Obsession Facepanels can be configured through their internal software, but changing the processor unit requires a bit more work. To set the IP address on the processor, go to DOS and go into the ETC directory. Type:
and press enter. If the following lines are there, change them to your appropriate values, if not, add them and set them to your values:
Remember that an Obsession II network prefers the gateway address be set to match the IP address in an unrouted network.