Dell PowerEdge XE9785 Installation and Service Manual

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Environmental specifications

NOTE:For additional information about environmental certifications, refer to the Product Environmental Datasheet located with the Manuals & Documents on Dell Support.

Table 1. Continuous Operation Specifications for ASHRAE A2 This table describes the operational climatic range for category A2.
Parameters	Allowable continuous operations
Temperature range for altitudes <= 900 m (<= 2953 ft)	10–35°C (50–95°F) with no direct sunlight on the equipment
Humidity percent range (non-condensing at all times)	8% RH with -12°C minimum dew point to 80% RH with 21°C (69.8°F) maximum dew point
Operational altitude de-rating	Maximum temperature is reduced by 1°C/300 m (33.8°F/984 Ft) above 900 m (2953 Ft)

Table 2. Common Environmental Specifications for all categories This table describes the shared requirements for all categories.
Parameters	Allowable continuous operations
Maximum temperature gradient (applies to both operation and non-operation)	20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (41°F in 15 minutes), 5°C in an hour* (41°F in an hour) for tape NOTE:* - Per ASHRAE thermal guidelines for tape hardware, these are not instantaneous rates of temperature change.
Non-operational temperature limits	-40°C to 65°C (-40°F to 149°F)
Non-operational humidity limits	5% to 95% RH with 27°C (80.6°F) maximum dew point
Maximum non-operational altitude	12,000 meters (39,370 ft)
Maximum operational altitude	3,048 meters (10,000 ft)

Table 3. Maximum vibration specificationsThe maximum vibration specification of an operational system is 0.21 Grms at 5 Hz to 500 Hz (all operation orientations). The maximum vibration specification of a nonoperational system is 1.38 Grms at 7 Hz to 250 Hz for 15 minutes.
Maximum vibration	Specifications
Operating	0.21 G_rms at 5 Hz to 500 Hz (all operation orientations)
Storage	1.38 G_rms at 7 Hz to 250 Hz for 15 minutes

Table 4. Maximum shock pulse specificationsThe maximum shock specification of an operational system is six consecutively performed shock pulses in the positive and negative x, y, and z axis of 40 G for up to 2.3 ms. The maximum shock specification of a non-operational system is six consecutively performed shock pulses in the positive and negative x, y, and z axis (one pulse on each side of the system) of 71 G for up to 2 ms.
Maximum shock pulse	Specifications
Operating	Six consecutively performed shock pulses in the positive and negative x, y, and z axis of 6 G for up to 11 ms.
Storage	Executed shock pulses in z axis (one pulse) of 71G for up to 2ms