"Peter C. Wallace" <pcw_at_mesanet.com> wrote:wrote:
> As far as damaging the rest of the circuitry goes that depends on
> whether the PHY can take the 48V ~1 usec spikes resulting from
> connection the isolation transformer input to one (or many) 48V steps
> as the connectors are mated...
A well-designed Ethernet card has some Zener diodes for protection against
that. I suppose there are probably plenty of poorly designed cards out
there, though.
Received on Fri Jul 12 2002 - 21:18:00 BST