With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
portInlinePowerDetect
port Inline Power Detect
1.3.6.1.4.1.9.5.1.4.1.1.24
Indicate if the port detects an inline power capable device connected to it.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor portInlinePowerDetect on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.