[asterisk-users] PoE budget
Jerry Jones
jjones at danrj.com
Thu Jun 5 20:10:35 CDT 2008
On Jun 5, 2008, at 5:08 PM, Bill Michaelson wrote:
>
> I'm considering using a PoE switch like this...
>
> http://www.tigerdirect.com/applications/SearchTools/item-
> details.asp?EdpNo=3023334&CatId=2800
>
> ...to power as many as 24 Polycom phones of varied kinds.
>
> The sales lit indicates >190 watts available for PoE devices. But
> I'm concerned about a problem someone reported elsewhere...
>
> They said...
> ----------------------------------------------------------------------
> ------------------
> Is there a reason that Polycom phones do not support PoE classes?
> We ran into a scenario recently where we could only power 11
> Polycom 550's on a 24 port switch.
>
> This is because the Polycoms do not announce themselves as being in
> a specific PoE class, even though the phones only need 6W the
> switch assumes they need as much power as possible and allocates
> 14.5W to each port. We have had to resort to running unsupported
> firmware on the switch to get it to power 24 phones.
> ----------------------------------------------------------------------
> ------------------
>
> Does anybody here have insight about this?
>
>
have used many fsm7326p to power 24 phones or 726tp to power 12
phones and they work great
More information about the asterisk-users
mailing list