[mythtv-users] Noobish network cable connection question, basement > upstairs

[Graham Mitchell]

> Like i said, the only time the spare 4 wires are used in tcp/ip
> networking only if using power over Ethernet.

Actually, gigabit uses all 4 pairs. And it really has nothing to do with
tcp/ip (which is a mix of layers 3 & 4 (network and transport) - it is a
function of layer 1 (which is the physical layer). 



G