DC power versus AC power

Scott Granados scott at wworks.net
Sat Dec 28 02:04:04 UTC 2002

It is likely that in many settings during power failures transition from ac
street power to ac generator power will have some lag and during that time
your hardware could loose power.  This of course depends on ups systems in
use and many factors.  Dc usually however is clean in its transition and
goes with out saying is battery backed up.  Also, some hardware only is
available in DC form such as the ons15454's I believe.

----- Original Message -----
From: "ip dude" <ipdude at cattle-today.com>
To: <nanog at merit.edu>
Sent: Friday, December 27, 2002 5:14 PM
Subject: DC power versus AC power

> Hello NANOG group. I am trying to make a case for using DC power supplies
versus AC power supplies for typical IP networking equipment. Is there any
published whitepapers detailing this subject? Do you have any suggestions to
aide my argument?
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