On Fri, Jul 30, 1999 at 12:52:03AM -0400, Andrew Brown wrote:
> slightly off-topic...  :)
> 
> does anyone here know the electrical characteristics of 100base-t
> ethernet?  ie, frequency, voltages, etc.  i'm wondering about the
> possibility of building a small "device" that i could plug into a hub
> that would "appear" to be a host by tweaking the tx lines "just so"
> and supplying a link beat.

Doesn't work. 100baseT has metadata time-multiplexed on the data lines,
which tell what sort of link it is and for collision emulation. Same for
10baseT, if I recall right.

	-is