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Simple telephone wiring diagrams??


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#1 MOSE

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Posted 19 September 2006 - 08:02 PM

Need some urgent help.

The master socket for out phone line is in our bedroom and the slave socket is in the living room and I want to use the slave to plug my router into.

So, first question is, why is the colouring of the cable supplied to the slave socket completely different to the cable going to the master socket?

The cable fed into the slave socket (but not connected to anything) has simple blue, red, gree, orrange, white, black, etc colour cables. Not like the striping cables found in the master socket.

So, is ther an easy way of wiring this up and does anyone have a simple link of how to wire this up properly??

Ta!! /ubbthreads/images/graemlins/169144-ok.gif

#2 Daz

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Posted 19 September 2006 - 08:10 PM

Here you are:

BT Extension Wiring

#3 Rustynuts

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Posted 19 September 2006 - 08:10 PM

The colouring of the cables is not relevant. As long as they go to the correct terminals it's fine. Sounds like someone DIY-wired in the slave socket and just used differing colours for the wiring.
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#4 colinc

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Posted 19 September 2006 - 08:11 PM

Pins 2,3 and 4 on the master to Pins 2,3 an 4 on the extension usually the BT cables are striped, some extension cables (looks like yours) are not. but as long as 2,3 and 4 are linked you should be OK, in fact if it is just a router on the extension 3 is not reqiured as that is just the ring signal.

Any help?
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#5 MOSE

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Posted 19 September 2006 - 08:17 PM

Ahhhhhh ok, but how the fecking hell do I know which colour cable goes to which pins?

Oh and the DIY expert was RILEYS who are contracted by George Wimpey to sort the BT work. When we moved in her it took BT 3 months to figure out that we had no telephone wiring!!

#6 Daz

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Posted 19 September 2006 - 08:21 PM

All you need to do is connect the wires from the slave to the same numbered terminals on the master. So what ever colour is connected to 2,3,4 & 5 on the slave connect the same to the 2,3,4 & 5 on the master.

#7 MOSE

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Posted 19 September 2006 - 08:23 PM

ok sounds simple /ubbthreads/images/graemlins/169144-ok.gif

#8 danksy

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Posted 19 September 2006 - 08:25 PM

Just a thought Mose, if the wiring is dubious your broadband speeds could go down the swanny /ubbthreads/images/graemlins/smashfreakB.gif

May be better running a cordless phone off the slave, and using master for bb /ubbthreads/images/graemlins/EEK2.GIF
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#9 MOSE

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Posted 19 September 2006 - 08:35 PM

true.....its one of the main reasons why I am trying to get the other wired up mate.

So, on looking at the wiring to the master, the BLUE pair are connected to connectors 2 & 5. Is this normal? Nothing else is connected.

#10 Daz

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Posted 19 September 2006 - 08:38 PM

Yeah, that's fine.

See my earlier link.

[ QUOTE ]
Usually (but not always) Orange and White are the active pair and go to connections 2 and 5. In some master boxes (such as the type with a removable front section) they go to two connectors marked A and B.

[/ QUOTE ]

#11 MOSE

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Posted 19 September 2006 - 08:40 PM

So I take it that Blue/w and White/b represent Blue and White downstairs on the slave box yeah??

#12 Calm Chris

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Posted 20 September 2006 - 07:12 AM

Without reference (cause I know).

2- Blue White (A'leg earth)
5- White Blue (B'Leg battery)
3- Orange White (bell ring wire)
4- White Orange (this is earth recall wire and not require in home use)

Providing from the master socket the cable in 2, 5 and 3 is repeated to the secondary and on sockets, it will work.

Cable type to master socket could be external (overhead or underground) and will be black sheathed. Only 2 cores will be terminated at 2 and 5, The third wire, the bell wire must be wired to 3 at the master, going to each other socket, otherwise incoming ring signal won't be there.

Internally the cable is CW1308 which is 3 pair stripped colours, White- Blue + Blue white (1st pair), White-Orange + Orange-white (2nd pair), White-Green + Green-White (3rd pair). The 3rd pair is normally spare and is use for maintenance purposes (a failed 1st or 2nd wiring pair).

Telephone cable is solid core 0.5mm size, frequently contractors pick up the wrong cable type and use alarm cable which has a different colour range for it's cores.

This doesn't matter, since the alarm cable tends to be stranded 0.75mm cores and will not drop or weaken a BB signal, some might argue that since alarm cable is not true twisted pair design it is a poorer cable medium. On longer runs it might be, but in a domestic situation there's no problem.

Only problem being that alarm cables, because they are stranded sometimes don't cut cleanly with a IDC punch down tool (krone tool) on the line jack terminations.
A simple solution and common for DIY is to use line jacks with screw terminals rather than IDC punch down terminals.

Hope that helps /ubbthreads/images/graemlins/grin.gif /ubbthreads/images/graemlins/169144-ok.gif
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#13 MOSE

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Posted 20 September 2006 - 07:43 AM

Cheers Chri5. Had a look again at this last night and the cable is white in colour and at the master socket, the cable is how you descibe the CW1308, the cable to the slave is individually stranded and not twinned as mentioned above.

And where do I get one of those wierd IDC tools from??

#14 Calm Chris

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Posted 20 September 2006 - 09:45 AM

Maplin will sell them, but they are approx £10

Might be easier and cheaper to ask Maplin for some line jack sockets with screw terminals.

You could get a throw away IDC tool, about 50p from Maplin. This punches the cable in to the IDC, but you will need to trim the spare cable with cutters (or nail scissors) since the throw away item wont's have the cable cutting bit.

If you don't have a Maplin, it's (the krone tool) a borrow off any IT cable tech (if you have one in office) or a visit to a independent Telephone shop- which most larger town and all cities seem to have, for either a throw away or the full monty /ubbthreads/images/graemlins/169144-ok.gif
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#15 Sparky

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Posted 20 September 2006 - 11:28 AM

Homebase/B&Q sell good IDC tools for about £1, avoid Maplin!

#16 Scotty

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Posted 20 September 2006 - 12:13 PM

Otherwise use an old loyaly/credit card. I doesn't do the card much good but works fine in an emergency.

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#17 Hopsta

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Posted 20 September 2006 - 02:00 PM

[ QUOTE ]
Otherwise use an old loyaly/credit card. I doesn't do the card much good but works fine in an emergency.

[/ QUOTE ]

Agreed /ubbthreads/images/graemlins/169144-ok.gif
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#18 MOSE

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Posted 20 September 2006 - 10:28 PM

connected blue wire to terminal 2 and white to terminal 5 and feck all happened, phone dont work /ubbthreads/images/graemlins/frown.gif

Time to call out BT I spose.

#19 Daz

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Posted 20 September 2006 - 10:39 PM

Any chance of taking pics of the back of the sockets? Are you sure the master is in the bedroom?

#20 MOSE

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Posted 20 September 2006 - 10:44 PM

Deffo mate, the master has the ring capacitor thing in it just like this

Posted Image

and to this master socket, the Blue/w cable is attached to terminal 2 and White/b is attached to termainal 5

And the Slave socket in the licing room looks like this one, so I have connected the Blue to 2 and White to 5. And ZILCH!!

Posted Image




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