With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lldpXMedRemXPoEPDPowerSource
lldp X Med Remote X Po EPD Power Source
1.0.8802.1.1.2.1.5.4795.1.3.7.1.2
Defines the type of Power Source advertised as being used by the device connected remotely to the port. A value fromPSE(2) indicates that the device advertises its power source as received from a PSE. A value local(3) indicates that the device advertises its power source as local. A value localAndPSE(4) indicates that the device advertises its power source as using both local and PSE power.
Back to LLDP-EXT-MED-MIB MIB page.
IPHost Network monitor allows you to monitor lldpXMedRemXPoEPDPowerSource on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.