With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpeExtPsePortEntry
cpe Ext Pse Port Entry
1.3.6.1.4.1.9.9.402.1.2.1
A cpeExtPsePortEntry extends a corresponding pethPsePortTable entry. This entry displays and controls more characteristics of a power Ethernet port on a PSE device.
Back to CISCO-POWER-ETHERNET-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cpeExtPsePortEntry 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.