3Com EtherLink 3C509B - RJ-45 Connector Pin Assignments; AUI Connector Pin Assignments; B-1. RJ-45 Connector Pin Assignments

Specifications
B-4
RJ-45 Connector Pin Assignments
Figure B-1 shows the RJ-45 connector pin assignments.
1
2
3
4
5
6
7
8
RD+
TD+
TD–

RD–

1
2
3
4
5
6
7
8
Figure B-1. RJ-45 Connector Pin Assignments
AUI Connector Pin Assignments
Table B-1 lists the pin assignments for the AUI
(attachment unit interface) connector.
Table B-1. AUI Connector Pin Assignments
Pin Function
1 Collision shield
2 Collision +
3 Transmit +
4 Receive shield
Pin Function
5 Receive +
6 Power return
7 Not used
8 Not used