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Chris Bipes wrote:
Just the controlled shut down part. How will the other 20 servers be
signaled to shut down when the power fails and how long do they have to
shut down before the UPS goes kirplunk.
Do you have such communication with the current UPS and your iSeries?
Note also that for AS/400s and anything else that will accept simple
"relay contact" signals (unless something's changed in recent years,
that's ALL an AS/400 accepts), you don't even need a direct connection
to the UPS: you just need to have a small relay, with its contacts wired
between the pins of a UPS monitoring plug, and the coil powered from an
old "wall wart" plugged into an unprotected power socket.
That, along with similar gizmos for "conditioning" the signals from a
UPS (if bad self-tests start triggering unnecessary emergency shutdowns)
has been the subject of a past thread on this List.
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