Re: Re: ADSL Filter Probs

["John Andrews" <groups@xxxxxxxxxxxxxxxx>]

Yep me - we sent some el-cheapo filters out to about 50 customers.

Stopped their phones from ringing, unless the unit was self powered, eg a
dect phone would work, but one powered from the BT socket alone would not.


----- Original Message -----
From: "Paul Robinson" <ukcueman@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Friday, July 23, 2004 8:15 AM
Subject: Re: [ukha_d] Re: ADSL Filter Probs


> Didn't somebody have a problem recently that turned out to be a bad
ADSL
filter?
>
> ----- Original Message -----
> From: "Stephen Jones" <ukha@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Thursday, July 22, 2004 10:53 PM
> Subject: RE: [ukha_d] Re: ADSL Filter Probs
>
>
> > From: David Buckley [mailto:db@xxxxxxx]
> > Sent: 22 July 2004 22:21
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] Re: ADSL Filter Probs
> >
> > --- In ukha_d@xxxxxxx, "Mark McCall" <lists@a...>
wrote:
> > >> ADSL just fitted yesterday.  I bought one of the BT
style
> > >> filter faceplates for my NTE5 master socket ...
Unfortunately
> > >> the phones round the house are still very noisy so the
filter
> > >> doesn't seem to be doing the job.  Any ideas?
> >
> > I had this very same problem with a master filter/splitter
faceplate
where
> > it wasn't removing the noise from the telephones when the router
was
turned
> > on. I was tight for time so I simply plugged a second ADSL filter
(normal
> > type supplied with routers) into the supposedly filtered
telephone
outlet on
> > the filter faceplate.
> >
> > > The thing called a "filter" is not really a filter
at all, its a
> > > crossover network, that allows low frequencies (ie audio)
through to
> > > the phones, and high frequencies (above audio range) through
to the
> > > ADSL socket.
> >
> > Hmmm... as far as I am aware, even if ADSL is "turned
on" on your
telephone
> > line, you will not hear any noise on unfiltered telephones until
the
router
> > is switched on. Any ADSL filter should separate the two
frequencies so
as
> > telephones have no audible noise, but obviously some are less
effective
than
> > others. And the noise heard on the line varies from phone to
phone.
> >
> > Does anyone know if the effectiveness of the filter has anything
to do
with
> > the local line characteristics? i.e. would Mark's filter work
properly
in
> > someone else's house? Or is it simply a cheaply made filter?
> >
> > SJ
>
>
>
>
>
>
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