With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPoEPortInfoStatus
Switch PoE Port Info Status
1.3.6.1.4.1.171.12.24.4.1.1.6
The string describes the PoE port current status.
Back to PoE-MIB MIB page.
IPHost Network monitor allows you to monitor swPoEPortInfoStatus on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link access points right now.