Hi all, I was also surprised when I first read this. It actually means that if you connect redundant power system you can replace the AC power supply. There is a separate external DC power supply for redundant power for these switches.
On Sat, Jul 27, 2013 at 11:08 AM, Julien Goodwin <[email protected]>wrote: > 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. > > > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
