[Asterisk-Users] Linksys SRW224P POE Switch

[Rich Adamson]

Tom wrote:
> At 05:24 AM 6/10/2006, you wrote:
>> " What will you be powering with it?  I bought one to power Cisco IP
>> phones but realized that it will not power them before it arrived."
>>
>> What obscure cisco phones are you using ?
> 
> 7960G  - pretty obscure huh?
> 
> 
>> You may only need a different fly lead if you have older pre standard 
>> phones
>> otherwise it should work ok.
> 
> Pay attention Fadge:  There are many types of POE and at least two types 
> that use 48v and are somewhat 802.3af compliant.  Older POE like Cisco 
> take their power over the unused pairs of an ethernet cable.
> 
> Most of the latest generation POE switches including the Linksys SRW224P 
> provide their power on the data pairs, not the unused pairs.  So if both 
> the data and the power are on the same pairs, how do you make a cable 
> adapter to work with the 7960G?

Its my understanding the 7960"G" model is .3af compliant, and the older 
7960's are not. I think I read that on one of Cisco's pages, but not 
sure, and obviously I haven't tested it.

R.