User`s manual

After setting the COM Mapping, remember to select the Apply
Change to save the information in the host system registry. The
host computer will not have the ability to use the COM port until
after selecting Apply Change.
Select Discard Change to tell Administrator to NOT save the
COM Mapping information to the host.
To save the configuration to a text file, select Export COM
Mapping. You will then be able to import this configuration file
to another host and use the same COM Mapping settings in the
other host.
NPort 5410/5430/5340I User’s Manual
6-16