The ES3000 is 802.3af complaint and can power up the AP7522, which supports 802.3af. The ES-3000-PWR-10-WW has 24 IEEE 802.3af complaint port. The maximum power budget on the ES-3000-PWR-10-WW is 170 watts, which limits the total amount of power going out of all the ports. Please ensure that maximum power budget is not exceeded.
The AP-7522 is 802.3af compliant, as well as other Extreme Networks Access Points (please review specification sheets for each Extreme Networks Access Point, which documents if AP supports 802.3af and/or 802.3AT.