On Wed, 13 Feb 2008 18:41:01 +0000, Geoff Lane
<(E-Mail Removed)> wrote:
>Should all homes have a BT master socket.
They *should*, but many still don't! And which master socket? BT
have changed the design.
The main reasons for doing so were both technical and legal. The
legal one is that it marks a definitive boundary between BT's
equipment and yours.
>
>I think it must be over 20 years ago that a BT engineer upgraded my old
>GPO sockets to BT sockets as show in the following images;
>
>http://www.3lanes.eclipse.co.uk/temp/socket1.jpg
>http://www.3lanes.eclipse.co.uk/temp/socket2.jpg
>
>The main socket in my place does not appear to be of the type where the
>faceplate can be removed for testing purposes.
>
>It works OK but my ISP have asked that I test my equipment in the master
>socket to eliminate a small problem.
The socket shown in your pics is the original type. Nowadays the
preferred type is the NTE5. See lower on the page here:
http://www.solwise.co.uk/adsl_splitters.htm
When you remove the lower plate this disconnects the lines in your
house, and the socket exposed is connected directly to your line.
This is why the ISP ask for this, it helps to eliminate poor house
wiring from affecting the signal.
Tell your ISP that you have the older type of master socket so can't
do the test they expect. Or ask BT to replace the master - but they
will almost certainly charge you to do this if there is no other
fault.
Regards,
Harry.
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