3Com EtherLink 3C590 - AUI Connector Pin Assignments; B-1 RJ-45 Connector Pin Assignments; RJ-45 Connector Pin Assignments

B-2 APPENDIX B: SPECIFICATIONS
RJ-45 Connector Pin Assignments
Figure B-1 shows the RJ-45 connector pin assignments.
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.
RD+
RD–
1
2
3
4
5
12345678
TD+
TD–
6
7
8
Table B-1 AUI Connector Pin Assignments
Pin Function Pin Function
1 Collision shield 9 Collision –
2 Collision + 10 Transmit –
3 Transmit + 11 Transmit shield
4 Receive shield 12 Receive –
5 Receive + 13 +12 volts
6 Power return 14 Voltage shield
7 Not used 15 Not used
8 Not used