With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lldpXMedLocXPoEDeviceType
lldp X Med Loc X Po E Device Type
1.0.8802.1.1.2.1.5.4795.1.2.10
Defines the type of Power-via-MDI (Power over Ethernet) advertised by the local device. A value pseDevice(2) indicates that the device is advertised as a Power Sourcing Entity (PSE). A value pdDevice(3) indicates that the device is advertised as a Powered Device (PD). A value of none(4) indicates that the device does not support PoE.
Back to LLDP-EXT-MED-MIB MIB page.
IPHost Network monitor allows you to monitor lldpXMedLocXPoEDeviceType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.