1.Switch on the twilite and connect Ethernet cable to PC
2.Check IP address and subnet of twilite on the touch screen (if DHCP is active, the IP address will be assigned by the network server
3.Go to System Preferences, Network
4.Select USB Ethernet and Unlock to allow changes
5.Select Manually from the Configure IPv4 menu
6.Enter an IP address in the same group as the twilte IP (typically the twilite IP +1 on final section) and subnet mask
7.Apply the settings.