On Wed, Dec 11, 2002 at 11:10:06AM +1100, Daniel Carosone wrote:
> On Tue, Dec 10, 2002 at 10:07:54AM -0800, Michael Graff wrote:
> > If you get right down to it, so is copper.  There is a transmit pair
> > and a receive pair.  It's the capabilities on each end that matter. 
> 
> I'm given to understand that this is not true for Gig-E on copper;
> there's something smarter going on in the PHY's and they use all
> wires for all signals.

IIRC it is the same as 100Base4, you transmit on 3 pairs
and listen for collision on the 4th.

	David

-- 
David Laight: david@l8s.co.uk