<SEC-DOCUMENT>0001104659-21-069334.txt : 20210519
<SEC-HEADER>0001104659-21-069334.hdr.sgml : 20210519
<ACCEPTANCE-DATETIME>20210519161551
ACCESSION NUMBER:		0001104659-21-069334
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210519
DATE AS OF CHANGE:		20210519
EFFECTIVENESS DATE:		20210519

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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-256288
		FILM NUMBER:		21940472

	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>S-8
<SEQUENCE>1
<FILENAME>tm2115777d1_s8.htm
<DESCRIPTION>FORM S-8
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">As filed with the Securities and Exchange Commission
on May&nbsp;19, 2021.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 7.25in; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Registration No.&nbsp; 333-</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Washington, DC 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM&nbsp;S-8</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>REGISTRATION STATEMENT UNDER THE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>Securities
Act of 1933</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><IMG SRC="tm2115777d1_s8img001.jpg" ALT=""><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>DIGI INTERNATIONAL INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of Registrant as specified in its charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Delaware</B></FONT></TD>
    <TD STYLE="width: 2%; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 49%; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>41-1532464</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(State or other jurisdiction of incorporation or organization)</FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(I.R.S. Employer Identification No.)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9350 Excelsior Blvd., Suite&nbsp;700<BR>
Hopkins, Minnesota</B></FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>55343</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Address of principal executive offices)</FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Zip Code)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>DIGI INTERNATIONAL INC.<BR>
2021 OMNIBUS INCENTIVE PLAN</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Full title of the plan)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>James J. Loch</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Senior Vice President, Chief Financial Officer
and Treasurer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Digi International Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>9350 Excelsior Blvd., Suite&nbsp;700</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Hopkins, Minnesota 55343</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name and address of agent for service)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(952) 912-3444</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Telephone number, including area code, of agent
for service)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Indicate by check mark whether the registrant is a large accelerated
filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of
 &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo; &ldquo;smaller reporting company,&rdquo; and &ldquo;emerging growth
company&rdquo; in Rule&nbsp;12b-2 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">Large accelerated
filer </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT> Accelerated filer <FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT> Non-accelerated
filer <FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT> Smaller reporting company <FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT> Emerging
growth company <FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">If an emerging
growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any
new or revised financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B)&nbsp;of the Securities Act. </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Calculation of Registration Fee</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 36%; border-top: Black 2.25pt double; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title of securities to&nbsp;be&nbsp;registered</FONT></TD>
    <TD STYLE="width: 16%; border-top: Black 2.25pt double; border-bottom: Black 1pt solid; border-left: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount to be registered&nbsp;<SUP>(1)(2)(3)</SUP></FONT></TD>
    <TD STYLE="width: 16%; border-top: Black 2.25pt double; border-bottom: Black 1pt solid; border-left: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Proposed maximum offering price per&nbsp;share&nbsp;<SUP>(4)</SUP></FONT></TD>
    <TD STYLE="width: 16%; border-top: Black 2.25pt double; border-bottom: Black 1pt solid; border-left: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Proposed maximum aggregate offering&nbsp;price&nbsp;<SUP>(4)</SUP></FONT></TD>
    <TD STYLE="width: 16%; border-top: Black 2.25pt double; border-bottom: Black 1pt solid; border-left: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount of registration&nbsp;fee </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 3px double"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Common Stock, $.01 par value per share</FONT></TD>
    <TD STYLE="border-bottom: Black 3px double; border-left: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,400,000 </FONT><FONT STYLE="font-size: 10pt">shares</FONT></TD>
    <TD STYLE="border-bottom: Black 3px double; border-left: Black 1pt solid; text-align: center">$17.655</TD>
    <TD STYLE="border-bottom: Black 3px double; border-left: Black 1pt solid; text-align: center">$24,717,000</TD>
    <TD STYLE="border-bottom: Black 3px double; border-left: Black 1pt solid; text-align: center">$2,696.63</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">(1)</TD><TD>As described in the Explanatory Note in this registration statement, the number of shares of common stock, $.01 par value per share
(&ldquo;<U>Common Stock</U>&rdquo;), registered hereby consists of 1,400,000 shares being registered for the first time pursuant to the
Digi International Inc. 2021 Omnibus Incentive Plan.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">(2)</TD><TD>Pursuant to Rule&nbsp;416 under the Securities Act of 1933, as amended (the &ldquo;<U>Securities Act</U>&rdquo;), this Registration
Statement includes an indeterminate number of additional shares as may be issuable as a result of a stock split, stock dividend or similar
adjustment of the outstanding Common Stock of the Registrant.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">(3)</TD><TD>Associated with the Common Stock of the Registrant are preferred share purchase rights that will not be exercisable or evidenced separately
from the Common Stock prior to the occurrence of certain events.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif">(4)</FONT></TD><TD><FONT STYLE="font-family: Times New Roman, Times, Serif">Estimated solely for the purpose of calculating the amount of the registration
fee pursuant to Rule&nbsp;457(h)&nbsp;under the Securities Act, based on the average of the high and low sales prices per share of the
Registrant&rsquo;s Common Stock on May&nbsp;14, 2021</FONT>, as reported on the Nasdaq Stock Market.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>DIGI INTERNATIONAL INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXPLANATORY NOTE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On January&nbsp;29, 2021 (the
 &ldquo;<U>Effective Date</U>&rdquo;), the stockholders of Digi International Inc. (the &ldquo;<U>Company</U>&rdquo;) approved the Company&rsquo;s
202 Omnibus Incentive Plan (the &ldquo;<U>2021 Plan</U>&rdquo;). As provided in the 2021 Plan, 1,400,000 shares of common stock, par value
$.01 per share (&ldquo;<U>Common Stock</U>&rdquo;), are available for issuance under the 2021 Plan. In addition, the number of shares
of Common Stock available for issuance under the 2021 Plan will be increased by the number of shares subject to awards that expire, are
forfeited, or are settled in cash (made under the 2021 Plan or that were outstanding under the Company&rsquo;s 2020 Omnibus Incentive
Plan, as approved January&nbsp;29, 2020 (the &ldquo;<U>2020 Plan</U>&rdquo;), the Company&rsquo;s 2019 Omnibus Incentive Plan, as approved
February&nbsp;4, 2019 (the &ldquo;<U>2019 Plan</U>&rdquo;), the Company&rsquo;s 2018 Omnibus Incentive Plan, as approved January&nbsp;29,
2018 (the &ldquo;<U>2018 Plan</U>&rdquo;), the Company&rsquo;s 2017 Omnibus Incentive Plan, as approved January&nbsp;30, 2017 (the &ldquo;<U>2017
Plan</U>&rdquo;), the Company&rsquo;s 2016 Omnibus Incentive Plan, as approved February&nbsp;1, 2016 (the &ldquo;<U>2016 Plan</U>&rdquo;),
the Company&rsquo;s 2014 Omnibus Incentive Plan, as approved January&nbsp;27, 2014 (the &ldquo;<U>2014&nbsp;Plan</U>&rdquo;), the Company&rsquo;s
2013 Omnibus Stock Plan, as approved January&nbsp;28, 2013 (the &ldquo;<U>2013 Plan</U>&rdquo;), or the Company&rsquo;s 2000 Omnibus Stock
Plan, as amended and restated December&nbsp;4, 2009 (the &ldquo;<U>2000 Plan</U>&rdquo;, and together with the 2020 Plan, the 2019 Plan,
the 2018 Plan, the 2017 Plan, the 2016 Plan, the 2014 Plan and the 2013 Plan, the &ldquo;<U>Prior Plans</U>&rdquo;)) that expire, are
forfeited, or are settled in cash. The Company&rsquo;s authority to grant new awards under the 2020 Plan terminated upon stockholder approval
of the 2021 Plan on the Effective Date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
purpose of this registration statement is to register the </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">1,400,000 </FONT>shares
being registered for the first time pursuant to the 2021 Plan. Additional shares of Common Stock registered under the Prior Plans may
become available for future grants under the 2021 Plan if awards made under the Prior Plans that were outstanding on the Effective Date
expire, are forfeited, or are settled in cash. Such shares may be registered for issuance under the 2021 Plan pursuant to subsequent registration
statements.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PART&nbsp;I</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION REQUIRED IN THE SECTION&nbsp;10(a)&nbsp;PROSPECTUS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
information specified in Part&nbsp;I of Form&nbsp;S-8 is not required to be filed with the Commission either as part of this Registration
Statement or as prospectuses or prospectus supplements pursuant to the introductory Note to Part&nbsp;I of Form&nbsp;S-8 and Rule&nbsp;424
under the Securities Act. The information required in the Section&nbsp;10(a)&nbsp;prospectus is included in the documents being maintained
and delivered by </FONT>the Company as required by Part&nbsp;I of Form&nbsp;S-8 and by Rule&nbsp;428 under the Securities Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PART&nbsp;II</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 3.</B></FONT></TD><TD STYLE="text-align: justify"><B>Incorporation of Documents by Reference.</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The following documents of
the Company, filed with the Commission pursuant to the Securities Exchange Act of 1934, as amended (the &ldquo;<U>Exchange Act</U>&rdquo;),
are, as of their respective dates, incorporated herein by reference and made a part hereof:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(1)</TD><TD STYLE="text-align: justify">The <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/854775/000085477520000032/dgii-20200930.htm" STYLE="-sec-extract: exhibit">Annual Report on Form&nbsp;10-K of the Company for the fiscal year ended September&nbsp;30, 2020</A> <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/854775/000085477520000032/dgii-20200930.htm" STYLE="-sec-extract: exhibit">(File No.&nbsp;1-34033)</A>, which incorporates by reference certain portions of the Company&rsquo;s <A HREF="https://www.sec.gov/Archives/edgar/data/854775/000104746920005721/a2242746zdef14a.htm" STYLE="-sec-extract: exhibit">definitive proxy statement for its 2021 Annual Meeting of Stockholders;</A></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(2)</TD><TD STYLE="text-align: justify">All other reports filed pursuant to Section&nbsp;13(a)&nbsp;or 15(d)&nbsp;of the Exchange Act since the
end of the fiscal year covered by the Annual Report referred to in (1)&nbsp;above (other than information deemed to have been &ldquo;furnished&rdquo;
rather than &ldquo;filed&rdquo; in accordance with the Commission&rsquo;s rules);</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(3)</TD><TD STYLE="text-align: justify">The descriptions of the Company&rsquo;s Common Stock and Purchase Rights contained in registration statements
filed pursuant to the Exchange Act, together with any amendments or reports filed for the purpose of updating those descriptions.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">All reports and other documents
filed by the Company pursuant to Sections&nbsp;13(a), 13(c), 14 or 15(d)&nbsp;of the Exchange Act subsequent to the date of this Registration
Statement and prior to the filing of a post-effective amendment that indicates that all of the securities offered have been sold or that
deregisters all securities then remaining unsold shall be deemed to be incorporated by reference in and a part of this Registration Statement
from the date of filing of such documents.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Any statement contained in
a document incorporated, or deemed to be incorporated, by reference herein shall be deemed to be modified or superseded for purposes of
this Registration Statement to the extent that a statement contained herein or incorporated herein by reference or in any other subsequently
filed document that also is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 4.</B></FONT></TD><TD STYLE="text-align: justify"><B>Description of Securities.</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Not Applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 5.</B></FONT></TD><TD STYLE="text-align: justify"><B>Interests of Named Experts and Counsel.</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Not Applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 6.</B></FONT></TD><TD STYLE="text-align: justify"><B>Indemnification of Directors and Officers.</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Under Delaware law, a corporation
may indemnify any person who was or is a party or is threatened to be made a party to an action (other than an action by or in the right
of the corporation) by reason of the fact that the person is or was a director, officer, employee or agent of the corporation, or is or
was serving at the corporation&rsquo;s request, as a director, officer, employee or agent of another corporation or other enterprise,
against expenses (including attorneys&rsquo; fees) that are actually and reasonably incurred by the person (&ldquo;<U>Expenses</U>&rdquo;),
and judgments, fines and amounts paid in settlement that are actually and reasonably incurred by the person, in connection with the defense
or settlement of such action, provided that the person acted in good faith and in a manner the person reasonably believed to be in or
not opposed to the corporation&rsquo;s best interests, and, with respect to any criminal action or proceeding, had no reasonable cause
to believe that his conduct was unlawful. Although Delaware law permits a corporation to indemnify any person referred to above against
Expenses in connection with the defense or settlement of an action by or in the right of the corporation, provided that the person acted
in good faith and in a manner the person reasonably believed to be in or not opposed to the corporation&rsquo;s best interests, if such
person has been judged liable to the corporation, indemnification is only permitted to the extent that the Court of Chancery (or the court
in which the action was brought) determines that, despite the adjudication of liability, such person is entitled to indemnity for such
Expenses as the court deems proper. The General Corporation Law of the State of Delaware also provides for mandatory indemnification of
any director or officer against Expenses to the extent such person has been successful in any proceeding covered by the statute. In addition,
the General Corporation Law of the State of Delaware provides the general authorization of advancement of a director&rsquo;s or officer&rsquo;s
litigation Expenses in lieu of requiring the authorization of such advancement by the board of directors in specific cases, and that indemnification
and advancement of Expenses provided by the statute shall not be deemed exclusive of any other rights to which those seeking indemnification
of Expenses may be entitled under any bylaw, agreement or otherwise.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Article&nbsp;V of the By-Laws
of the Company and indemnification agreements with directors and officers of the Company provide for the broad indemnification of the
directors and officers of the Company and for advancement of litigation Expenses to the fullest extent required or permitted by current
Delaware law.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The Company maintains a director
and officer liability insurance policy that reimburses the Company for Expenses that it may incur in conjunction with the foregoing indemnity
provisions and that may provide direct indemnification to officers and directors where the Company is unable to do so.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The Certificate of Incorporation
of the Company eliminates the personal liability of a director to the Company or its stockholders for monetary damages for breach of
fiduciary duty as a director, except under certain circumstances involving certain wrongful acts such as breach of a director&rsquo;s
duty of loyalty, acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, for any unlawful
acts under Section&nbsp;174 of the General Corporation Law of the State of Delaware, or for any transaction from which a director derives
an improper personal benefit.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 7.</B></FONT></TD><TD STYLE="text-align: justify"><B>Exemption from Registration Claimed.</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Not Applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 8.</B></FONT></TD><TD STYLE="text-align: justify"><B>Exhibits.</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; width: 10%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exhibit</FONT></TD>
    <TD STYLE="width: 1%; text-align: center">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; width: 66%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Description</FONT></TD>
    <TD STYLE="width: 1%; text-align: center">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 22%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Method of Filing</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0.25in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4(a)</FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restated Certificate of Incorporation of the Company, as amended (incorporated herein by reference to Exhibit&nbsp;3(a)&nbsp;to the Company&rsquo;s Form&nbsp;10-K for the year ended September&nbsp;30, 1993).</FONT></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incorporated by Reference</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0.25in; text-align: left"><A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465920054438/tm2018116d1_ex3-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4(b)</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465920054438/tm2018116d1_ex3-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amended and Restated By-Laws of the Company (incorporated by reference to Exhibit&nbsp;3.1 to the Company&rsquo;s current report on Form&nbsp;8-K filed April&nbsp;30, 2020).</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465920054438/tm2018116d1_ex3-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incorporated by Reference</FONT></A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0.25in; text-align: left"><A HREF="tm2115777d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="tm2115777d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Opinion of Faegre Drinker Biddle&nbsp;&amp; Reath LLP </FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="tm2115777d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed Electronically</FONT></A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0.25in; text-align: left"><A HREF="tm2115777d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">23(a)</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="tm2115777d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consent of Faegre Drinker Biddle&nbsp;&amp; Reath LLP</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="tm2115777d1_ex5.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contained in Exhibit&nbsp;5</FONT></A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0.25in; text-align: left"><A HREF="tm2115777d1_ex23-b.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">23(b)</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="tm2115777d1_ex23-b.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consent of Grant Thornton LLP</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="tm2115777d1_ex23-b.htm"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed Electronically</FONT></A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0.25in; text-align: left"><A HREF="#S_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">24</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="#S_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Powers of Attorney</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="#S_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Included with signatures</FONT></A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0.25in; text-align: left"><A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465921012288/tm215266d1_10-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">99(a)</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465921012288/tm215266d1_10-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Digi International Inc. 2021 Omnibus Incentive Plan (incorporated by reference to Exhibit&nbsp;10.1 to the Company&rsquo;s Current Report on Form&nbsp;8-K filed February&nbsp;4, 2021).</FONT></A></TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/854775/000110465921012288/tm215266d1_10-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incorporated by Reference</FONT></A></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item 9.</B></FONT></TD><TD STYLE="text-align: justify"><B>Undertakings.</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A.</FONT></TD><TD STYLE="text-align: justify">The Company hereby undertakes:</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</FONT></TD><TD STYLE="text-align: justify">To file, during any period in which offers or sales are being
made, a post-effective amendment to this Registration Statement:</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(i)</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>To
include any prospectus required by Section&nbsp;10(a)(3)&nbsp;of the Securities Act of 1933;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(ii)</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>To
reflect in the prospectus any facts or events arising after the effective date of the Registration Statement (or the most recent post-effective
amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the Registration
Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities
offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range
may be reflected in the form of prospectus filed with the Commission pursuant to Rule&nbsp;424(b)&nbsp;if, in the aggregate, the changes
in volume and price represent no more than 20 percent change in the maximum aggregate offering price set forth in the &ldquo;Calculation
of Registration Fee&rdquo; table in the effective Registration Statement;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(iii)</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>To
include any material information with respect to the plan of distribution not previously disclosed in the Registration Statement or any
material change to such information in the Registration Statement;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>provided</I></FONT>,
<I>however</I>, that paragraphs (A)(1)(i)&nbsp;and (A)(1)(ii)&nbsp;above do not apply if the Registration Statement is on Form&nbsp;S-8,
and the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished
to the Commission by the Company pursuant to Section&nbsp;13 or Section&nbsp;15(d)&nbsp;of the Securities Exchange Act of 1934 that are
incorporated by reference in the Registration Statement; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>That,
for the purpose of determining any liability under the Securities Act of 1933, each such post-effective amendment shall be deemed to be
a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed
to be the initial <I>bona fide</I> offering thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>To
remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination
of the offering.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">B.</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
Company hereby undertakes that, for purposes of determining any liability under the Securities Act of 1933, each filing of the Company&rsquo;s
annual report pursuant to Section&nbsp;13(a)&nbsp;or 15(d)&nbsp;of the Securities Exchange Act of 1934 (and, where applicable, each filing
of an employee benefit plan&rsquo;s annual report pursuant to Section&nbsp;15(d)&nbsp;of the Securities Exchange Act of 1934) that is
incorporated by reference in the Registration Statement shall be deemed to be a new registration statement relating to the securities
offered herein, and the offering of such securities at that time shall be deemed to be the initial <I>bona fide</I> offering thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">C.</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Insofar
as indemnification for liabilities arising under the Securities Act of 1933 may be permitted to directors, officers and controlling persons
of the Company pursuant to the foregoing provisions, or otherwise, the Company has been advised that in the opinion of the Securities
and Exchange Commission such indemnification is against public policy as expressed in the Act and is, therefore, unenforceable. In the
event that a claim for indemnification against such liabilities (other than the payment by the Company of expenses incurred or paid by
a director, officer or controlling person of the Company in the successful defense of any action, suit or proceeding) is asserted by
such director, officer or controlling person in connection with the securities being registered, the Company will, unless in the opinion
of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the Act and will be governed by the final adjudication of such issue.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><A NAME="S_001"></A>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to the requirements of the Securities Act of 1933, the Company certifies that it has reasonable grounds to believe that it meets all of
the requirements for filing on Form&nbsp;S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the city of Hopkins, State of Minnesota, on </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;19,
2021</FONT>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-variant: small-caps">DIGI INTERNATIONAL INC.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 49%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 46%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Ronald E. Konezny</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ronald E. Konezny</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>&nbsp;</I></FONT></TD>
    <TD><I>&nbsp;</I></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>&nbsp;</I></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>President
    and Chief Executive Officer</I></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">We, the undersigned officers
and directors of Digi International Inc., hereby severally constitute Ronald E. Konezny and James J. Loch, and each of them singly, as
true and lawful attorneys with full power to them, and each of them singly, to sign for us and in our names, in the capacities indicated
below the registration statement filed herewith and any amendments to said registration statement, and generally to do all such things
in our name and behalf in our capacities as officers and directors to enable Digi International Inc. to comply with the provisions of
the Securities Act of 1933 and all requirements of the Securities and Exchange Commission, hereby ratifying and confirming our signatures
as they may be signed by our said attorneys, or any of them, to said registration statement and any and all amendments thereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities
indicated on </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;19, 2021</FONT>:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0in; text-align: center; width: 32%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><U>Signature</U></B></FONT></TD>
    <TD STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: center; width: 42%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><U>Title</U></B></FONT></TD>
    <TD STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; width: 22%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></TD></TR>
  <TR>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0in; text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Ronald E. Konezny</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">President, Chief Executive
    Officer and Director</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ronald
    E. Konezny</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>(Principal
    Executive Officer)</I></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    James J. Loch</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Senior Vice President,
    Chief Financial Officer and Treasurer</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">James
    J. Loch</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: -0.125in; padding-left: 0.25in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>(Principal
    Financial and Accounting Officer)</I></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Christopher D. Heim</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Christopher
    D. Heim</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Spiro C. Lazarakis</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Spiro
    C. Lazarakis</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Hatem H. Naguib</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Hatem
    H. Naguib</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Satbir Khanuja, Ph.D.</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director and Non-Executive
    Chairman of the Board </FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Satbir
    Khanuja, Ph.D</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Sally J. Smith</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.1in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sally
    J. Smith</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-indent: -0.125in; padding-left: 0.125in; font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  </TABLE>
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<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>2
<FILENAME>tm2115777d1_ex5.htm
<DESCRIPTION>EXHIBIT 5
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT><B><U>Exhibit&nbsp;5</U></B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">May&nbsp;19, 2021</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Digi International Inc.<BR>
9350 Excelsior Blvd., Suite&nbsp;700<BR>
Hopkins, Minnesota 55343</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Ladies and Gentlemen:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">In connection with the proposed
registration under the Securities Act of 1933, as amended (the &ldquo;<U>Act</U>&rdquo;), of shares of Common Stock of Digi International
Inc., a Delaware corporation (the &ldquo;<U>Company</U>&rdquo;), offered and to be offered pursuant to the Digi International Inc. 2021
Omnibus Incentive Plan (the &ldquo; <U>2021 Plan</U>&rdquo;), we have examined the Company&rsquo;s Restated Certificate of Incorporation,
as amended, its Amended and Restated By-Laws and such other documents, including the Registration Statement on Form&nbsp;S-8 of even date
herewith, to be filed with the Securities and Exchange Commission (the &ldquo;<U>Commission</U>&rdquo;) relating to such shares (the &ldquo;<U>Registration
Statement</U>&rdquo;), and have reviewed such matters of law as we have deemed necessary for this opinion.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Accordingly, based upon the foregoing, we are
of the opinion that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
Company has duly authorized the issuance of the shares of Common Stock which may be issued pursuant to the 2021 Plan.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
shares which may be issued pursuant to the 2021 Plan will be, upon issuance in accordance with the respective plan, validly issued and
outstanding and fully paid and nonassessable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">We consent to the filing of
this opinion as an exhibit to the Registration Statement and the reference to our firm in the Registration Statement. In giving this consent,
we do not thereby admit that we are in the category of persons whose consent is required under Section&nbsp;7 of the Act or the rules&nbsp;and
regulations of the Commission.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">This opinion is furnished
to you in connection with the filing of the Registration Statement, and is not to be used, circulated, quoted or otherwise relied upon
for any other purpose.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">Very truly yours,</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">FAEGRE DRINKER BIDDLE&nbsp;&amp; REATH LLP</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif">/s/ Joshua L. Colburn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 49%">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2%">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 3%">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 46%">Joshua L. Colburn</TD></TR>
  </TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in"></P>



<P STYLE="margin: 0"></P>

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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.(B)
<SEQUENCE>3
<FILENAME>tm2115777d1_ex23-b.htm
<DESCRIPTION>EXHIBIT 23.(B)
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="text-align: right; margin: 0"><B><U>Exhibit&nbsp;23(b)</U></B></P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><U>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING
FIRM</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">We have issued our reports dated November&nbsp;25,
2020, with respect to the consolidated financial statements and internal control over financial reporting of Digi International Inc. included
in the Annual Report on Form&nbsp;10-K for the year ended September&nbsp;30, 2020, which are incorporated by reference in this Registration
Statement. We consent to the incorporation by reference of the aforementioned reports in this Registration Statement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ GRANT THORNTON LLP</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Minneapolis, Minnesota</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">May&nbsp;19, 2021</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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