Technical Specifications 217
QXS 2U/5U Environmental Requirements
This section contains the following information:
• QXS 2U/5U Ambient Temperature and Humidity Requirements
• QXS 2U/5U Additional Environmental Requirements
QXS 2U/5U Ambient Temperature and Humidity Requirements
Tabl e 5 1 provides the 2U/5U ambient temperature and humidity requirements.
QXS 2U/5U Additional Environmental Requirements
Tabl e 5 2 provides the 2U/5U additional environmental requirements.
Ta b l e 5 1 QXS 2U/5U Ambient Temperature and Humidity Requirements
Specification Temperature Range Relative Humidity Maximum Wet Bulb
Operating RAID Chassis: 5ºC to 35ºC
(41ºF to 95ºF)
Expansion Chassis: 5ºC to
40ºC (41ºF to 104ºF)
20% to 80%
non-condensing
28ºC
No-operating (shipping) -40ºC to +70ºC (-40ºF to
+158ºF)
5% to 100%
non-precipitating
29ºC
Ta b l e 5 2 QXS 2U/5U Additional Environmental Requirements
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 chassis: 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 chassis: -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 chassis: 30.0 g, 10 ms, ½ sine pulses
5U chassis: 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 Gr
ms
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