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Operating Settings
Press Operating Settings to display the operating settings for all of NPort’s serial ports.
Real COM 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 TCP connection if there is no TCP activity for the given time.
After the connection is closed, NPort starts listening for another Real COM driver’s connection from
another host.
NPort 5400 Series User’s Manual
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