In an earlier contribution to this discussion,
Jeff Gaines <(E-Mail Removed)> wrote:
> I have signed up with Demon for a managed install from BT Midband to
> broadband when it arrives in January.
>
> I have seen comments in this group about a special type of faceplate
> (?) for ADSL which may give a better connection and would allow
> testing by directly connecting an ADSL modem to an internal socket if
> I need to try and trouble shoot the connection. Apologies if my
> terminology is wrong, this is all new to me.
>
> Will I automatically get this type of faceplate with a managed
> install?
>
> I did ask Demon but they didn't seem to know what I was talking about,
> hopefully this is not a bad omen :-)
I think that you've slightly mis-understood the situation.
All recent-ish PSTN (i.e. ordinary) telephone lines are terminated with an
NTE5 master socket, which has a removeable faceplate. Extension wiring is
normally connected to the back of the faceplate, and is automatically
disconnected when the faceplate is removed. The faceplate itself plugs into
another "test" socket in the fixed part of the NTE5. Anyone having problems
with their ADSL connection can plug their kit into the test socket, which
eliminates any problems caused by extension wiring etc. If it still doesn't
work, there'a a problem with the line (if the equipment has been proven to
work elsewhere).
When a HH to BB conversion is done, the line will be converted back from
ISDN to PSTN, prior to being ADSL enabled, and you will be left with an
NTE5 - just like any other PSTN line.
With an NTE5 plus extension sockets setup, you can plug your ADSL kit into
any socket as long as you use plug-in filters in any sockets where analog
equipment (phones, faxes, etc.) is connected.
The alternative is to use a filtered faceplate, which you can buy from firms
like Solwise or Clarity, which fits into the NTE5 in place of the
BT-supplied faceplate. This has a phone socket and an ADSL socket on the
front, plus provision for extension wiring on the back. If you use one of
these, all extension sockets are automatically filtered, and you don't need
plug-in filters. The downside is that the ADSL kit *must* be plugged into
the master (or into a *digital* extension wired from it), rather than into
any old socket.
It is often useful to locate the master socket close to your computer (or to
where your ADSL modem or router will be). You will probably have a choice
about where to put it when your HH to BB conversion is done. You may well
currently have a "digital connection box" or somesuch in the place where
your master socket used to be (if you had an ordinary phone line prior to
HH) with a cable connecting that to the HH box. It is perfectly feasible for
your new NTE5 to be installed either where your HH box is, or in place of
this intermediate connection box. Make sure you make your wishes known to
the BT engineer.
[If you're interested in getting your own ADSL filtered faceplate, have a
look at
http://www.solwise.co.uk/adsl_splitters.htm and
http://www.clarity.it/telecoms/adsl_bits.htm ]
--
Cheers,
Tim
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