Ethernet Network Adapter Installation Guide

Page 3-10
MAKING NETWORK CONNECTIONS
3.4.2 AUI Interface
Type: 15 position D type receptacle
Pin 1 Logic Ground Pin 9 Collision -
2 Collision + 10 TX -
3 TX + 11 Logic Ground
4 Logic Ground 12 RX -
5 RX + 13 Power (+12 Vdc)
6 Logic Ground 14 Logic Ground
7 No Connection 15 No Connection
8 Logic Ground Shell Protective Ground
3.4.3 AUI Cable Requirements
• Type - The AUI cable connecting the adapter to a transceiver
must be Ethernet Version 1, Version 2, or IEEE 802.3, 10BASE-5
type cable that matches the device attached to the AUI port.
• Length - The AUI cable must not exceed 50 meters (164 feet) if
24 AWG AUI cable is used. If 28 AWG AUI cable is used, then
the maximum cable length is 16 meters (52 feet).