When I comes to surges and electronics, results can be unpredictable.
If a surge passes through a line of electronics, some parts of some may
be
damaged and others my seem untouched. This seems like typical damage
from
a surge to me.
James
On Jun 4, 2004, at 7:53 AM, Scott Harney wrote:
> Ron Johnson <ron.l.johnson@cox.net> writes:
>
>> Hi,
>>
>> Yesterday morning's storm zapped my 5-port router, and I'm
>> wondering why. (In fact, this is my 3rd 5-port switch/hub,
>> and 3rd 16-port switch. :()
>>
>> The 5-port switch's wall-wart is/was plugged into a UPS,
>> just like my cable modem, firewall, 16-port switch, 2 PCs,
>> etc. (No, they aren't all plugged into the same UPS,
>> but I did replace the old one and add a 3rd UPS)
>>
>> The cable modem's input coax comes straight from the wall,
>> and I could understand if it got zapped, but it still works
>> fine.
>
> That input coax should be pretty well grounded so zapped
> cable modems are relatively rare.
>
>> A NIC on the other side of the house seems to have died,
>> too. The spike that killed it, apparently went down the
>> coax, thru the cable modem, killed the 5-port switch, thru
>> the Linux firewall, thru a 16-port switch, and to the box
>> with the now-dead NIC in it. That box has been plugged
>> into it's own UPS for a while, and, otherwise, still works.
>>
>> Very strange that nothing else died.
>
> Indeed. If that's the pathway the apparent surge took, everything
> should be damaged. Perhaps the surge was small and brief enough to
> damage some but not all of the equipment....
>
>
> --
> Scott Harney<scotth@scottharney.com>
> "Asking the wrong questions is the leading cause of wrong answers"
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Received on 06/04/04
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