Re: Doubling 100MBit ethernet by splitting the cable

[Mark Roach <mrroach@okmaybe.com>]

On Wed, 2003-05-21 at 11:35, Grzegorz B. Prokopski wrote:
> Hi!
> 
> Long time ago I've read that 100mbit ethernet uses only 2 pairs
> which leaves half of wires unused and thus when there's such a
> need - these can be used to create second 100mbit connection
> on the same cable (and connect second computer w/o the need of
> another cable).
> 
> I've googled quite much and I am sure that's possible (with all
> doubts that it's non-standard solution etc.) [0]. But I still
> can't find good description (with images/asciiart preferred) of
> how to do this exactly?

ethernet uses wires 1,2,3, & 6 so what you want to do is take the unused
wires from your cable (4,5,7, & 8) and put them into the 1,2,3 & 6
locations on an rj45 connector. Do this on both ends of the cable and
you're all set. It's pretty simple really.

-Mark