[98212] in North American Network Operators' Group
Re: History of the EPO (Emergency Power Off)
daemon@ATHENA.MIT.EDU (Michael Painter)
Thu Jul 26 00:25:10 2007
From: "Michael Painter" <tvhawaii@shaka.com>
To: <nanog@merit.edu>
Date: Wed, 25 Jul 2007 18:23:26 -1000
Errors-To: owner-nanog@merit.edu
From: "Sean Donelan" <sean@donelan.com>
Subject: History of the EPO (Emergency Power Off)
>> The interesting thing about the EPO and data centers is it wasn't
orginally for life-safety, but came out of a recommendation by IBM
to the NFPA for property protection.<<
Fwiw, the EPO on IBM's mainframes back in those days, had to be -pulled- and had a mechanical 'latch' that kept it from being
pushed back in. Took both hands to reset it.
--Michael
