Network technologies and trends

Jun 21 2010   9:13AM GMT

POE Compatibilty between Cisco 1252 Aironet Access Point & Cisco 3750 E POE Switch

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

Recently one my colleague was trying to connect a Cisco 1252 Aironet Access Point without a power injector to a Cisco 3750 E POE Switch, but the device was not coming up, he was receiving the following log in the Cisco Aironet Access Point.

Jun 21 08:30:28.447: %CDP_PD-2-POWER_LOW: All radios disabled – NEGOTIATED WS-C3

750E-48PD (8843.e17f.f60d)

Jun 21 08:31:28.451: %CDP_PD-2-POWER_LOW: All radios disabled – NEGOTIATED WS-C3

750E-48PD (8843.e17f.f60d)

And when we checked the Cisco 1252 Aironet Access Point from the Internet Explorer we got this message.

Looking at the logs and graphical view I figured out the Cisco 1252 Aironet Access Point shut downed its radio interface as it was not getting the sufficient power.

Normally the Cisco 1252 Aironet Access Point requires more than 16 watts of power, whereas the Cisco 3750 E Switch is capable of providing maximum of 15.4 watts.

I am trying to find out a way to resolve these issues. The moment I get any resolution I will update you all folks.

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