Comtrol DeviceMaster LT User Manual page 127

DeviceMaster LT User Guide: 2000586 Rev. B
13. Enter the socket number of the port that you are testing
PuTTY loads.
14. Type 123.
If 112233 displays, you need to disable local echo. Use the following steps to
disable local echo.
a. Go to c: \Program Files (x86)\Comtrol\PortVision DX.
b. Execute PUTTY.EXE to open the application.
Socket Mode Serial Port Testing
(Step
Troubleshooting and Technical Support - 127
6) and click Ok.