[Asterisk-Users] ADSI phone vs. IP phone

[Steven Critchfield]

On Tue, 2004-01-20 at 10:29, daryl at introspect.net wrote:
> > -----Original Message-----
> > From: asterisk-users-admin at lists.digium.com 
> > [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of PJ
> > Sent: Tuesday, January 20, 2004 5:09 PM
> > To: asterisk-users at lists.digium.com
> > Subject: Re: [Asterisk-Users] ADSI phone vs. IP phone
> > 
> > 
> > On Mon, 19 Jan 2004, David Gomillion wrote:
> > 
> > > Andrew wrote:
> > > 
> > > First, what's wrong with PoE?  Is it any worse than 
> > installing tons of 
> > > channel banks?
> > 
> > Can anybody recommend a good PoE product?  I am interested in 
> > getting that implemented.
> 
> You need to be more specific....PoE isn't all standard.  As is par for
> the Course, Cisco has their own.
> 
> So If you're talking about 79xx's, I can definitely recommend any of the
> PoE blased for the Cat 4500 and 6500 series.  Just make sure you have
> enough wattage coming form your power supplies (I had to go to 220v on
> one after loading it up with PoE blades).
> 
> For smaller wiring closets, the Cat 3524-PWR-XL works great.
> 
> And if you also have a Cisco wireless infrastructure (AiroNet 350 and
> newer) you can power those with the same hardware.

PoE has a standard. But some manufacturers either put their product out
before the standard was fully agreed upon, or ignore it.

802.3af is the PoE standard. 48volts 350milliamp. 12.95 watts total
power including loss in line. 
-- 
Steven Critchfield  <critch at basesys.com>