Blue print of the caller-id Setup:
 
Three LAN Ports at back of caller Id box:
Power adapter (Should connect to Power cord)
To Data Network port (Should Directly connect to Network)
Towards Gateway (Should Directly connect to Network)
To Phone port (Should Directly connect to Phone)
 
Three LAN Ports
                    
Two Ports to Network
 
Phone Port to Phone
Vertex Utility Configuration: