Exhibit 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of Penril DataComm Networks, Inc. on Form S-8 of our reports dated October 17, 1995 (February 9, 1996 as to Note 12), appearing in the Annual Report on Form 10-K/A of Penril DataComm Networks, Inc. for the year ended July 13, 1995. \s\Deloitte & Touche, LLP - --------------------------- Deloitte & Touche, LLP Washington, D.C. May 31, 1996