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24 Avaya CMS Sun Fire V880/V890 Installation, Maintenance, and Troubleshooting May 2006
Environmental specifications
For the most reliable system operation:
● The room must have sufficient air conditioning capacity to support the cooling needs of the
entire system.
● The air conditioning system must have controls that prevent excessive temperature
changes.
● Do not turn on the computer until it has acclimated to the room temperature for at least 24
hours.
Use the guidelines in the following table for temperature, humidity, and altitude limits for units in
operation and for units that are not in operation (that is, units that are in transit or in storage).
Parameter Operating
(in service)
Nonoperating
(not in service)
Temperature 41°F to 95°F (5°C to 35°C)
IEC 68-2-2, 68-2-3
-4°F to 140°F (-20°C to 60°C)
IEC 68-2-2, 68-2-3
Humidity
(max)
20% to 80% RH
noncondensing at 27°C max wet bulb
IEC 68-2-2, 68-2-3
95% RH
noncondensing at 40°C
IEC 68-2-2, 68-2-3
Altitude (max) 10,000 feet (3 kilometers)
IEC 68-2-40, 68-2-41
40,000 feet (12 kilometers)
IEC 68-2-40, 68-2-41