On 26/07/13 01:52, Doug McIntyre wrote: > On Thu, Jul 25, 2013 at 09:01:15AM -0400, Paulhamus, Jon wrote: >> Power Supply in EX3200 Switches >> The power supply in EX3200 switches is a hot-removable and hot-insertable >> field-replaceable unit (FRU) that you can install on the rear panel without >> powering off the switch or disrupting the switching function. The power >> supply in EX3200 switches is not redundant. >> >> >> Does that mean if I pull a power supply out, the switch stores enough power >> to stay running long enough to put the new one in and get powered up? > > > What odd wording, since the EX3200 doesn't have two power supply slots. > They probably took wording from the EX3300/EX4200 which do have two power > supply slots, and which probably uses the same power supplies. > > The EX3200 does have an RPS power port, so most likely what they > intend to mean are that with the optional RPS deployed, and your main > supply fails, you can hot swap it at that point, while running on RPS power. > > And then deal with the oddities of running on RPS power. > > But no, it won't keep running if you pull the single power supply out.
The EX[34]200's do seem to have a lot more reserves when you pull power than most kit. I actually wouldn't be surprised if you could manage to do this, although doing it without crashing the cpu or forwarding chips is a bit less likely. If course if you want to do this the power supply has already failed making this an academic concept only.
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