Black Box Modbus Hardened Serial Server, LES431A manual Standard Ethernet Cable RJ-45 Pinout

Appendix B: Connector Pinouts

NOTES:

1.In RS-422 mode, TX lines are outputs and RX lines are inputs. Connect the serial server TXB(+) line to the RXB(+) line of the serial device, and the serial server TXA(-) to the RXA(-) of the serial device.

2.Ground is signal ground and provides a common mode reference for the RS-422 receivers and transmitters.

B.3 Standard Ethernet Cable RJ-45 Pinout

Figure B-3. RJ-45 Ethernet cable pinout.

Table B-3. RJ-45 cable pinout.

RJ-45 Pin	Signal	Wire Color
1	TX+	White-Green
2	TX-	Green
3	RX+	White-Orange
4	Not used	Blue
5	Not used	White-Blue
6	RX-	Orange
7	Not used	White-Brown
8	Not used	Brown

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