Thanks
jimmy for the hints, but I'm afraid the description of the problem I have was
not clear.
The
problem I have is NOT a software configuration issue of NUT.
The
problem I have is that the UPS, when reaching battey.charge.low SHUTS DOWN
ITSELF IMMEDIATELY, without sending anything to NUT over the serial port.
Whatever would be my NUT configuration, it has no time to run, since the
computer is shut down immediately.
The
UPS behaves exactely AS IF IT WAS NOT SUPPERVISED.
My
guess is that there is some logic within the USBS 750 that makes him decide,
upon reaching the low battery state, to negociate with a software that
suppervises him (over the USB or serial port) OR, if not suppervised by
software, to shut down itself immediately to protect its
battery.
My
guess is that this behavior is not properly working, and they may be two
reasons
* OR the Ellipse has a firmware
issue that makes him believe it is not suppervised when suppervised through the
SERIAL port (and not the USB)
* OR NUT is not properly sending
some commands to set some parameters to the UPS to make it enter the proper
mode.
Any
hints from MGE people here ?
thanks
fred
-----Message d'origine-----
De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de Frédéric POTTER
Envoyé : mercredi 27 septembre 2006 08:28
À : [email protected]
Objet : [Nut-upsuser] Ellipse 750 USBS auto shutdown and NUT.Hello,I've installed & configured NUT 2.0.4 connected over a serial port to an MGE USBS 750.When the UPS enters the 'critical' state (ie, battery load below the defined battery.charge.low AND power input off), the UPS just shutdown itself instead of notifying NUT.When I say the UPS just shutdown, I mean it autonomously shut down itself within one second after reaching the low battery state (which is defaulted to 30%). When the power is restored, the UPS restarts properly.I was not able to find internal parameters within the UPS that would allow me to cancel this behavior (and have the usual behavior of the UPS sending an alarm to NUT and waiting to be shutdown by the "halt" script upsdrvctl shutdown command).My guess is that the UPS "knows" if it is connected to an host or not. Maybee in case of using the serial port this does not work ? (and the UPS thinks it is not suppervised ?) Maybee shall NUT send it some command at some point to notify this ?Any help appreciated.thanksfred
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