# Apple AUI (AAUI)

0.050-inch-spaced ribbon contact connector.

Pin | Name | Description
--- | --- | ---
1 | FN Pwr | Power (+12V @ 2.1W or +5V @ 1.9W)
2 | DI-A | Data In circuit A
3 | DI-B | Data In circuit B
4 | VCC | Voltage Common
5 | CI-A | Control In circuit A
6 | CI-B | Control In circuit B
7 | +5V | +5 volts (from host)
8 | +5V | Secondary +5 volts (from host)
9 | DO-A | Data Out circuit A
10 | DO-B | Data Out circuit B
11 | VCC | Secondary Voltage Common
12 | NC | Reserved
13 | NC | Reserved
14 | FN Pwr | Secondary +12V @ 2.1W or +5V @ 1.9W
Shell | Protective Gnd | Protective Ground

Available on Macintosh Quadra computers, Apple Ethernet NB Card, and LaserWriter IIg printers?

Contributor: Joakim Ögren

Source:
Apple Tech Info Library 8863 at Apple TIL homepage

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07