Appendix A - Cable Pin-Outs - Multitech MultiVOIP MVP210 User Manual

Appendix A – Cable Pin-outs
Command Cable
RJ-45 Connector
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
Voice/Fax Channel Connectors
Multi-Tech Systems, Inc.
Pin Circuit Signal Name
1 TD+ Data Transmit Positive
2 TD- Data Transmit Negative
3 RD+ Data Receive Positive
6 RD- Data Receive Negative
Figure B-1: RJ-48 & RJ-11 Connectors
Pin Functions (E&M Interface)
Pin Description
1 M
2 E
3 T1
4 R
5 T
6 R1
7 SG
8 SB
Pin Functions (FXS/FXO Interface)
FXS Pin Description
2 N/C
3 Ring
4 Tip
5 N/C
End-to-End Pin Info
Function
Input
Output
4-Wire Output
4-Wire Input, 2-Wire Input
4-Wire Input, 2-Wire Input
4-Wire Output
Signal Ground (Output)
Signal Battery (Output)
FXO Pin Description
2 N/C
3 Tip
4 Ring
5 N/C
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