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AIR-AP2802I-E-K9 APs PoE diffrences

Moudar
VIP Alumni
VIP Alumni

Hi!

We are running a 5520 WLC and we have got many different AP models running.

We have many AIR-AP2802I-E-K9 APs that are running in different ways, meaning some are running  by PoE switch and some are running with a Power injectors.

Some PoE switches we have can only PoE and not PoE+, example is SG-300 switches.

When i check the power consumption that the AIR-AP2802I-E-K9 APs are using on the SG-300 switches i see that the AIR-AP2802I-E-K9 are only using 9.5 watts.

When these APs are using a power injectors then they use about 25 watts!

 

What is the practical difference between 9.5 and 25 watts?

I did some Googling and find that the antennas number on an AP maybe affected with low wattage! is that right?

How and where to see the difference?

AIR-AP2802I-E-K9 model is 4x4 do they work like 1x1 with low wattage? where can i show this ?

We have thousands of laptops that are 2x2 so 1x1  is bad i think !

 

Same is right with APs like 1850 model!

 

 

Another question is about Clientlink 4.0!

When i check AIR-AP2802I-E-K9 i see that legacy beamforming is disabled, how to show that Clientlink 4.0 is enabled on AIR-AP2802I-E-K9 model?

15 Replies 15

Yes they will work with 802.3af PoE. Check this from DS:

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