SWIT S-1242H, User Manual

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4. REMOTE Interface Definition
The TALLY light controlling port and UMD signal port are controlling through the DB-9 socket at the rear
panel, and terminal description is as follows:
The RED light is on when connecting the terminal “R” with “GND”, and goes out when disconnecting.
⑴
The GREEN light is on when connecting the terminal “G” with “GND”, and goes out when disco
⑵
nnecting.
The YELLOW light is on when connecting the terminal “Y” with “GND”, and goes out when disconnecting.
⑶
485B(Rx
⑷
-)
485A(Rx+)
⑸
Note
：
3-color TALLY light can be remotely controlled by REMOTE port.
Terminal 1 2 3 4 5 6 7 8 9
Description Y G R
485B(Rx-) 485A(Rx+) GND