Dell R220 owner manual Usb

Connectors

USB	Two 4-pin, USB 3.0-compliant
Video	15-pin VGA
Front
USB	Two 4-pin, USB 2.0-compliant
Video	15-pin VGA
Internal
USB	One 4-pin, USB 2.0-compliant

Environmental

NOTE: For additional information about environmental measurements for specific system

configurations, see dell.com/environmental_datasheets.

Temperature
Maximum	10 °C/h (50 °F/h)
Temperature Gradient
(Operating and
Storage)
Storage Temperature	–40 °C to 65 °C (–40 °F to 149 °F)
Limits

Temperature (Continuous Operation)

Temperature Ranges (for altitude less than 950 m or 3117 ft)

Humidity Percentage Range

Relative Humidity

Storage

Maximum Vibration

Operating

Storage

Maximum Shock

Operating

Storage

10 °C to 35 °C (50 °F to 95 °F) with no direct sunlight on the equipment.

10% to 80% Relative Humidity with 29 °C (84.2 °F) maximum dew point.

5% to 95% RH with 33 °C (91 °F) maximum dew point. Atmosphere must be non-condensing at all times.

0.26Grms at 5 Hz to 350 Hz for 15 minutes (all operation orientations).

1.88Grms at 10 Hz to 500 Hz for 15 minutes (all six sides tested).

One shock pulse (one pulse each side of the system) of 31 G for 2.6 ms in the operational orientation.

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.

Six consecutively executed shock pulses in the positive and negative x, y, and z axes (one pulse on each side of the system) of 32 G faired square wave pulse with velocity change at 270 inches/second (686 centimeters/second).

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