On Wed, 1 Mar 2006, Michael L Torrie wrote:
Our longest runs of Cat 5E are about 500 to 600 feet or more. We run
them at 100 Mbs with no problems whatsoever. Note that the theoretical
[...]
Michael's totally right. The specs are designed to be robust under the worst
possible conditions, and usually leave tons of room if you're willing to
experiment (or accept less-than-optimal results). For instance, you can run
100Mbit ethernet over cat3 wires (or normal telephone wires (just the wires,
of course; make darn sure it's not connected to the phone system)). Cables
with 4 pair of wires, like the cat5 variants, would support 2 separate
ethernet connections, since ethernet only uses 2 pair. I even ran 10base2
(coax) ethernet over strings of 75 ohm cable-tv cables (again, after
disconnecting them from the actual cable tv feed) in one apartment, replete
with 50 ohm cables going from the wall to the computer. I think we only got a
few megabits per second, but then, 10base2 is only 10 megabits anyway.
-J
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