Stan Hoeppner wrote:
You have a fundamental misunderstanding induced EMI/RFI. The source of
the interference must be relatively close, physically, to the cable, in
order for the cable to pick up sufficient noise to interfere with
signals. A power plant, or even a Tesla coil, in the building next door
will have zero effect on your cables' signal integrity.
Not always the case. A lot of electrical equipment - elevators for
example - can put huge
spikes on power lines. And while an elevator equipment room may be
floors away from
your LAN cable, it's attached to power cabling that runs all over the place.
Of course, having said that, that doesn't necessarily make a case for
shielded cable. Induced
currents in poorly wired power-line grounding probably effect you more
if you're using shielded
cable connected to that same grounding.
Miles Fidelman
--
In theory, there is no difference between theory and practice.
In practice, there is. .... Yogi Berra
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