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echo: hs_modems
to: MIKE FARRILL
from: DAVE SHINER
date: 1997-04-24 11:04:00
subject: inside wiring

MF>-> 100mps Ethernet. Shielding will attenuate the the signal when used
MF>-> in a high speed network, that's why you use UTP.
MF>Attenuate, what does that mean specifically?
Hmm...how do I describe an attenuated sine wave.....lets just say the 
true signal gets deformed, so it's not quite the same coming out of the 
wire as it was going it. (Look it up)
MF>-> In a phone application
MF>-> you could used a shielded cable, but only if it's properly
MF>-> grounded. I wouldn't recommend it due to the added cost.
MF>How would I go about grounding the cable anyhow?
Take the shield(aluminum foil/braided wire) and solder/clamp/etc it to 
the earth ground in your house. There's usually a copper or aluminum 
bare wire attached to your fuse/circuit breaker box, that connects to 
your cold water pipes. That's your ground.
MF>-> It's easy enough to
MF>-> avoid noisy things in a house.  Try to route your cables away from
MF>-> electric motors, fluorescent lights, speakers etc.
MF>If I got a shielded cable, would I still have to do that?
I would, but with a shield you should be able to get a lot closer.
--- GEcho 1.00
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* Origin: The Boneyard! (810) 544-9502 (1:2202/22)

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