CCTV Camera Pros VM-16RT Video Multiplexer for CCTV - Manual (Page 22)

20 / 19
6. RS-232C and RS485 Interface
The host providing RS-232C interface can control this system remotely.
Receiving can be worked by 9600bps.
The detail receiving protocol are explained in Receive Protocol section.
System accepts only 1 byte to get commands from host .
Connection as follow
:
The Explanation of connection as follow:
① Ground must be connected into together : The 5th foot of the serial
port connect to the 1th foot of the RS485/RS232 connection .
② The 3th foot of the serial port connect to the 3th foot of the
RS485/RS232 connection .
③ The 2th foot of the serial port connect to the 2th foot of the
RS485/RS232 connection .