Cisco T1/E1 PRI Crossover cable

Cisco T1/E1 PRI Crossover cable

pin connector A connector B
1 white/orange blue
2 orange white/blue
3 white/green white/green
4 blue white/orange
5 white/blue orange
6 green green
7 white/brown white/brown
8 brown brown

Cisco T1/E1 8P8C connector pinout

pin description
1 RX tip
2 RX ring
3 RX shield
4 TX tip
5 TX ring
6 TX shield
7 not connected
8 not connected