CBS250 PoE Questions

[CCC3]

I am using cisco cbs250-8fp-e-2g.

The ap (1852, 2802) is inherited by six generations.

The problem is that if 2802 is checked in wlc, the operational status is down and 2.4 / 5G is down.

I think it's the poe tribe
When you do show power inline on the switch, it appears on the power tab as follows.
Power (W)
7.682(22.5)

I looked it up and found that 22.5 is the maximum power available on that port and 7.682 is the power currently being supplied, does this mean it right?

And if correct, why not give 22.5w?
If you look at the ports of the equipment that are actually connected, it is supplied like a screenshot.

No ports give full power.

Why do you do that?

[Leo Laohoo]

CBS250-8FP-E-2G can only support up to 15.0wac per port and the 3800 require, a minimum, of 30.0wac.

I am not of authority to the 1815 but I believe this particular model requires 20.0wac.  

[CCC3]

Where can I find out that the switch only supports a maximum of 15w per port?

[Leo Laohoo]

The following switches support 802.3at PoE+, 802.3af, and Cisco prestandard (legacy) PoE. Maximum power of 30.0W to any 10/100 or Gigabit Ethernet port, until the PoE budget for the switch is reached.

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Wait a second.  I am reading this wrong. 

How many PD devices are currently drawing power from the switch?