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Telephone wiring
My bungalow has an old fashioned telephone system consisting of a BT
cable connected to a grey box (about 70x40mm tapered with a single screw fixing). From here there is a wire to another identical-looking box - only two core of the wire are connected). From this second box there are two wires going to BT/RJ-11 sockets (65mm square surface mounted bearing the old 'T' BT logo) - there are six wires connected in at least one of these - there are three boxes and the interbox wiring is not easy to trace in the loft. I have ADSL filters on all the used sockets, of course. Now I'm about to modernise everything, and it's a convenient time to replace this wiring. 1) Can I install a modern Master Box directly from the first grey box? Or do I have to pay BT to do this? (I'm aware that there is moderate voltage (-48V ?) on the wires!) 2) Can I then wire new extensions from the master to ADSL-filtered wall sockets throughout? I'll want 5-6 sockets, although I don't foresee that many instruments - probably: Sky-box, ADSL modem, Speaker-Phone and DECT-basestation (REN 4). Pointers to FAQs/HowTos would be helpful. Thanks in advance. R. |
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