EXHIBIT 23.3
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
    We  consent to the inclusion  in this registration statement  on Form S-4 of
our report dated February 12, 1996, except for Note 10, as to which the date  is
May  7, 1996 on our audits of the  financial statements of DiviCom, Inc. We also
consent to the reference to our firm under the caption "Experts."
 
                                          COOPERS & LYBRAND L.L.P.
 
San Jose, California
July 25, 1996