Each IKB-12 user panel connected to an HMS-4X main station running v2.1 firmware will require its own IP address
on the system. 
To set the IP address on a HMS-4X Mainstation
To set addressing on the HMS-4X main station go to the web browser and set the IP address found
from the HMS-4X local menus. or use the front panel menu
To set the IP address on a IKB-12 user panel
Press and hold the rotary control on the front panel of the KB Station for four seconds, and then select Networking >
Preferences > DHCP > Disable.  From Networking > Preferences, set the IP Address, Gateway and Subnet mask to
the required settings. 
You must now reboot the Industrial KB Station. Select Administration > Reboot > Reboot Now.  If your network contains
only one HelixNet Main Station, the Industrial KB Station automatically pairs with the Main Station.
If there is more than one Main Station, press and hold the rotary control on the front of the KB Station for four seconds,
and then select Networking > Pair to Station > By Name, and select the name of the required Main Station.