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- Newsgroups: comp.sys.sun.hardware
- Path: sparky!uunet!cis.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!att!cbnewsi!adh
- From: adh@cbnewsi.cb.att.com (andrew.d.hay)
- Subject: Re: SPARCstation ELC monitor woes
- Organization: AT&T
- Distribution: na
- Date: Fri, 28 Aug 1992 11:30:27 GMT
- Message-ID: <1992Aug28.113027.4248@cbnewsi.cb.att.com>
- References: <1992Aug25.082926.19478@icf.hrb.com> <862@silence.princeton.nj.us> <1992Aug27.200439.609@zia.aoc.nrao.edu>
- Lines: 22
-
- In article <1992Aug27.200439.609@zia.aoc.nrao.edu> rmilner@zia.aoc.nrao.edu (Ruth Milner) writes:
- []
- "What I, and others here, are wondering is whether these failures might be
- "caused by power quality problems. To start with, we are on rural power which
- "is subject to fluctuations. All workstations are equipped with surge protec-
- "tors, but supplying them all with UPSs isn't really an option (we have about
- "70 of them now, which represents triple the number we used to have in this
- "building). Essentially all of them are on office power, and we know we have a
- "problem with harmonics caused by the switching power supplies. Building
- "neutral is running quite high, which I gather is one symptom of harmonics.
-
- if you have the option, and if it's really important to you, you might
- consider wiring up a secure power net with a central ups, like hospitals do.
- they use orange-colored outlets so that they are easily identifiable.
- unless the building is really wiring-hostile (e.g. brick walls), it should be
- a lot cheaper per-unit than individual upses.
-
- --
- +--------------------------------------------------------------+
- Andrew Hay "Do not fraternize with that creature, I am trying to train him"
- a_d_hay@att.com "But that's a parrot!" "I was TALKING to the parrot..."
- +--------------------------------------------------------------+
-