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RE: IR Distribution ( What Cable )
- To: <ukha_d@xxxxxxx>
- Subject: RE: IR Distribution ( What Cable )
- From: "Nikola Kasic" <nikola@xxxxxxx>
- Date: Tue, 24 Sep 2002 14:23:21 +0100
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
To be
honest, I didn't understand much of electronics talk here, but I got the
point:
It should be fine in 99.99% cases.
So,
I'll just put the cables.
BTW,
what's the alternative?
What
should be the "proper" cable to put for IR distribution, which "always"
works
properly?
Cheers,
Nik
Nikola Kasic wrote:
> So, all that
difference is in theory then?
> Nik
The same theory that says
that you cant run cat 5 past power and you can
only have x meters of
patch
cable and blah blah
However, some of the gear does have open
collector
outputs so they are
more prone to noise then if it was a proper line
drive, but they do this
so you can parallel detectors etc. Open
collector
directly driving a
blinker tho will not be an issue as it would be like
expecting
interferance to light an led etc.
The gear isnt
designed
to output or input a balanced signal, so it is a
mis-match of cables,
but
with the lo-freq of IR, I dont think you would
even get enough coupling
between 2 wires of a pair to have crosstalk issues.
I did have
problems
with running ir rx and tx on the same cable with my
home-brew solution,
but this was sorted but not having a drive for the
LED at the remote
end.
I suspect it was power related rather then
crosstalk between the
pairs.
http://www.automatedhome.co.uk
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