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Table 1-1. Electrical and Environmental Specifications (continued)
PHYSICAL CHARACTERISTICS
Dimensions
Height:
Width:
Depth:
Weight:
Venti lation:
ENVIRONMENTAL SPECIFICATIONS
Temperature
Operating:
266 mm (10.5 in)
483 mm
(19 in)
610 mm
(24 in)
29.5 kg
(65 Ib)
Four fans provide approximately 10.1 cubic meters
per minute (360 cfm) front-to-rear airflow, half through
the card cage and half to cool the power supply.
0° to 55° C (32° to 131 ° F) up to 3048 meters (10,000 ft);
Maximum temperature is linearly derated 2°
C
(3.6° F)
for each 304.8 m (1000 ft) increase in altitude.
The resulting temperature range is 0° to 45°
C
(32° to 113 ° F) at 4572 meters (15,000 ft).
Non-operating:
-40° to 75°
C
(-40° to 167° F);
with optional battery backup:
-40° to 60°
C
(-40° to 140° F)
Relative humidity
Operating:
Non-operating:
Altitude
Operating:
Non-operating:
Vibration and Shock
Shock
Operating:
Non-operating:
Vibration
Operating:
Gravity, due to acceleration:
1-4
Introduction
5% to 95% with maximum wet bulb temperature not to
exceed 40°
C
(140° F), excluding all conditions which
may cause condensation.
5% to 95% in non-condensing conditions.
to 4.6 km (15,000 ft)
to 15.2 km (50,000 ft)
1.5 g peak,
Y2
sine, 6 to 9 ms duration, 45 Hz crossover
7.0 g peak, % sine, 6 to 9 ms duration, 45 Hz crossover
Frequency (Hz)
5
5-15
15
12-200
200-350
350-500
Power spectral density (g2 /Hz)
0.002
-1/.5 dB/octave
0.0015
-6.0 dB/octave
0.00012
~6.0
dB/octave
0.43 rms (approximate)
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