[asterisk-users] Cisco power injector with GXP2000 phones

[Jon Pounder]

Quoting Ricardo Carvalho <rjcarvalho.lists at gmail.com>:

> I only see one explanation to my problem...
>
> GXP2000 phones only implement PoE mode A of the IEEE 802.3af protocol, and
> the power injector does only PoE mode B of the IEEE 802.3af protocol. The
> switch does mode A.
> The problem is that I can't prove this! can't find documentation with this
> kind of detail. If someone does, please tell.


what is the difference between the modes - is it just the pins used ?

if so why not switch them around at your patch panel and see if that helps

>
> Regards,
> Ricardo Carvalho.
>



Jon Pounder

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