Motorola CPX8000 User Manual

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Specifications
Environmental Characteristics
ENVIRONMENTAL CHARACTERISTICS
 Temperature
Operating: 
0º to 50º C (32º to 122º F) continuous duty with linear current derating 
between +50º C to +60º C (122º to 140º F) to 50% maximum rated power
Storage and Transit:
-25º TO +85º C (-13º to 185º F)
Maximum Altitude
Operating: 
Linear current derating to 85% between 8,000 feet and 12,000 feet
Storage and Transit:
30,000 feet
Shock
No degradation at 25g shock of 11ms duration at 1/2 sine wave in three 
planes.
Vibration
No degradation at sine 10 to 100 to 10Hz to 2g 10min/decade three planes.
Meets NEBS Bellcore TR-NWT-000063, Zone 4 Earthquake Vibration
Acoustic Noise
Maximum sound level 70dbA (measured at 1 meter from the power supply 
at all points around it using a sound-level meter meeting ANSI Standard 
S1.4-1983, General Purpose Sound-Level Meter)
Cooling
The power supply meets all specifications when cooled by the fan in its 
subenclosure within the restriction of the system enclosure.