[asterisk-users] PoE - IEEE 802.3af

[Michael Welter]

You don't need to change any wiring.  Just be sure that the LAN wiring 
terminates at a PoE LAN switch (PoE would not be passed through an 
intermediate switch).

You will get an AC adapter with your phone.  If the phone fails to power 
up, you can plug the adapter into the thingie in the PoE cable (not the 
phone).

Also, the IP601 has a 24V AC adapter while the IP501 has a 12V adapter.

Mike wrote:
> Hi,
>  
> I'm not clear on how to use Power--over-Ethernet, specifically with 
> Polycom phones.
>  
> What I understand, is that by buying the Polycom 501 with the 802.3af 
> cable bundle, I simply connect my phone, through the Polycom provided 
> "special" RJ-45 cable, into a PoE capable switch, and voilà!
>  
> Is this true?  And if so, what happens when the Phone doesn't 
> connect directly to the switch? (let`s say there is wiring in the wall 
> that goes to a patch panel, for example.  Do I need to change all the 
> wiring in the office?)
>  
> Mike
> 
> 
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-- 
Michael Welter
Telecom Matters Corp.
Denver, Colorado US
+1.303.414.4980
mike at TelecomMatters.net
www.TelecomMatters.net