[mythtv-users] Wiring for multiple tuners

[Jarod C. Wilson]

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On Thursday 05 February 2004 07:18, Joseph A. Caputo wrote:
> On Thursday 05 February 2004 09:16, Eloy A. Paris wrote:
> > "Jarod C. Wilson" <jcw at wilsonet.com> writes:
> > > Stay away from dirt-cheap splitters though. It can host your
> > > picture quality. I use a ~$45 4-way amplified splitter from the
> > > 'Shack, partially because even a good non-amplified splitter
> > > resulted in too much signal loss for my cable box to lock onto HD
> > > channels.
> >
> > What about those of us that connect to the Internet via cable? Is it
> > better to split the signal for the tuners and for the cable modem and
> > then split the cable that goes to the tuners as many times as you
> > want or it does not make a difference?
> >
> > I mean, assuming I have two tuners, is it better to use a 3-way
> > splitter (1 in, 3 out) or is it better to use a 2-way splitter, send
> > one signal to the cable modem and then split the other signal with
> > another 2-way splitter and send the two signals to the two tuners, or
> > it does not make any difference?
> >
> > I've found out the hard way that cable modems are very sensitive to
> > the strength and quality of the input signal, and I would think that
> > the less you split the input signal to the cable modem the better, so
> > my guess is that the later arrangement I described above is better
> > since the cable modem receives a less attenuated signal.

I concur. (I'm on cable also).

> I have yet to try it, but my understanding is that if you use a
> bi-directional amplified splitter, you can safely have your cable modem
> after the split.  The amplification helps with the signal quality, and
> the bi-directional portion is necessary for your cable modem to be able
> to send & receive.

Yes, the one I mentioned is a bi-directional one, specifically claiming 
compatibility with cable modems (though my cable modem isn't going through it 
- -- its earlier down the splitter line).

- -- 
Jarod C. Wilson, RHCE

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