Nortel Networks NB5PLUS4/W - Manual (Page 23)

YML754 Rev1 NB5Plus4/W User Guide
www.netcomm.com.au 
LanGroup #3
IP Address 192.168.3.1
NetMask 255.255.255.0
The above example shows that each LAN group is on its own network and that there
is no overlap in assignable IP address based on netmask.
To remove an interface from LAN group 1, click on the interface (e.g. USB) and click
the Remove button:
To add the available interface from the Interfaces section to a LAN group, highlight
the interface and click the Add button of the appropriate LAN group. To add the
available USB interface to LAN group 2 highlight the USB interface in the Interfaces
section and click the Add button for LAN group 2: