Guide to rewiring internal UK phone wiring - Rob R This fits onto modern BT NTE5 master line-boxes and provides ADSL and voice on separate sockets with filtered extension wiring connectors at the back. This keeps mush from the extension wiring, including the ring wire, out of the ADSL signal. How to rewire BT ADSL v1.0 faceplate? :: Home Networking, Aug 10, 2009I now want to remove that socket and the wire that runs to it and connect my router in the same room as the BT ADSL v1.0 box. However, as there is no RJ11 port on it I can't plug my router in. I opted to change the faceplate on this BT ADSL v1.0 box for a standard ADSL/Phone one from Focus/B&Q but the wiring doesn't correspond.. Master socket ADSL wiring | DIYnot Forums Oct 23, 2007your wiring sounds absoloutely correct to me, with a BT faceplate filter both the terminals on the back of the filter and the phone socket on the front are filtered. you can disconnect your extention wiring from the back of the filter plate if you want but I doubt it will make any difference to your ADSL. Improve your adsl broadband connection speed - Kitz The above diagram assumes standard telephone wiring. Some homes may have older or non-standard wiring. To do this I used a modified BT adsl NTE5 faceplate available from Clarity which has a 6-way IDC connector. The modified plate has two additional terminals marked A + B which can be used to run a dedicated adsl connection using CAT5e cable Wiring Information - Telephones UK The wiring diagram for a master LJU socket is shown here. Note that the pictorial view shown above only serves to indicate the two differing types of sockets and wiring connections. Contrary to how it might seem, C1 is connected to terminals 2 & 3, not 1 & 4.