With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPoESystemLedMode
Switch PoE System Led Mode
1.3.6.1.4.1.171.12.24.1.4
Specifies if the system mode will be POE or NORMAL.
Back to PoE-MIB MIB page.
IPHost Network monitor allows you to monitor swPoESystemLedMode 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 IP cameras right now.