Comtech EF Data RCS20 - Manual (Page 107)

RCS20 M:N Redundancy Switch Revision 15
Electrical Interfaces MN-RCS20 and CD-RCS20
5–7
5 Ground GND ---
6 No Connection N/C ---
7 RTS N/C Output
8 CTS N/C Input
9 No Connection N/C ---
5.2.3.2.3 J3 | REMOTE
The J3 | REMOTE EIA-485 Remote Interface port is a 9-Pin Type D Female Connector. It is used to monitor
and control switch functions and modems via an M&C designed based on the RLLP.
Pin No. Signal Name Signal Direction
1 Transmit Data B (+) TxD-B Output
2 No Connection N/C ---
3 No Connection N/C ---
4 No Connection N/C ---
5 Signal Common COMMON ---
6 Transmit Data A (-) TxD-A Output
7 No Connection N/C ---
8 Receive Data B (+) RxD-B Input
9 Receive Data A (-) RxD-A Input
Figure 5-6 Bank Control I/O Card