Telephone slave socket

20 Sep 2014
Reaction score
West Midlands
United Kingdom
I've added a filtered telephone/ adsl slave socket about 5m from the master socket using 3-pair 6-core telephone wire. The telephone works from both the master and slave socket, but my adsl modem now only works from the master. Any ideas why this is? Can you use telephone wire for this job or does it have to be cat 5e?
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How have you added the slave socket? Do you already have a filter on the master socket?
6 core telephone wire ought to be fine, you only need to use one twisted pair, blue and white/blue for connections 2 and 5 between both the sockets.
Aha! The problem I think is that the new component is faulty. I've tried with a different slave socket and traditional filter and all works well. I will try and return the new one. Do you think that "rings" true? The master socket definitely isn't pre filtered and wiring is as you say.
If it works with a normal slave socket then yes, there is something amiss with the adsl/phone socket.
Can you upload a photo of it, front and back?
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Was it a solwise ? Do you wire it the correct way ? Normally 2,3,5 in and f, 2,3,5 out for filtered ?
Did the socket come with instructions? I wonder if you connected the phone line to the wrong terminals.

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