System Heat Output Power (VA) Weight Rack Mounted Dimensions
Model Watts BTU/hr 100-120 / 200-240 V~ lb / kg WxDxH in (cm)
DD620 with 7 Disk Drives 311 1061 330 49 / 22.2 19 (48.3) 22 (55.9) 3.5 (8.9)
DD620 with 12 Disk Drives 339 1157 373 57 / 25.8 19 (48.3) 22 (55.9) 3.5 (8.9)
Operating Temperature 50° to 95° F (10° to 35° C),derate 1.1° C per 1000 feet, above 7500 feet up to 10,000 feet
Operating Humidity 20% to 80%, non-condensing
Non-operating Temperature -40° to +149° F (-40° to +65° C)
Operating Acoustic Noise Max 7.9 Bel, Sound Power at 25° C when all drives seek simultaneously
Specications
Requirement DD620 Controller
Vertical Space In Standard
19”, Four Post Rack
2U. Do not use a two-post rack. See the included rail and installation documentation instructions to install in a rack.
Air Conditioning Use air conditioning that can cope with the maximum BTU/hr thermal rating.
Temperature Controls Use adequate temperature control with a gradient (change) not to exceed 30° C in an hour.
Ventilation and Airow In a closed or multi-unit rack, ensure that the unit has adequate airow through the front bezel and back panel and that the
ambient air temperature requirements are met. Ensure that the front bezel and back panel clearances are met. If installing in
a closed cabinet, ensure that the front and rear doors have at least 65% open area to ensure adequate airow for cooling.
Front Bezel Clearance 1.56 inch (4 cm) of unobstructed clearance.
Back Panel Clearance 5 inches (12.7 cm) of unobstructed clearance.
Power / Grounding Two AC power outlets with an earth ground conductor (safety ground). A safe electrical earth connection must be provided
to each power cord. Voltage: 100-120 V~ or 200-240 V~. Frequency: 50 to 60 Hz.
Site Requirements
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