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    Old style bt master socket

    This is a discussion on Old style bt master socket within the Cabling and faceplate help forums, part of the Sky Broadband help and support category; Hi guys me again, just done some investigating into the mess that is my BT wiring set-up. Where the line ...

    1. #11
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      Re: Old style bt master socket

      Hi guys me again, just done some investigating into the mess that is my BT wiring set-up. Where the line enters the house it goes into the first junction box, 2 wires only, top orange and bottom white, they are connected to the screw type fittings inside. Then out of the junction box comes 3 cables, top orange, bottom blue (was white going in) and a green one in the middle. These then go to the second junction box, in top orange, in bottom blue and in middle green. Then out, top white blue, bottom blue white. The green just finishes there. These two wires then just go to my old style master socket. Surely I donít need all this mess because im only talking about 5 metres distance from where the line enters the house to where the master socket is. My thinking is, if I connect some cable to where the line enters the first box i.e.: to the main orange and white cable and the run a length of that to a new type socket bypassing all the other wiring this would be a better set-up. Any help on this would be great


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    3. #12
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      Re: Old style bt master socket

      Yes that would be a better set-up. I dont know why there are 3 cables from the first junction box, I am guessing the middle one is not needed. The junction boxes have just been used as an easy way to connect the wires up. You may first want to disconnect the middle wire to see if that helps your connection. As I stated earlier though moving your master to where the line enters your house would be a good test to find out your max possible speed off your line. Then you can find out how much you are losing out on.

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      Re: Old style bt master socket

      The Green wire was used when there used to be earth ringing telephones, these type of phones went obsolete when John Pertwee used to be Doctor Who, so you can safley disregard the Green wire. The Orange and Blue wires carries your phones signal in an old type of cable like yours.

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      Re: Old style bt master socket

      Thanks guys for your help so far, just a couple more I promise. What cable should I use to connect from the first junction box to the new type master socket and what wire goes in what connection. What I mean is does the orange go in a or b on the master socket.

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      Re: Old style bt master socket

      Orange - B/2
      White - A/5

      I would use cat5e cable. It is much better than standard telephone cable. Here is a link to a guide that is an interesting read:

      Guide to rewiring internal UK phone wiring

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      Re: Old style bt master socket

      Thanks guys, have ordered all the bits I need and will give it a try this week sometime.

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      Re: Old style bt master socket

      Just a quick update on my wiring problem. First thing I did was remove the orange ringer wire, that gave a slight increase in speed so I would recommend doing that. Next I wired cable straight from the first junction box where the main bt wire enters the house to a new type master socket, which gave a nice clean line. Speeds after this were fantastic.

      7616 kbps
      43 attn
      9.1 noise

      When I hard wired a couple of extensions the speed drop to about 4736 kbps, so going to buy one of those adsl faceplates to sort that out. So sorting out all the internal wiring is really worth the effort, so a big thanks for all the info guys.

    9. #18
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      Re: Old style bt master socket

      Glad it has all worked out, getting an adsl faceplate should hopefully fix the problem when hardwiring extensions.

      Let us know your final results

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      Re: Old style bt master socket

      Fitted new faceplate today and final results are:

      Connection Speed 7616 kbps 448 kbps
      Line Attenuation 15.5 db 29.0 db
      Noise Margin 5.7 db 24.0 db

      Which is a lot more than what I started with. The only thing I canít understand is the line attn has gone down quite a lot.....I thought that wouldnít change?

    11. #20
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      Re: Old style bt master socket

      The line attenuation reporting 15.5 is a router bug. Your line attenuation is probably something like 43 as you stated before

      Try rebooting the router and it should report the correct figure

     

     
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