User guide

Appendix A: Cable Pinouts
Multi-Tech Systems, Inc. 119
Voice/Fax Channel Connectors
Figure B-1: RJ-48 & RJ-11 Connectors
Pin Functions (E&M Interface)
Pin Desc
r
iption 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)
Pin Functions (FXS/FXO Interface)
FXS Pin Description FXO Pin Description
2 N/C 2 N/C
3 Ring 3 Tip
4 Tip 4 Ring
5 N/C 5 N/C