attachment unit interface

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

Attachment Unit Interface

   <networking> (AUI) The part of the {IEEE} {Ethernet}
   {standard} located between the {MAC}, and the {MAU}.  The AUI
   is a {transceiver} cable that provides a path between a
   {node}'s Ethernet interface and the MAU.

   (1996-12-08)