User manual
Scaler Wall Plate HDBaseT Transmitter
PTN Electronics Limited 8 www.PTN-electronics.com
Please set the parameters of COM number, bound rate, data bit, stop bit and the parity
bit correctly, and then you are able to send command in Command Sending Area.
4.2.3 RS232 Communication Commands
Communication protocol: RS232 Communication Protocol
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
Command Function Feedback Example
Switch Commands
50701%
Switch to HDMI input Switch to HDMI
50704%
Switch to VGA input Switch to VGA
50770%
Enable auto-switching Auto Switching
50771%
Disable auto-switching Manual Switching
Resolution Commands
Parameter Configuration area
Monitoring area, indicates if the
command sent works.
Command Sending area










