Appendix a – cable pin-outs – Multi-Tech Systems MULTIVOIP MVP210/410/810 User Manual
Page 135

Multi-Tech
Systems,
Inc.
135
Appendix A – Cable Pin-outs
Command Cable
RJ-45 Connector
End-to-End Pin Info
1 2 3 4 5 6 7 8
RJ-45 connector plugs into Command Port of MultiVOIP.
DB-9 connector plugs into serial port of command PC (which runs MultiVOIP configuration software).
Ethernet Connector
The functions of the individual conductors of the MultiVOIP’s Ethernet port are shown on a pin-by-pin basis below.
RJ-45 Ethernet Connector
Pin
Circuit Signal Name
1 2 3 4 5 6 7 8
1
TD+ Data Transmit Positive
2
TD- Data Transmit Negative
3
RD+ Data Receive Positive
6
RD- Data Receive Negative
Voice/Fax Channel Connectors
Figure B-1: RJ-48 & RJ-11 Connectors
Pin Functions (E&M Interface)
Pin Description
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