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NPort 5400 Series User’s Manual Web Console Configuration
5-17
Local TCP port
Setting Factory Default Necessity
1 to 65535 4001 Required
The TCP port that NPort uses to listen to connections, and that other devices must use to contact
NPort. To avoid conflicts with well known TCP ports, the default is set to 4001.
Command port
Setting Factory Default Necessity
1 to 65535 966 Optional
The command port is a listen TCP port for IP-Serial Lib commands from the host. In order to
prevent a TCP port conflict with other applications, the user can adjust the command port to
another port if needed. And IP-Serial Lib will automatically check out the Command Port on
NPort so that the user does not need to configure the program.
TCP Client Mode
TCP alive check time
Setting Factory Default Necessity
0 to 99 min 7 min Optional
0 min: TCP connection is not closed due to an idle TCP connection.
1 to 99 min: NPort automatically closes the TCP connection if there is no TCP activity for the
given time.