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Posted by Mark McIntyre on July 20, 2006, 5:28 pm
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On Thu, 20 Jul 2006 16:00:52 -0400, in alt.internet.wireless , "J.
>John Navas wrote:
>
>> On Tue, 18 Jul 2006 23:04:45 +0100, Mark McIntyre
>>
>>>On 18 Jul 2006 14:55:57 -0700, in alt.internet.wireless , "Johhny
>>>
>>>>I'm an entry level IT technician at my new job. It's a small office of
>>>>14 computers, 13 of which are networked together.
>>>>
>>>>My boss wants to get wireless ethernet as insurance in case of a
>>>>lightning strike/hurricane/undetermined vague reasons.
>>>
>>>Euh, he's been reading too many marketing magazines.
>>
>> Lightning can fry everything on a common cable.
I killfile Navas so I missed this, but I should point out that I was
talking about too much wireless marketing muck.
>>>>This would mean removing the ethernet altogether to protect against
>>>>lightning strikes.
>>>
>>>How will this help? Each Pc is still connected to all the rest by
>>>mains cabling, and worse still, that cabling is connected to other
>>>buildings and pylons and so on and so forth.
>>
>> True, but desktops can be protected with UPS units,
How does UPS protect from lightening - unless yuo mean that whenever a
storm is forecast, the OP should sever the mains cable.... :-)
>>and laptops can be
>> disconnected to run on batteries.
Forever?
>Which means that in addition to the PC, the UPS becomes a smoking hole.
>
>Lightning is quite capable of inducing dangerous currents in cables that are
>not connected to anything.
indeed.
>>>>I think he should just get an apcc lightning thing with ethernet jacks.
>>>
>>>Yes. Proper surge protection is what he needs.
>>
>> Won't get much protection from cheap consumer-grade surge protectors.
>> Commercial grade products conforming to GR 1089 are much better. Check
>> out Innovative Technology, Peradata, and PolyPhaser.
>
>Might work with distant hits on the power line, won't do diddly about a
>strike on the building.
quite.
--
Mark McIntyre
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