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Beginner

Medium Power vs Full Power on 1852

Hello.

I have this issue. I connected many AIR-AP1852I-E-K9 and AIR-AP1852E-E-K9 (they need 20.9W) to different switches that provide 15.4W so I saw "PoE/Medium Power (15.4 W)" on WLC. To provide what my APs need I used a power injector but even after that the WLC says "PoE/Medium Power (15.4 W)".
I tried three power injectors... Cisco, TP-Link and Maxi-Link. Still no joy.

Any idea what is going on?

2 REPLIES 2

Re: Medium Power vs Full Power on 1852

If you know for sure that switch or POE Injectors can provide 802.3at power, then probably it might be a bug.

 

Can you share the output of the following commands

 

On AP

show controllers dot11Radio 0

 

On WLC

show ap config 802.11b <AP Name>

 

Regards,

CJ

Beginner

Re: Medium Power vs Full Power on 1852

Switches cannot provide 802.3at power so we use 802.3at power injectors that should be capable of it.

WLC: A command shows 15.4W.

I checked logs on the AP and it says: CDP POE negotiation failed.

 

 

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