user network interface

from The Free On-line Dictionary of Computing (8 July 2008)

User Network Interface

   <communications, networking> (UNI) An interface point between
   {ATM} end users and a private {ATM switch}, or between a
   private ATM switch and the {public carrier} ATM network.

   The physical and {protocol} specifications for UNIs are
   defined by the {ATM Forum}'s UNI documents, which allow for
   various types of physical interfaces.

   See also: {NNI}

   (1999-01-23)