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Why won't this phone extension work??
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<blockquote data-quote="PC Electrics" data-source="post: 258855" data-attributes="member: 650"><p>Installed a phone extension today. Usually these things are easy enough. Just connect the coloured wires to the correct number terminals and off you go.</p><p></p><p>However, today I could get no response from the new extension socket. So I went back to the parent socket, which afaik is the master. Plugged in the phone - nothing, no dial tone, nothing.</p><p></p><p>I tested the new wiring, continuity ok and no shorts.</p><p></p><p>With the extension wiring disconnected from the master, the phone worked fine. After some more faffing, I discover that even with the extension wiring disconnected at the other end, as soon as I connect any wire into terminal 5 of the master, the line goes off - dead.</p><p></p><p>Complete madness!</p><p></p><p>The extension cable passes through the loft and has a total length of about 30 to 35m. For some of it's length it takes the same route as some network cables. Don't know if that's relevant info or not.</p><p></p><p>The master socket is BT branded (also has PCS on it) and is pictured below from behind.</p><p></p><p>Can the amassed brain power of the forum come up with any answers?</p><p></p><p>[ATTACH]2551[/ATTACH]</p></blockquote><p></p>
[QUOTE="PC Electrics, post: 258855, member: 650"] Installed a phone extension today. Usually these things are easy enough. Just connect the coloured wires to the correct number terminals and off you go. However, today I could get no response from the new extension socket. So I went back to the parent socket, which afaik is the master. Plugged in the phone - nothing, no dial tone, nothing. I tested the new wiring, continuity ok and no shorts. With the extension wiring disconnected from the master, the phone worked fine. After some more faffing, I discover that even with the extension wiring disconnected at the other end, as soon as I connect any wire into terminal 5 of the master, the line goes off - dead. Complete madness! The extension cable passes through the loft and has a total length of about 30 to 35m. For some of it's length it takes the same route as some network cables. Don't know if that's relevant info or not. The master socket is BT branded (also has PCS on it) and is pictured below from behind. Can the amassed brain power of the forum come up with any answers? [ATTACH]2551._xfImport[/ATTACH] [/QUOTE]
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Why won't this phone extension work??
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