POWER OF ATTORNEY

I, Subramanian Krishnan, hereby authorize and designate each
of James E. Nicholson, Keyna P. Skeffington, W. Morgan
Burns and Amy C. Seidel, signing singly, as my true and
lawful attorney-in-fact to:

	(1)	execute for and on my behalf, in my capacity
as an officer and/or director of Digi International Inc. (the
"Company"), Forms 3, 4 and 5 in accordance with Section
16(a) of the Securities Exchange Act of 1934, as
amended (the "Exchange Act"), and the rules and
regulations promulgated thereunder;

	(2)	do and perform any and all acts for and on my
behalf which may be necessary or desirable to complete
and execute any such Form 3, 4 or 5 and timely file
such form with the Securities and Exchange Commission,
any stock exchange or similar authority, and the
National Association of Securities Dealers; and

	(3)	take any other action of any type whatsoever
in connection with the foregoing which, in the opinion
of such attorney-in-fact, may be to my benefit, in my
best interest, or legally required of me, it being
understood that the statements executed by such
attorney-in-fact on my behalf pursuant to this Power of
Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may
approve in such attorney-in-fact's discretion.

I hereby further grant to each such attorney-in-fact
full power and authority to do and perform any and
every act and thing whatsoever requisite, necessary, or
proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and
purposes as I might or could do if personally present,
with full power of substitutes or revocation, hereby
ratifying and confirming all that such attorney-in-
fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by
virtue of this Power of Attorney and the rights and
powers herein granted.  I hereby acknowledge that the
foregoing attorneys-in-fact, in serving in such
capacity at my request, are not assuming, nor is the
Company assuming, any of my responsibilities to comply
with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and
effect until I am no longer required to file Forms 3, 4
and 5 with respect to my holdings of and transactions
in securities issued by the Company, unless earlier
revoked by me in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, I have caused this Power of
Attorney to be duly executed as of this 17th day of
February, 1999.



Subramanian Krishnan