Friday, March 31, 2017

Re: [Avid-L2] Re: Multiple APC UPS Failures overnight?

 

I don't think there's any such thing as parallel power done this way. Those would be redundant power supplies. Each one on its own can power the chassis. Try it plugged straight into the wall, just one of them.

You use redundant power supplies so that in case one fails, the other can still keep the unit operating.

On Fri, Mar 31, 2017 at 3:13 PM, bigfish@pacbell.net [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

Looking further in the rack it appears each unity chassis has 3 power cord inputs so I imagine all 3 of the problematic ups units are feeding a 3rd of the power to the chassis.  Hence when all go out at the same time due to the power hit each unit is overwhelmed when trying to power back up.  Just a guess but it makes sense in my head.


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Posted by: Mark Spano <cutandcover@gmail.com>
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this is the Avid-L2

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