Cables, Connectors, and Pin Assignments
E-12
9161-A2-GH30-20
September 1997
Voice APM
Cables
This section provides the pin assignments for the FXO, FXS and E&M voice APM
50-pin Amphenol connectors (RJ27X socket), followed by the pin assignments for
the extension cables that can be used with these APMs.
FXO/FXS Voice APM Connector
The FXO/FXS Analog Voice APM uses a single 50-pin connector to provide eight
2-wire interfaces for connecting to analog voice equipment.
FXO/FXS 50-Pin Amphenol Connector
Port
Pin
Signal
1
26
T
1
R
2
29
T
4
R
3
32
T
7
R
4
35
T
10
R
5
38
T
13
R
6
41
T
16
R
7
44
T
19
R
8
47
T
22
R
All other pins are unconnected.