[tech] CAT5 on patch port 8 to hub

[David Luyer]

Mikolaj wrote:
> On Mon, 2002-07-29 at 12:45, David Luyer wrote:
> > well just autosense which wire goes to which wire.  Then 
> they realised
> > how cheap and convenient it actually was to just make all ethernet
> > connections between their switches just work, and were intending to,
> > or probably have by now, backport it to their 10/100Mbps switches.
> 
> Hmm. So what happens when you connect a NetGear to any other switch
> brand and it starts wiggling kilovolts of morse code across 
> the wires to
> work out which ones are actually twisted together? :)

I'd hope the same as what happens when you connect a Cisco Powered Patch
Panel to a non-capable end device - absolutely nothing of interest.

I wonder how many assumptions it works on though - it's probably quite
hard to work out which wires are actually twisted together, so it
probably
just tries to work out which wire is which wire, and then assumes a sane
set are actual pairs.  Or maybe pairs are easier to identify than I'd
expect (send signal down core A, watch for most affected core, that's
the pair - could work).

David.
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