J20 | Modem Fault Monitor - Comtech EF Data Radyne RCS20 Installation And Operation Manual

RCS20 M:N Redundancy Switch
Electrical Interfaces
5.4.2.3

J20 | MODEM FAULT MONITOR

The J20 | MODEM FAULT MONITOR port is a 15-pin High-Density Female Type 'D'
Connector for connecting prime modems 1 through 9 and backup modem 1 alarm ports for fault
monitoring. See Table 5-23 for pinouts.
Table 5-23. J20 | MODEM FAULT MONITOR Port 15-pin High-Density Female Type 'D'
Pin Number
10
11
12
13
14
15
1 Prime Modem 1 Fault
2 Prime Modem 2 Fault
3 Prime Modem 3 Fault
4 Prime Modem 4 Fault
5 Prime Modem 5 Fault
6 Prime Modem 6 Fault
7 Prime Modem 7 Fault
8 Prime Modem 8 Fault
9 Prime Modem 9 Fault
Backup Modem 1 Fault
Connector
Signal Name
No Connection
No Connection
No Connection
No Connection
Ground
5–27
Rev. 14
MN-RCS20
Direction
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