Re: Cable Broadband Internet Signal loss from serial RG59 cabling - RF amp recommendations?
- From: "$Bill" <news@xxxxxxxxxxxxxxxx>
- Date: Sun, 20 Jan 2008 17:54:13 -0800
Bill M. wrote:
Serial wiring? Ouch, what a mess of a bad idea. As you know, the best
thing would be to rewire the entire house with 'home run' cables,
preferably quad shield RG-6 or equivalent rather than RG-59. That's a
lot of work, though.
Barring that, I would add a 2-way splitter where the cable arrives at
the house. One output of the new splitter would connect back into the
house wiring and would power all of the existing TV jacks, and the
other output of the new splitter would connect to a new cable that
would run up the outside of the house to the new office. With this
plan, your new office would have two cable jacks, one for TV and one
for Internet/TV. If necessary, you could still add an RF amp to the
non-Internet side of the new splitter without significantly affecting
the cable modem.
I agree with everything except the running of the cable outside. That
would have to be a last resort. If at all possible, try to find a way
to run it inside if that's what you end up doing.
Another alternative would be to put a decent wireless router at the entry
point and going wireless to the third floor for your internet access.
That would eliminate the need for tearing up your walls or hanging wire
outside the house.
Oftentimes, you can replace parts of your run by just tying one (or even
two cables) to the end of your existing cable and pulling the new cable
through, but that can easily be defeated by staples and such that may
have been used. You could test that easily enough by just tying some
string to the end of the cable and seeing what happens if you give a bit
of a tug on the next outlet in line and see if the cable runs free.
That would allow you to at least run parallel cables along the serial
route which wouldn't be as short as home runs could be, but the RG6
would make up for the loss due to length over the RG59.
I would think any RG6 or RG11 should be great for longer runs of
non-baseband cable (dual or quad shielded only if you can afford it),
but a CM rated RG59 will handle most of your *short* haul needs with
not much less dB loss than RG6 (in your case with them all strung
together serially, that probably isn't true).
.
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