Environmental specifications
The following tables describe the general environmental specifications for the R740xd system.
Note:
For additional information about environmental certifications, see the
Product Environmental Datasheet
located with the Manuals & Documents at
Table 17 Temperature specifications
Temperature
Specifications
Storage
–40°C to 65°C (–40°F to 149°F)
Continuous operation (for altitude less than 950 m or
3117 ft)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
Maximum temperature gradient (operating and
storage)
20°C/h (68°F/h)
Table 18 Relative humidity specifications
Relative humidity
Specifications
Storage
5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must
be non-condensing at all times.
Operating
10% to 80% relative humidity with 29°C (84.2°F) maximum dew point.
Table 19 Maximum vibration specifications
Maximum vibration
Specifications
Operating
0.26 G
rms
at 5 Hz to 350 Hz (all operation orientations).
Storage
1.88 G
rms
at 10 Hz to 500 Hz for 15 min (all six sides tested).
Table 20 Maximum shock specifications
Maximum shock
Specifications
Operating
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes of 6 G for up to 11 ms.
Storage
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes (one pulse on each side of the system) of 71 G for up to 2 ms.
Table 21 Maximum altitude specifications
Maximum altitude
Specifications
Operating
3048 m (10,000 ft)
Storage
12,000 m (39,370 ft)
Technical specifications
R740xd Owner's Guide
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