With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpeExtPdStatsTable
cpe Ext Pd Stats Table
1.3.6.1.4.1.9.9.402.1.4.2
This table contains the statistics information of the powered devices fallen into different power classifications in the system.
Back to CISCO-POWER-ETHERNET-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cpeExtPdStatsTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.