[cisco-voip] 802.3at and the 9971 / VXC 2112
Adam Frankel (afrankel)
afrankel at cisco.com
Tue Jan 17 16:18:38 EST 2012
With the fix for CSCtl08010, you should be able to disable power
negotiation at the device/common/enterprise level in CUCM.
You also need 9.1(1) or newer firmware.
Adam
------------------------------------------------------------------------
*From:* Mike King <me at mpking.com>
*Sent:* Tue, Jan 17, 2012 2:49:36 PM
*To:* Cisco VoIPoE List <cisco-voip at puck.nether.net>
*CC:*
*Subject:* [cisco-voip] 802.3at and the 9971 / VXC 2112
> We have a 9971 phone with the VXC 2112 backpack, and we've connected
> it to one of our Juniper switches that provide 802.3at power.
>
> However the backpack (or the camera) does not appear to work with it.
> (Works fine with the power cube)
>
> Is there anything we have to do to enable PoE Plus (802.3at)? I know
> the switch is providing it. (Its registering it as a class 4 device,
> but the phone is only drawing 7.4W, out of a Max of 30W)
>
> Mike
>
>
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> cisco-voip at puck.nether.net
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