Telnet: Status / COM-Ports / COM-Port-Server / Network status
This table contains information on current and recent TCP connections.
- Device type List of serial interfaces available in the device.
- Port number The port number used for the COM port server on the serial interface.
- Connection status
Possible values:
- Connected: An active connection exists (server or client mode).
- Listening: This instance is working in server mode; no TCP connection is currently active.
- Not listening: In server mode, the specified TCP port could not be reserved for inbound connections, e.g. because it is already occupied by another application.
- Blank: This instance is working in client mode and the port is not ready. No TCP connection will be established now.
- Transfer: The port has reached the "ready" state; a connection is being established.
- Last error In client mode this displays the reason for the last connection error. In server mode this value has no significance.
- Remote address: Displays the IP address of the remote site for a successful TCP connection.
- Local port Displays the local TCP port used for a successful TCP connection.
- Remote port Displays the remote TCP port used for a successful TCP connection.