3Com 3CNJ205 User Manual page 34

Using the Central Configuration Manager
b Fill in the Subnet and Mask fields and click OK.
or
c To discover devices within a certain IP range, select that
option on the screen and complete the From and To
fields.
4 If the box next to "Delete all devices in the existing list" is
checked, the discovery process will replace all of the devices
in your current database with the new devices it discovers.
If unchecked, the discovery process will add newly
discovered devices to the current database.
5 Click OK to start the discovery process.
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