From: Ken Williams <jkwilli2@unity.ncsu.edu>
Date: Thu, 19 Mar 1998 02:36:22 -0800 (PST)
To: StanSquncr <StanSquncr@aol.com>
Subject: Re: UPSs
In-Reply-To: <5b89711e.3510b439@aol.com>
Message-ID: <Pine.SOL.3.96.980319053524.13142K-100000@c00069-100lez.eos.ncsu.edu>
MIME-Version: 1.0
Content-Type: text/plain


On Thu, 19 Mar 1998, StanSquncr wrote:

>In a message dated 98-03-18 23:54:33 EST, spectre@anthrax.net writes:
>
><< ... Any decent ups will put the incoming power
> through a "conditioner" that will filter out noise in the incoming power,
> and rebuild the wave so that transient sags and spikes don't get through. ...
>>>
>
>BUT, even the fastest electronics cannot respond fast enough to the initial
>spike, if that spike is too high in the first place (if your incoming power
>lines get hit by lightning, for instance), it's already too late.  My
>suggestion, don't trust a UPS to eliminate spikes, get it if you anticipate a
>need for back-up power to shut down your system in case of black-out (and
>screw the surge protectors, trust the filtering in your power supply to do
>that for you.)
>
>Stan

How many times have you been struck by lightning, Stan?  The effects are
showing...

Ken Williams

ORG: NC State Computer Science Dept     VP of The E.H.A.P. Corp.   
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