PRI/BRI Trunk Port Pinout
A straight RJ45 cable is used to connect from IP Office BRI/PRI trunk ports to the line providers network termination equipment. If that equipment does not use RJ45 sockets, the cable may need to be stripped and rewired or an alternate cable used. The appropriate signal pin-outs and wire colours are detailed below.
IP Office RJ45
BRI PRI Signal Signal 1 - RX-A 2 - RX-B 3 TX-A - 4 RX-A TX-A 5 RX-B TX-B 6 TX-B - 7 - - 8 - -
Network Termination RJ45
Wire T-568B 1 White/Orange 2 Orange/White 3 White/Green 4 Blue/White 5 White/Blue 6 Green/White 7 White/Brown 8 Brown/White
PRI/BRI Daughter Card LED status