Comtrol DeviceMaster LT - Manual (Page 126)

126 - Troubleshooting and Technical Support DeviceMaster LT User Guide: 2000586 Rev. B
Socket Mode Serial Port Testing
9. Verify that the port has been enabled.
10. Leave the web page open.
11. Attach the loopback plug that was shipped with the DeviceMaster LT to the
serial port of the DeviceMaster LT. See Connecting Serial Devices on Page 65 if
you need to build a loopback plug.
12. Right-click the DeviceMaster LT in the Device List pane and click Telnet / SSH
Session.