Re: [asterisk-users] Cisco 7940 not getting PoE from Linksys…

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Author: Kristian Kielhofner
Date:  
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Cisco 7940 not getting PoE from Linksys SLM224P
On 7/7/08, M B <mb850t@???> wrote:
> Anybody have ideas on how I can troubleshoot? From what I've read
> cisco VoIP phones should be able to get PoE from these switches. I'm
> using a straight-through cat5e cable. Plug the phone in and nothing.
> Is there anyway I can test the PoE switch (it was a refurb unit from
> CDW) w/out having a PoE device? Thanks-
>
> Matt
>


The switch you're using supports IEEE 802.3af standard PoE. The phone
(7940) supports pre-standard "Cisco in-line power". There are some
various hacks for this situation scattered around the internet.

-- 
Kristian Kielhofner
NOT sent from my iPhone or Blackberry


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