>On Tue, Jun 11, 2002 at 12:15:48AM +0100, David Laight wrote:
>>  >
>>  > Also, how long can a crossover ethernet cable be?
>>
>>  IIRC 200m, even for 100MHz (provided neither end is a hub).
>>  For 10M it is limited by signal loss - otherwise you would be
>>  allowed about 2.5km (rough guess, lost my 8802.11).
>>
>>	David
>
>The spec is 100m for 10/100 Ethernet.  You can run further with better
>cabling and have nearly the same electrical characteristics as cheaper cable
>at 100m, but you are still out of spec because of the distance.
>
>-Andrew

BTW, when the specs say "twisted pair", they MEAN it! Use of a 4-ft 
ribbon cable as a drop-connection is enough to shut down the 
connection, as I discovered to my dismay!

Dan Killoran