User`s guide

Pin Assignments
B-2
5100-A2-GB22-00December 1996
Ethernet Interface
Table B-2 defines the pinouts for the Ethernet connector. It is an 8-pin,
non-keyed, modular-jack female connector.
Table B-2. Ethernet Pin Assignments
Pin# Use
1 TX Data +
2 TX Data –
3 RX Data +
4 NC
5 NC
6 RX Data –
7 NC
8 NC
NC = Not connected (unused).
Ethernet Loopback Cable
To make an Ethernet Loopback cable, refer to Ethernet Pin Assignments,
Table B-2, and do the following at the opposite end of the 8-pin connector:
1. Connect Pin 1 (TX Data +) to Pin 3 (RX Data +)
2. Connect Pin 2 (TX Data –) to Pin 6 (RX Data –)