With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPoEPortCtrlUserDefined
Switch PoE Port Control User Defined
1.3.6.1.4.1.171.12.24.3.1.1.5
User defined per-port power limit (in milliwatts). If a port exceeds 10% of its power limit, the PoE system will shut down that port. The default setting is 15400 mW. Note: This object is valid only while the swPoEPortCtrlPowerLimit object is configured as user-defined.
Back to PoE-MIB MIB page.
IPHost Network monitor allows you to monitor swPoEPortCtrlUserDefined 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 switches right now.