School networks and electrical equipment damage
walter.bender at gmail.com
Thu Jun 6 17:58:29 EDT 2013
On Thu, Jun 6, 2013 at 5:54 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> dsd at laptop.org said:
>> I have seen that some UPSs (unfortunately not these ones) allow a phone line
>> to be passed through them, supposedly offering some protection. Would such a
>> system protect against a lightening bolt, assuming thats what happened here?
> Surge suppressor is the buzzword you are looking for. They will help, but
> nothing will stop a lightning strike that is near enough. The only question
> is how-near.
> The wiki page looks good:
> Note the discussion about MOVs getting used up.
> Some outlet strips include a pair of phone jacks and/or cable TV connectors.
> That's the quick, simple, and low cost approach. You can also get industrial
> type units at higher prices. Google has lots of hits.
One thing to look out for with the outlet strips is band limiting on
the signal as it passes through; probably not an issue here, but worth
> I'm far from a wizard in this area.
> How many schools are you talking about? If it's more than 2 or 3, it might
> be worth a phone call to one of the non-cheap places to see if they have
> suggestions. (Or see if they have some documentation on the web.)
> These are my opinions. I hate spam.
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