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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
RJ-45(8-Pin)
Pinouts for the RJ-45(8-Pin) Port
1
8
MDI
MDI-X
Pin
1
2
3
6
Singnal
TX+
TX -
RX+
RX -
RX+
RX -
TX+
TX -
Pinout 1: TX+
Pinout 2: RX+
Pinout 3: TX -
Pinout 4: RX -
ISW-800T-M12/ISW-804PT-M12
TX
RX
RX
TX
1
4
2
3
TX+
RX+
TX -
RX -
1
2
3
4
1
2
3
6
TX+
TX -
RX+
RX -
M12(4-Pin, M) to RJ-45(8-Pin) Cross-Over Cable Wiring
Cross-Over Cable Wiring
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