIME>20211216160608
    ACCESSION NUMBER:		0001104659-21-150514
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20220128
    FILED AS OF DATE:		20211216
    DATE AS OF CHANGE:		20211216

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DIGI INTERNATIONAL INC
    		CENTRAL INDEX KEY:			0000854775
    		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
    		IRS NUMBER:				411532464
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34033
    		FILM NUMBER:		211497863

    	BUSINESS ADDRESS:
    		STREET 1:		9350 EXCELSIOR BLVD.
    		STREET 2:		SUITE 700
    		CITY:			HOPKINS
    		STATE:			MN
    		ZIP:			55343
    		BUSINESS PHONE:		(952) 912-3444

    	MAIL ADDRESS:
    		STREET 1:		9350 EXCELSIOR BLVD.
    		STREET 2:		SUITE 700
    		CITY:			HOPKINS
    		STATE:			MN
    		ZIP:			55343
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>tm2135501-1_def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: tm2135501-1_def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>lg_digir-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: lg_digir-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>sg_davidsampsell-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: sg_davidsampsell-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>sg_satbirkhanuja-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: sg_satbirkhanuja-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tm2135501d1-bc_returnbw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: tm2135501d1-bc_returnbw.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>tm2135501d1-pxy_proxy1bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm2135501d1-pxy_proxy1bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>tm2135501d1-pxy_proxy2bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: tm2135501d1-pxy_proxy2bw.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>