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 - Accton Technology SwitcHub-2s Installation Manual

Appendix B:
Port and Cable Assignments

RJ-45 Port

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

Pin
1
2
3
6
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-
MDI-X Assignment
Station Port 1 ~ 2
Input Receive Data +
Input Receive Data -
Output Transmit Data +
Output Transmit Data -
Not Used

Table B-1 RJ-45 Pin Assignments

(Adapter)
1 OTD+
2 OTD-
3 IRD+
6 IRD-
MDI Assignment
Cascade Port 1 ~ 2
Output Transmit Data +
Output Transmit Data -
Input Receive Data +
Input Receive Data -
Not Used
Crossover
(Hub) (Hub)
1 IRD+ 1 IRD+
2 IRD- 2 IRD-
3 OTD+ 3 OTD+
6 OTD- 6 OTD-
B-1