Comtech EF Data RCS20 - Manual (Page 123)

RCS20 M:N Redundancy Switch Revision 15
Electrical Interfaces MN-RCS20 and CD-RCS20
5–23
5.4 DDS-20 GigE (10/100/1000 Ethernet) Backup Switch
5.4.1 DDS-20 – GigE Switch Front Panel Connectors
Figure 5-13 DDS GigE Switch – Front Panel Connectors
5.4.1.1 J1 | CH1 DATA IN through J9 | CH 9 DATA IN
The J1 | CH1 DATA IN through J9 | CH9 DATA IN ports are RJ-45, 10/100/1000 Ethernet Data ports for
connecting channels 1 through 9.
5.4.2 DDS-20 – GigE Switch Back Panel Connectors
Figure 5-14 DDS GigE Switch – Back Panel Connectors
5.4.2.1 J10 | CH 9 DATA OUT through J18 | CH1 DATA OUT
The J10 | CH 9 DATA OUT through J18 | CH1 DATA OUT ports are RJ-45, 10/100/1000 Ethernet Data
ports for connecting to the prime modem 1 through 9 Ethernet data ports.
5.4.2.2 J19 | BU DATA OUT
The J19 | BU DATA OUT port is a RJ-45, 10/100/1000 Ethernet Data port for connecting to Backup 1
Ethernet Data port.
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.
Pin Number Signal Name Direction
1 Prime Modem 1 Fault ---
2 Prime Modem 2 Fault ---
3 Prime Modem 3 Fault ---
4 Prime Modem 4 Fault ---