User guide

AUI Pin Assignments
Ethernet Switch Module User Guide Page B-5
B.3.2 Straight-Through Wiring
If the UTP link segment is to join two ports and only one of the ports has
an internal crossover, the two pairs of wires must be straight-through, as
shown below.
B.4 AUI PIN ASSIGNMENTS
Table B-9 Straight-Through RJ45 Pin Assignments
Hub Device
1 (Tx+) 3 (Tx+)
2 (Tx–) 6 (Tx–)
3 (Rx+) 1 (Rx+)
6 (Rx–) 2 (Rx–)
Table B-10 AUI Pin Assignments
Pin Circuit Signal Name
3 DO-A Data Out Circuit A
10 DO-B Data Out Circuit B
11 DO-S Data Out Circuit Shield
5 DI-A Data In Circuit A
12 DI-B Data In Circuit B
4 DI-S Data In Circuit Shield
8 CO-S Control Out Circuit Shield
2 CI-A Control In Circuit A
9 CI-B Control In Circuit B
1 CI-S Control In Circuit Shield
6 VC Voltage Common
13 VP Voltage Plus