
Page 3 - 4
SECONDARY MEDIA
To connect an AUI cable to your adapter, attach an external
transceiver to the network segment to which the adapter is going
to be attached. Refer to the applicable transceiver manual. Attach
the female end of an AUI cable, no more than 50 meters in length,
to the transceiver.
Attach the male connector on the AUI cable to the adapter’s AUI
port and tighten the securing screws.
3.2.2
AUI Interface
Table 3-1, below lists the AUI connector pins and signals.
3.3
CONNECTING TO A FIBER OPTIC LINK
The physical communication link consists of two fiber optic
strands between the adapter and the other Ethernet fiber optic
device on the link: Transmit (TX) and Receive (RX).
The adapter Tx connects to the Rx of the Ethernet device. The
adapter Rx connects to Tx of the Ethernet device.
Table 3-1. AUI Connector Pinouts
Pin
Signal
Pin
Signal
1
Logic Ground
9
Collision -
2
Col
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