EXHIBIT 32

SECTION 1350 CERTIFICATION

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned certifies that this periodic report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in this periodic report fairly presents, in all material respects, the financial condition and results of operations of Digi International Inc.

/s/ Joseph T. Dunsmore  

Joseph T. Dunsmore  

President, Chief Executive Officer, and Chairman 

/s/ Subramanian Krishnan  

Subramanian Krishnan 

Senior Vice President, Chief Financial Officer and Treasurer