As you look at the unit from the network end you will see:
Power on the left Apply 5V or 9V possitive centre.
Left LED indicates when units is transmitting radio
Middle LED Solid light : indicates a v2 unit streaming connection to online.domia.eu, Flashing every 3 seconds - either (a) you have an old V1 unit (send it back for reprogramming) or if you have a v2 unit it is trying to get the address of the streaming server Permanently off - system is not functioning
Programming button Used for advanced configuration
Network port Plug the network connection in here
Right LED Physical Network connect Solid on - cable plugged in Solid off - no network cable connected