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 <outages@outages.org> wrote:
Once upon a time, Erik Sundberg via Outages <outages@outages.org> 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 <cma@cmadams.net> _______________________________________________ Outages mailing list Outages@outages.org https://puck.nether.net/mailman/listinfo/outages
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