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You need to connect to the terminals on the back of the faceplate not the 2&5 extension connection. The front is the data extension connection
Ah.. As I was typing the question I wandered about that. I take it you mean the a+b on the middle plate. Why does the rj11 need to be on there and not 2+5? Does the socket work differently from the old sockets?
Connections 2&5 are for phone extension and are filtered hence why phone works but no broadband. You need to use the data extension connections on back of front plate
did you use a filter as well at data extension
Right. I connected the extension wires (blue/white and white /blue to a+b at the rear of the faceplate. Then connected them to the rj11 at 2+5. No joy. Router just flashes the red b. I also tried swapping 2+5 but still nothing.
Who provides your phone and Internet connection? Which router are you using?