Operating instructions

RCS20 M:N Redundancy Switch Electrical Interfaces
TM056 - Rev. 2.3 5-17
Table 5-15.
J3 - Switch Interface Control Card -
RS485 Remote Interface - 9-Pin ‘D’ Female
Pin No. Signal Description Direction
1 TxD-B Transmit Data B (+) Output
2 NC No Connect None
3 NC No Connect None
4 NC No Connect None
5 COMMON Signal Common None
6 TxD-A Transmit Data A (-) Output
7 NC No Connect None
8 RxD-B Receive Data B (+) Input
9 RxD-A Receive Data A (-) Input
Table 5-16.
J3 - Switch Interface Control Card -
RS232 Terminal Interface - 9-Pin ‘D’ Female
Pin No. Signal Description Direction
1 NC No Connect None
2 RxD Receive Data Input
3 TxD Transmit Data Output
4 NC No Connect None
5 GND Ground None
6 NC No Connect None
7 NC No Connect None
8 NC No Connect None
9 NC No Connect None