Specifications

Level One: Protege GX Installer Study Guide | August 2013 231
Duplicate IP or Serial Number
Although the software will warn you, it is possible to save two controllers with the same IP or serial number.
 In this case, the controller that was created first will take priority.
 Confirm that you haven't created a controller with a duplicate IP or serial number. Check all of your sites.
 If you have created a site for templates, these should be left with zero IP addresses and serial numbers.
If you have two controllers with the same IP address or serial number anywhere on your server, there will be
communication problems with at least one of them.
Confirm Ports
Ensure that the ports that have been set on your controller match those configured at the server.
 The event server port is set under Global | Event Server. This is the only place it is configured.
 The download and control ports are set for each controller on the general tab.
 Compare these with what is set at your controller. Use the web interface for the DIN Controller or Telnet for
the PCB Controller.
If you have changed any settings on the controller, you will need to save your changes and restart the controller
for the changes to take effect.
To confirm that a network path exists from the Server to the Controller and that the correct port are open, Telnet
to the Controller (regardless of whether it is DIN or PCB) on port 21000.
For example: telnet 192.168.1.2 21000
If the Controller is able to accept the connection, you will get a clear screen with a cursor blinking in the top left
corner.
If you do not get a connection, you will see a message similar to that shown here:
If this is the case, there is still a problem between the server and controller. If you are able to web browse to the
controller then it is very likely that a firewall is blocking the connection somewhere.