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Appendix A: Networking Connection
A.1 Switch’s RJ-45 Pin Assignments
10/100Mbps, 10/100Base-TX
RJ-45 Connector pin assignment
Contact
MDI Media Dependant
Interface
MDI-X Media Dependant
Interface -Cross
1 Tx + (transmit) Rx + (receive)
2 Tx - (transmit) Rx - (receive)
3 Rx + (receive) Tx + (transmit)
4, 5 Not used
6 Rx - (receive) Tx - (transmit)
7, 8 Not used
A.2 RJ-45 Cable Pin Assignments
TX+
RX+
TX
-
RX
-
1
2
3
4
1
2
3
6
RX+
RX
-
TX+
TX
-
M12(4-Pin, M) to RJ-45(8-Pin) Straight-Trough Cable Wiring
Straight-through Cable Wiring