Environmental requirements 147
3-Weights may vary due to different power supplies, IOMs, and differing calibrations between scales.
4-Weights may vary due to actual number and type of disk drives (SAS or SSD) and air management modules installed.
Environmental requirements
Table 32 Ambient temperature and humidity
Specification Temperature range Relative humidity Max. Wet Bulb
Operating RBOD: 5ºC to 35ºC (41ºF to
95ºF)
EBOD: 5ºC to 40ºC (41ºF to
104ºF)
20% to 80% non-condensing 28ºC
Non-operating (shipping) -40ºC to +70ºC (-40ºF to
+158ºF)
5% to 100% non-precipitating 29ºC
Specification Measurement/description
Airflow System must be operated with low pressure rear exhaust installation.
Back pressure created by rack doors and obstacles not to exceed 5Pa (0.5 mm
H
2
O)
Altitude, operating 2U enclosures: 0 to 3,000 meters (0 to 10,000 feet)
Maximum operating temperature is de-rated by 5ºC above 2,133 meters (7,000
feet)
5U enclosures: -100 to 3,000 meters (-330 to 10,000 feet)
Maximum operating temperature is de-rated by 1ºC above 900 meters (3,000 feet)
Altitude, non-operating -100 to 12,192 meters (-330 to 40,000 feet)
Shock, operating 5.0 g, 10 ms, ½ sine pulses, Y-axis
Shock, non-operating 2U enclosures: 30.0 g, 10 ms, ½ sine pulses
5U enclosures: 30.0 g, 10 ms, ½ sine pulses (Z-axis); 20.0 g, 10 ms, ½ sine pulses
(X- and Y-axes)
Vibration, operating 0.21 G
rms
5 Hz to 500 Hz random
Vibration, non-operating 1.04 G
rms
2 Hz to 200 Hz random
Vibration, relocation 0.3 G
rms
2 Hz to 200 Hz 0.4 decades per minute
Acoustics Sound power
2U enclosures:
ï€ ï‚£ L
WAd
6.6 Bels (re 1 pW) @ 23ºC
5U enclosures:
ï‚£ L
WAd
8.0 Bels (re 1 pW) @ 23ºC
Orientation and
mounting:
19" rack mount (2 EIA units; 5 EIA units)
• Rack rails To fit 800 mm depth racks compliant with the SSI server rack specification
• Rack characteristics Back pressure not exceeding 5Pa (~0.5 mm H
2
0)
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