Cable Pinouts MultiVOIP User Guide
354
T1/E1 Connector
T1/E1 Connector
1 2 3 4 5 6 7 8
Transmit Pair (to line)
}4
5
Receive Pair (from line)
}1
2
Voice/Fax Channel Connectors
1 2 3 4 5 6 7 8 1 2 3 4
Pin Functions (E&M Interface)
Pin Descr Function
1 M Input
2 E Output
3 T1 4-Wire Output
4 R 4-Wire Input, 2-Wire Input
5 T 4-Wire Input, 2-Wire Input
6 R1 4-Wire Output
7 SG Signal Ground (Output)
8 SB Signal Battery (Output)