Server room power engineering

Ken Chase math at
Tue Oct 15 17:16:15 PDT 2002

On Tue, Oct 15, 2002 at 01:55:38PM -0400, Joseph Mack's all...
> "Robert G. Brown" wrote:
> > 
> > Dear Listvolken:
> a few years ago, at the place I worked, all the machines
> were behind a UPS and the whole floor went out one day. We found that
> the UPS had been setup to drop power to all the downstream
> boxes, when its feed died. 
> The explanation we got was that it had been 
> setup that way so we'd know that the power had failed, 
> otherwise all the machines would be running on the UPS
> without any input power and we'd be living with a 
> false sense of security.

How do you get a false sense of security when the klaxons are ringing
so loud you cant even hear yourself think?

At least thats how ours works.


> Joe
> -- 
> Joseph Mack PhD, Senior Systems Engineer, SAIC contractor 
> to the National Environmental Supercomputer Center, 
> mailto:mack.joseph at ph# 919-541-0007, RTP, NC, USA
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Ken Chase, math at  *  Velocet Communications Inc.  *  Toronto, CANADA 

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