724-746-5500 | blackbox.com

724-746-5500 | blackbox.com Page 55

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
1TX+ White-Green
2TX- Green
3RX+ White-Orange
4Not used Blue
5Not used White-Blue
6RX- Orange
7Not used White-Brown
8Not used Brown