Trap indicating the power supply state. rndErrorSeverity will be: 0 for power supply state nomal, notPresent 1 for power supply state warning, notFunctioning 2 for power supply state critical 3 for power supply state fatal The error text will specify the power supply index, power supply description and the exact power supply state
Sources for this description
D-Link official switch MIBsD-Link MIB copies (LibreNMS/Observium Community)