Appendix B - Cabling Diagrams
Command Port Cable
LAN Cable
Pin
1
2
3
6
Phone Connector
Pin Connections
FXS
2
3
4
5
To Command
Port Connector
Circuit Signal Name
TD+ Data Transmit Positive
TD- Data Transmit Negative
RD+ Data Receive Positive
RD- Data Receive Negative
Description
N/C
Tip
Ring
N/C
RJ-45
DB9F
PIN NO.
PIN NO.
1
4
2
7
3
8
CLEAR TO SEND
4
3
TRANSMIT DATA
5
2
RECEIVE DATA
6
6
7
1
8
5
SIGNAL GROUND
Appendix B - Cabling Diagrams
To DTE
Device
(e.g., PC)
77