Owner's manual

Instruction Manual
4
How to Use
RS232 Serial Control
The video switch can be controlled from a remote terminal (e.g. computer) through RS232
serial. A DB9 (9-pin) cable needs to be connected between the video switch and the
remote terminal. A regular PC should be connect via straight-through male/female serial
cable.
Baud Rate: 9600 bps
Data Bits: 8
Parity: None
Stop Bits: 1
RS232 Pinout
VS410RVGAA
Pin Signal
1 NC
2 TxD
3 RxD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
Commands
Command Description
“I” + “1” Select Port 1
“I” + “2” Select Port 2
“I” + “3” Select Port 3
“I” + “4” Select Port 4
“P” +”1” Power On video switch
“P” + “0” Power O video switch