04-01-2014 01:17 PM - edited 03-16-2019 10:20 PM
Hi,
Can anyone tell exactly how much Power required for 9951 Phones with Camera. if you can send any link that would be helpful.
Thank you.
04-01-2014 09:29 PM
Hi,
You can use 9900 series along with camera with 802.3af as per the link below link.
https://supportforums.cisco.com/discussion/10808941/poe-class-4-9951-phones
if you refer table 2.1 , it says 802.3at for external add-on devices.
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/9971_9951_8961/8_6/english/admin_guide/9971ena86/9971ins.html
I suggest speaking to Cisco SE.
regds,
aman
04-02-2014 01:27 AM
Hi Aman,
Thanks for your quick response.
Customer is having hp 29xx series poe+ switches , 9951 phone is booting up but the camera is not working it giving error "UNABLE TO POWER THE ACCESORY" . When i access the hp switch it showing 6.4 watts for 9951 phone. and needs to exactly tell the customer how much power it require to support phone+camera.
04-02-2014 01:56 AM
Hi,
Datasheet of 9900 says that it is a Class 3/class 4 device .Class 3 device requires 15.4W under 802.3af.
You can give a try with 802.3af.
regds
aman
04-02-2014 03:02 PM
You'll need to force the HP switch to push 20.0w PoE to the port.
Make sure the HP switch still has ample power left or has excess power to push 20.0w.
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