Software has incorrect address for the terminal server. Terminal server hardware malfunction. Interface telnet window does not connect to one specific device, and the reset function does not work. Device is not connected to the correct corresponding port. Terminal server port is configured incorrectly.
Software has incorrect address or port name for the port of terminal server.
Interface telnet window can connect to a device, but the reset function does not work for any device in a specific room. Terminal server port 16 is configured incorrectly. Software has incorrect address or port name for the port 16 of the terminal server. USN1616L has malfunctioned. The connection from the USN1616L and the terminal server port 16 has been broken.