[Nut-upsuser] Semantic relationships between shudown.stayoff, shutdown.return, and ups.start.auto
rwrenn at ddn.com
Sat Jan 14 14:52:40 UTC 2012
Nut-names.txt states that
1. ups.start.auto controls whether the UPS starts when mains is (re)applied.
2. shutdown.stayoff causes "turn off the load possibly after a delay and remain even if power returns".
3. shutdown.return causes "turn off the load possibly after a delay and return when power is back".
1 seems to conflict with 2 and 3. That is, 2 implies that ups.start.auto=no and 3 implies that ups.start.auto=yes.
Can someone please explain to me the expected behavior for the following cases?
a. shutdown.stayoff when ups.start.auto=yes
b. shutdown.stayoff when ups.start.auto=no
c. shutdown.return when ups.start.auto=yes
d. shutdown.return when ups.start.auto=no
PS, I am working with the Eaton Powerware 5115 which as no ups.start.auto variable, and in that case the semantics are clear. But, I am also working with an Eaton Evolution 1550 which does have a ups.start.auto variable, and in that case the semantic relationships are not clear.
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