> > You have to connect the cable using pairs 1-2 and 3-6 (this means a
> twisted
> > pair of cables is connected to 1-2 and another twisted pair to 3-6). The
> > other two pairs available (4-5 and 7-8) are used in Gigabit Ethernet or
> ATM
> > over copper, for example.
>
> Please read the links fin my previous post.  The 4 additional lines are
> clearly for 100Mbps.

        Yes, if using CAT3, for CAT5 cable only two pairs are necessary for
100Mbps. TTYL

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