Multi-Tech Systems MULTIVOIP MVP-410ST/810ST - Manual (Page 505)

MultiVOIP User Guide Cable Pinouts
505
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