Re: [KAT5] IR Upgrade

["Frank Mc Alinden" <fmcalind@xxxxxxxxxxxxxx>]

Hi Keith

> They would be ORed and as you correctly say, the grounds of the KAT5
TX
> units would be connected to each other but if you wanted several KAT5
> systems to drive the same emitter then almost certainly they are going
to
be
> distributing AV from the same source so would have their grounds tie
> together anyway.

Ok ..just checking ....

> Does FirM use a modulated or unmodulated IR input. The output of the
KAT5
TX
> would be modulated @ 38kHz.

The opto isolated ir in requires modulated ir....The rj45 sockets for the
rx
units at the rear is unmodulated ir in.........
Frank


----- Original Message -----
From: "Keith Doxey" <kat5users@xxxxxxx>
To: <kat5-users@xxxxxxx>
Sent: Sunday, September 26, 2004 6:44 PM
Subject: RE: [KAT5] IR Upgrade


> Hi Frank
>
> > > It should be possible to couple the IR output from the KAT5
Transmitters
> > > together using diodes so that several units could drive the
> > same Emitter.
> > > FIRM could then be used to distribute this to multiple
emitters.
> >
> > Im assuming here that they get ORed ...??? If so the gnds wf each
KAT5
TX
> > unit would have to be referenced ?? to each other ...would that
have any
> > effect on the KAT5 devices ??
> >
>
> They would be ORed and as you correctly say, the grounds of the KAT5
TX
> units would be connected to each other but if you wanted several KAT5
> systems to drive the same emitter then almost certainly they are going
to
be
> distributing AV from the same source so would have their grounds tie
> together anyway.
>
>
> > > I havent got FIRM or any of the proprietry IR distribution
> > systems so cant
> > > give a definative answer on that.
> >
> > FirM and FirM Jr both use have an opto isolated ir input so a
male to
male
> > 3.5mm lead required only.........
> >
>
> Does FirM use a modulated or unmodulated IR input. The output of the
KAT5
TX
> would be modulated @ 38kHz.
>
> Keith
>
>
>
>
> Searchable KAT5 archive can be found at
> http://www.ukha-archive.com/
> Yahoo! Groups Links
>
>
>
>
>