With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swDlinkEquipmentFan1Status
Switch Dlink Equipment Fan1 Status
1.3.6.1.4.1.171.12.11.1.5.1
Indicates status of the first fan
Back to DLINK-EQUIPMENT-MIB MIB page.
IPHost Network monitor allows you to monitor swDlinkEquipmentFan1Status 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.