[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
>
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip

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