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Sun SNMP Management Agent Addendum for the Netra 440 Server 17
Detecting Fan Status
You can detect fan status using the following mechanisms:
■ Polling sunPlatNumericSensorCurrent and
sunPlatNumericSensorLowerThresholdNonCritical for the fan's tachometer and
comparing their values.
■ Polling the sunPlatEquipmentOperationalState of the fan.
■ Receiving a sunPlatStateChange trap corresponding to the change of the
sunPlatEquipmentOperationalState of the fan.
■ Receiving a sunPlatEnvironmentalAlarm trap with a
sunPlatNotificationProbableCause of coolingFanFailure(107).
Power Supplies
The power supplies are identified in the ENTITY-MIB::entPhysicalTable by the
entPhysicalDescr of Power Supply number where number is 0, 1 2 or 3. The power
supplies are represented in the SUN-PLATFORM-MIB::sunPlatEquipmentTable.
Each power supply contains the following sensors:
■ Power Inlet Presence Monitor
■ Fan Under-Speed Fault Monitor
■ Over-Voltage Fault Monitor
■ Under-Voltage Fault Monitor
■ Over-Temperature Fault Monitor
■ Over-Current Fault Monitor
These sensors are represented in the following tables:
■ SUN-PLATFORM-MIB::sunPlatEquipmentTable
■ SUN-PLATFORM-MIB::sunPlatSensorTable
■ SUN-PLATFORM-MIB::sunPlatBinarySensorTable