Some technologies do use all 8 wires. IE Gig E over copper uses all 4 pair.
At 10:36 PM 9/18/00 -0400, you wrote:
>Hi group members
>
>In TP cables we have eight wires. Only four are used. Why we need the
>other four. The same thing applies to DB-25 and other types of cables. We
>don't use all of the wires. Why?
>
>Regards to all
>
>
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