Appendix B: Port And Cable Assignments; Rj-45 Port; Figure B-1 Rj-45 Connector (On The Hub Side; Table B-1 Rj-45 Pin Assignments - HP AdvanceStack 100Base-T Hub-8TXE Installation And Reference Manual

Appendix B:
Port and Cable Assignments

RJ-45 Port

4,5,7,8
Schematics for both straight and crossover twisted-pair cable are shown below.
Straight-Through
(Hub)
1 IRD+
2 IRD-
3 OTD+
6 OTD-

Figure B-1 RJ-45 Connector (on the Hub Side)

MDI-X Assignment
Pin
(Port 1 ~ 8)
1 Receive Data +
2 Receive Data -
3 Transmit Data +
6 Transmit Data -
Not Used

Table B-1 RJ-45 Pin Assignments

(Adapter)
1 OTD+
2 OTD-
3 IRD+
6 IRD-
Cable and Port Assignments
MDI Assignment
(Cascade Port 8)
Transmit Data +
Transmit Data -
Receive Data +
Receive Data -
Not Used
Crossover
(Hub)
1 IRD+
2 IRD-
3 OTD+
6 OTD-
(Hub)
1 IRD+
2 IRD-
3 OTD+
6 OTD-
B-1