Chapter 2 - Planning
2.8
System specifications
2.8.1
Environmental specifications for a tower unit
Description
Tower (Cannot mount on rack)
Temperature
10
∨
dm; to 35
∨
dm; C (50
∨
dm; -95
∨
dm; F)
Relative Humidity
20 to 80%, non-condensing
Max Vibration
0.26 G at 10-350 Hz for 10 minutes
Max Shock
half shock pulse of 31 G for up to 2.6 ms
Altitude
-50 to 10,000 ft (16 to 3048 m)
2.8.2
Environmental storage specifications for a tower unit
Description
Tower (Cannot mount on rack)
Temperature
-40
∨
dm; to 65
∨
dm; C (-40
∨
dm; to 149
∨
dm; F)
Relative Humidity
5 to 95%, non-condensing
Max Vibration
1.54 G at 10 – 250 Hz for 15 ms
Max Shock
half shock pulses of 71 G for up to 2 ms
Altitude
-50 to 35,000 ft (16 to 10600 m)
2.8.3
Environmental specifications for a cabinet
Ambient room
temperature
10° to 35°C (50° to 95°F) with a maximum temperature
gradation of 10°C per hour.
ATTENTION
For altitudes above 2950 feet, the maximum operating
temperature is derated 1°F/550 feet.
Humidity
20 to 80% RH, non-condensing
Operating vibration
0.012” P-P displ to 12.7 Hz, then 0.1g to 150 Hz; 60 min per
axis, all 3 axes
Site induced shock
6g, 10 msec half-sine pulses, 1 positive, 1 negative
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