Michael,

On Tue, 22 Jun 2004 09:16:52 +0100, Michael Rigby-Jones
wrote:

>...<
> I suspect they use polyfuses for protection.  As these
operate thermaly,
> rather than by directly sensing current, I suspect
they make take quite some
> time to trip if the current overload is marginal. That
could explain what
> you saw on your hub?

Hmmm... I'm not familiar with hos polyfuses work - do
they have to have power removed to reset?  I sort-of
thought they'd reset when the fault current was removed.

Dammit, I'm going to have to dismantle the hub and see
what's in there!  :-)

Cheers,

Howard Winter
St.Albans, England

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