I have a master socket with two outlets - one telephone and one ADSL.
It has internal provision for ADSL extension wiring using terminals A and B. The extension wiring is then already filtered and require no further filers.
But I cannot find an ADSL wall socket for the remote end that is not filtered. Is there one on the market ?
If not, then does it matter if the line goes through a second filter or does this reduce the performance?
You can use another filtered faceplate ( 65mm or 85 mm ) or better still a RJ11 surface mount socket see http://www.solwise.co.uk/adsl_splitters-extensions.htm
Thanks for that - I'll get a Solwise RJ11 socket as you suggested. I feel that two filters would reduce the performance a bit.