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276 posts

Ultimate Geek
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Topic # 31705 27-Mar-2009 15:52
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While I am comfortable with network wiring, Cat5, coaxial etc etc I am trying to learn how phone wiring is configured.
I have just moved into a new house and I am documenting how the place is wired, (phone, tv etc) so I can work out how I am going to run some Cat5 around and some extra phone jacks.

I opened up a phone jack point in the basement which appears to look like a master as one comes in, then two come out to the bedroom and to the lounge (sky).

Is it documented anywhere what the layout of the phone jack points are? Like what the colours are and where they would get punched into the jack.


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27434 posts

Uber Geek
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Biddle Corp
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  Reply # 203760 27-Mar-2009 16:52
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All new wiring is 2 wire and should use the blue and blue/white pair for the primary pair. On two wire jacks the krone connectors on each side are just connected to each other (iie you can connect to top, middle or bottom pair).

As for old wiring then anything goes - if you have combinations of master and secondary sockets then the master socket will potentially have two wires coming into it an then 3 wires going out, the 3rd is used as the tinkle/ring. On these old jackpoints both sides are not looped like on new sockets.

There isn't really an easy answer because dependong on who's done the wiring it could either be tidy or a mess.

If you want to learn more look at the website and check out out PTC103.

276 posts

Ultimate Geek
+1 received by user: 15

  Reply # 203810 27-Mar-2009 23:07
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Found this which I found easy to understand, for a phone wiring newbie:

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