Exhibit 23.1
                                
                       CONSENT OF INDEPENDENT ACCOUNTANTS
                                


We consent to the incorporation by reference in the Registration Statement of 
Applied Digital Access, Inc. on Form S-8 of our report dated January 23, 1998 
on our audits of the financial statements and financial statement schedule of 
Applied Digital Access, Inc. as of December 31, 1997 and 1996, and for the 
years ended December 31, 1997, 1996 and 1995, which report is included in the 
Annual Report on Form 10-K/A of Applied Digital Access, Inc. for the year 
ended December 31, 1997. 

COOPERS & LYBRAND L.L.P.

San Diego, California 
April 14, 1998