North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: UPS failure modes (was: fire at NAC)

  • From: Steven M. Bellovin
  • Date: Thu May 29 15:13:16 2003 
In message <[email protected]>, Gerald writes:
>
>On Thu, 29 May 2003, Bill Woodcock wrote:
>
>> I've seen two previous APCs (both Matrixes) fry batteries...  The
>> batteries balloon up, and get really hot, and are too big to extract from
>> the chassis.
>
>I've also personally witnessed an APC do this. I'm not a fan of APC.
>They sent us a replacement APC but I still prefer the rack mount Tripp
>Lites we used at the last company I worked for.
>

There was a recent recall of some of their home/SOHO UPSs -- battery 
overheating, with risk of fire.

		--Steve Bellovin, http://www.research.att.com/~smb (me)
		http://www.wilyhacker.com (2nd edition of "Firewalls" book)