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Originally Posted by Ave
What would it look like and where would it likely to be?
I can check
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To be honest, I'm not really sure.
The system we were trialing was an early system and it was a very bulky item as it was the first phase equipment from a now defunct company called first Pacific networks, they were taken over by General Instrument/Jerrold who in turn became part of motorola ie: Motorola Broadband.
I have no idea who's equipment it is, and it's possible that there is no battery backup these days, It is possible that they somehow feed a low voltage supply down the coax to the house but it would have to by-pass the isolator and in effect break all the rules. I guess the rules are different in Southern Ireland so I dont have much of an idea.
If the telephone has a power supply connected this could be the offending device, I guess the problem could also be something to do with a supply fed down the coax if there is no isolator and mains managed to get connected to it.
I am making guesses here though
