Re: BBN (GTE) Suffers another major power problem.

[Nathan Stratton <nathan () netrail net>]

On Fri, 8 Aug 1997, Matthew White wrote:

> I can't speak for BBN planet, but the power was out in Cambridge for a 2
> hours.  
> Anybody that can survive 2 hours running huge amounts of equipment must
> have their own power grid. :)
>
> Our little UPSes didn't survive...

Well you don't want to design your power system so that your UPS will keep
you through the outage. When you get to 250 KVA systems like we use for
our POPs it is hard to get more then 30 min of uptime. All you want your
UPS to do is keep you up until the generator gets you up to speed. 


Nathan Stratton                             President, CTO, NetRail,Inc.
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Phone   (888)NetRail                           NetRail, Inc.
Fax     (404)522-1939                          230 Peachtree Suite 500
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"No king is saved by the size of his army; no warrior escapes by his
great strength.                                        - Psalm 33:16

> At 07:39 AM 8/8/97 -0400, Eric Osborne wrote:
> > > The BBN Cambridge POP is "down and out" after a nearby manhole fire cut 
> > > power to the building housing the POP. 
> > >
> > >
> > >    -Where is the generator backup?
> >
> >
> > It's my understanding that BBN had emergency generator backup, but that it
> was
> > insufficient to cover this outage.  I'm pretty sure I saw that in one of 
> > their ticket emails last night, although it's not in the official ticket 
> > history.
> >
> >
> >
> > eric
> Matthew White
> Network Administrator
> Channel 1 Communications
> 617.864.0100