Re: Re: ADSL Filter Probs

["Paul Robinson" <ukcueman@xxxxxxxxxxx>]

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