[c-nsp] Redundant Power Supplies (was: Cisco 7206VXR)

[Mateusz Błaszczyk]

Howard,

>  This has reminded me of something that's bothered me the few times I've
>  run into it. We have a stack of 3750Gs with a redundant power supply
>  unit. When a power supply fails (or it's power feed fails), it correctly
>  flips to the RPS. Now at this stage, even when power is restored, there
>  doesn't seem to be a way to flip *back* to the mains power without
>  pulling the plug on the RPS *and* the device that has flipped. The only
>  UI on the RPS is a button that turns it off altogether...the manual
>  doesn't say you can do this, but it doesn't say you can't either.

it is how it was engineered,
essentially it was designed so when you encounter a power failure, a
techinician should go to site and investigate.
it should be enough to press the button on rps and the power should
flip to mains.

>  Am I dreaming?

no, wake up :)

>  Howie

-- 
-mat