[j-nsp] EX-4200 mixed DC/AC power supply

[Jim Glen]

The output from the AC and DC supplies is the same. The internal PoE
ports on the standard EX-4200 work just the same.

I have not tried this on a full PoE version of the switch

JimG
via iPhone

On Dec 20, 2011, at 21:04, Mark Tinka <mtinka at globaltransit.net> wrote:

> On Wednesday, December 21, 2011 07:45:40 AM Jim Glen wrote:
>
>> I've done this on both the EX-4200...
>
> I'm curious what the switch would do, in this case, if you
> wanted to drive some IP phone or wi-fi AP's via PoE, as DC
> power supplies don't normally allow the switch to drive
> power to anything via 802.3af.
>
> Since the switch has both an AC and DC power supply, what
> would it do :-)?
>
>> and the MX480 systems,
>> it's not recommended by Juniper but it works, I've also
>> mixed 110v and 208v with no problems. JimG
>
> That's when you, accidentally, plug the 208VAC source into
> the 110VAC power supply :-).
>
> Document, document, document. DON'T USE or DON'T CONNECT
> stickers all over the place, e.t.c. :-).
>
> Mark.