Avaya Media Processing Server Series Alarm Reference Manual (Software Release 2.1) Manual do Utilizador descarregar pdf (Página 442)

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101

Temperature

The system (and all components) are designed to operate within a normal temperature

range. If the system operates outside that range for extended periods of time,

components may be damaged beyond simple repair. There are two temperature

threshold levels which the system monitors. Exceeding the first (lower) threshold is an

early indication of a power supply problem. Exceeding the second (higher) threshold

can mean permanent damage to system components. To diagnose possible

temperature problems:

• Verify that the system has adequate ventilation space and the system fans are

working.

• Verify the monitored temperature with the ncd chassisinfo command.

A faulty A/D chip can create unusually high (>200c) or low (<50c)

temperature readings.

Current

Each system power supply is monitored by the controlling NIC. If it detects current

use between 85% and 95% of the maximum power rating for that supply, it generates a

low-threshold alarm. If it detects current use greater than 95% of the maximum power

rating, it generates a high-threshold alarm. A higher threshold alarm may indicate an

improperly functioning power supply. To diagnose possible power supply current

problems:

• Verify the monitored current with the ncd chassisinfo command. A

faulty A/D chip can create unusually high or low readings.

Voltage

Each system power supply is monitored by the controlling NIC. If it detects voltages

that get out of tolerance by 12% or more, it generates an alarm. An over-voltage

condition can cause permanent damage to system components. To diagnose possible

voltage problems:

• Verify the monitored voltage with the ncd chassisinfo command. A

faulty A/D chip can create unusually high or low readings.

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