Re: Surge suppressors

["Mike Chapman" <mike.chapman@xxxxxxx>]

I have also had experience of PC's sucking up X10 Signals.

One PC in particular stopped X10 signals when the transmitter was plugged
into the same room as the PC, even if the PC was switched off. I had to
physically unplug the PC to get reliable X10 signals.

Low Voltage lighting Transformers and some Sony TV's may also have a
similar
effect on X10 signals, I am yet to find a suitable method of isolating such
culprits!!

Mike Chapman


-----Original Message-----
From: 	Timothy Morris [mailto:timmorris@xxxxxxx]
Sent:	27 July 1999 16:19
To:	ukha_d@xxxxxxx
Subject:	[ukha_d] Re: Surge suppressors

I'll try it tonight. I still like the idea of LD10s though - a more elegant
solution.

Tim.

> -----Original Message-----
> From: Keith Doxey [mailto:keith.doxey@xxxxxxx]
> Sent: 27 July 1999 16:14
> To: 'ukha_d@xxxxxxx'
> Subject: [ukha_d] Re: Surge suppressors
>
>
> No. Depending on the design they can soak up signals from either side
of
> the filter.
> A good filter should have chokes on the inputs to stop the
interference
> getting through followed by capacitors to short out the remaining
> interference that got through.
>
> Switch mode PSU's as used in PC's , TV's etc actually generate
> interference
> by chopping up the mains supply so they tend to have a reversed filter
to
> prevent their self generated interference getting out. you may have
seen
> people mention that Sony TV's kill X10 signals dead.
>
> When you get the problem just disconnect your HiFi gear from the mains
> completely to see it that cures it. dont just switch the mains
> plug off as
> most 13A sockets only have single pole switches and part of the
circuitry
> will still be connected.
>
> Keith
>
> Keith Doxey
> http://www.btinternet.com/~krazy.keith
> Krazy Keith's World of DIY Home Automation
>
> -----Original Message-----
> From:	Timothy Morris [SMTP:timmorris@xxxxxxx]
> Sent:	Tuesday, July 27, 1999 3:26 PM
> To:	ukha_d@xxxxxxx
> Subject:	[ukha_d] Re: Surge suppressors
>
> I thought they only caused a problem if X-10 modules were plugged
> in to the
> supressors? I'll have a bit of a problem unplugging the surpressors on
the
> Hi-Fi - they are built into 4, 4 way plugs!
>
> Tim.
>
> > -----Original Message-----
> > From: Keith Doxey [mailto:keith.doxey@xxxxxxx]
> > Sent: 27 July 1999 15:20
> > To: 'ukha_d@xxxxxxx'
> > Subject: [ukha_d] Re: Surge suppressors
> >
> >
> > Hi Tim,
> >
> > This is the first time you have mentions the surge suppressors.
> > Have you tried unplugging them at the times when your dimmers
arent
> > responding?
> >
> > It could be that you have a very low X10 level because of them
and this
> > coupled with the heat build up in the switched is the cause of
your
> > problems.
> >
> > I think I have a possible problem with my main PC soaking up X10
from my
> > CM12U.
> > My lounge table lamps are supposed to go off at 12 midnight but
> > occasionally this doesnt happen. The other night I realised that
> > they were
> > still on and so was the PC. Recently I have been using my laptop
in the
> > lounge and not turning the main PC on and the lights have been
> > fine. When I
> > get time I will investigate further but in your case I would
> > definately try
> > unplugging the suppressors when you have a problem and seeing if
this
> > helps.
> >
> > Keith
> >
> > Keith Doxey
> > http://www.btinternet.com/~krazy.keith
> > Krazy Keith's World of DIY Home Automation
> >
> > -----Original Message-----
> > From:	Timothy Morris [SMTP:timmorris@xxxxxxx]
> > Sent:	Tuesday, July 27, 1999 3:03 PM
> > To:	ukha_d@xxxxxxx
> > Subject:	[ukha_d] Re: TV and sound over CAT5
> >
> > I'll even supply the beer! Getting about is a bit awkward for me.
I got
> > knocked off my 'bike about 4 years ago, and I'm now confined to a
> > wheelchair. The offer is open though, perhaps in exchange for
some
> trouble
> > shooting on my X-10 system. It doesn't have to be a group thing.
I enjoy
> > showing the Hi-fi off at any opportunity. Oh, and yes I do use
surge
> > surpressors on the Hi-Fi side to filter out the 'fridge and X-10
amonst
> > other things!
> >
> > Tim.
> >
> > > -----Original Message-----
> > > From: Harrison, Mark (Alliance) [mailto:Mark.Harrison@xxxxxxx]
> > > Sent: 27 July 1999 14:47
> > > To: ukha_d@xxxxxxx
> > > Subject: [ukha_d] Re: TV and sound over CAT5
> > >
> > >
> > > Tim,
> > >
> > > > If anyone in the SW London/Surrey area wants to know
what REAL Hi-Fi
> > > sounds
> > > > like, email me, and we might be able to arrange
something.
> > >
> > > Come on then, how about a hi-fi demo one evening, followed
by
> a pint in
> > a
> > > local wayside chapel to discuss Home Automation? If you're
on,
> > > then I'm sure
> > > there are enough London-based HAers to make it a worthwhile
> session....
> > >
> > > Mark Harrison
> > > European IT Manager, BP/Bovis Alliance
> > > Tel: +44 20 8869 1439
> > > Fax: +44 20 8423 7711
> > >
> > >
>
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