T.2.4.1 Has the IP address been set for the Display Unit?
T.2.4.2 Has the IP address been set for the PC?
T.2.4.3 Are the host computer and the Display unit directly connected via the Ethernet cable?
T.2.4.4 Can you get the Display Unit's IP Address with PING from the command prompt?
T.2.4.5 Is the firewall feature activated?
T.2.4.6 Are two or more LAN cards used?
T.2.4.7 Is memory-resident software installed?
T.2.4.9 Password entry is required during operation. (Have you set a password?)