Short for Apple Attachment Unit Interface, A
14-position, 0.050-inch-spaced ribbon contact connector.
Except for the pins that supply power, each AAUI signal has the same
description, function, and electrical requirements as the AUI
(Attachment Unit Interface) signal. The AAUI is the Apple standard used
to connect Ethernet
transceivers in early Power Macintosh
and Quadra computers.