Server room power engineering

Robert G. Brown rgb at
Tue Oct 15 11:14:15 PDT 2002

On Tue, 15 Oct 2002, Joseph Mack wrote:

> "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.

Like I (just) said.  Keel-haul 'em.  Hanging is too good for the


Robert G. Brown	             
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb at

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