44
QXS Site Planning Guide
RAID and Expansion Chassis Environmental Requirements
This section includes the following information for the RAID and expansion chassis:
•
Operating Environmental Specifications
•
Non-operating Environmental Specifications
•
Declared Acoustic Noise Levels
Operating Environmental Specifications
Table 30
provides QXS 12, 24, 48, and 56-drive operating environmental specifications.
Non-operating Environmental Specifications
Table 31
provides QXS 12, 24, 48, and 56-drive non-operating environmental specifications.
Table 30
QXS 12, 24, 48, and 56-Drive Operating Environmental Specifications
Specification
Range
Altitude
To 3,000 meters (9,843 feet) 2U12/2U24/2U48]
To 1,829 meters (6,000 feet) [4U56]
Temperature*
(41ºF to 104ºF) 5ºC to 40ºC
Humidity
10% to 90% RH up to 40ºC (104ºF) non-condensing
Shock
3.0 g, 11 ms, ½ sine pulses, X, Y, Z
Vibration
(Shaped-spectrum)
5 Hz to 500 Hz, 0.14 G
rms
total X, Y, Z
*Tempeature is de-rated by 2ºC (3.6ºF) for every 1 km (3,281) feet above sea
level.
Table 31
QXS 12, 24, 48, and 56-Drive Non-operating Environmental Specifications
Specification
Range
Altitude
To 12,000 meters (39,370 feet)
Shipping Temperature*
-40°F to 158°F (-40°C to 70°C)
Note
: De-rate 2°C for every km, up to 3000 meters
Humidity
Up to 93% RH @ 104ºF (40ºC) non-condensing
Shock
15.0 g, 11 ms, ½ sine pulses, X, Y, Z [2U12/2U24/2U48]
1” drop to hard unyielding surface per NEBS GR-63-CORE
Unpackaged Equipment Shock Criteria (§4.3.2) [4U56]
Vibration
(Shaped-spectrum)
2.8 Hz to 365.4 Hz, 0.852 G
rms
total (horizontal)
2.8 Hz to 365.4 Hz, 1.222 G
rms
total (vertical)
