On Thu, 2 May 2002, Russell McMahon wrote:

> Questions:    How reliably are Cat5e network cables when used
>                     to carry two 100 Mbps signals simultaneously using
>                    the two "spare" pairs?
>
>                  What are the affects of running other low speed or
>                  analogue circuits on the unused pairs?

I can't say I've specifically tried using the other two pairs for data
(nor anything for that matter), but I do know that the pairs are twisted
at different rates.  It seems like the brown pair is always twisted much
looser than the others.  Not sure if that would affect performance or not.

-- Mitch

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