My guess is they were on generator during the work, and probably have STSs upstream of the PDUs and when the generator failed the sources didn't transfer to another bus. The DC system is probably feed from the same system.
On Wed, Jul 12, 2017 at 9:47 AM Chris Adams via Outages <[email protected]> wrote: > Once upon a time, Erik Sundberg via Outages <[email protected]> said: > > My biggest concern is we lost both A and B power. Which I would expect > to be on separate "Power Grids / Infrastructure" > > Yeah, we have both AC and DC powered equipment in our cabinet, and it > appears that both failed at the same time. > -- > Chris Adams <[email protected]> > _______________________________________________ > Outages mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/outages > -- Brendan Mannella TeraSwitch Inc. Main - 1.412.945.7045 Direct - 1.412.945.7049 eFax - 1.412.945.7049 Colocation . Cloud . Connectivity
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