[66531] in North American Network Operators' Group
Re: Looking for power metering equipment...
daemon@ATHENA.MIT.EDU (David Lesher)
Thu Jan 15 08:37:28 2004
From: David Lesher <wb8foz@nrk.com>
To: nanog@merit.edu (nanog list)
Date: Thu, 15 Jan 2004 08:39:28 -0500 (EST)
In-Reply-To: <Pine.WNT.4.58.0401150131240.480@vanadium.hq.nac.net> from "Alex Rubenstein" at Jan 15, 2004 01:33:52 AM
Reply-To: wb8foz@nrk.com
Errors-To: owner-nanog-outgoing@merit.edu
Speaking on Deep Background, the Press Secretary whispered:
>
>
> Question: We are looking for something that sits in the PDUs or branch
> circuit-breaker distribution load centers, that, on a branch-circuit by
> branch-circuit basis, can monitor amperage, and be queried by SNMP.
>
> Considering there are several hundreds of circuits to be monitored, cheap
> and featureless (all we need is amperage via SNMP) is fine.
You really want wattage. The power factor of switched supplies
is far from unity.
Take a look at <http://www.quadlogic.com/transmeter1.html>
Also, recall you sell each watt twice -- once to heat up
a chassis, and a 2nd time for the HVAC to cool it.
--
A host is a host from coast to coast.................wb8foz@nrk.com
& no one will talk to a host that's close........[v].(301) 56-LINUX
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433
