Comtrol DeviceMaster LT User Manual page 96

Accessing RedBoot Commands in Telnet/SSH Sessions (PortVision DX)
96 - Managing the DeviceMaster LT
5. Quickly re-open the telnet or SSH session using the previous steps.
6. Select Telnet or SSH, leave the Selected Port number, and click Ok.
DeviceMaster LT User Guide: 2000586 Rev. B