Owners Manual

LED Indicators
Hard drive carrier
• One single-color activity LED
• One dual-color LED status indicator per drive
Storage controller
• Two single-color LEDs per Ethernet port indicating activity and link speed
• One dual-color LED per SAS connector indicating port activity and status
• One single-color LED indicating status
• One single-color LED indicating system faults
• One single-color LED for system identification
Power supply/cooling fan One dual-color LED handle indicating power supply and cooling fan status
Power Supply Units (PSU)
AC power supply (per power supply) PSU Type 1 PSU Type 2 (Japan Only)
Maximum output power 1485 W 1485 W
Maximum input power 1688 W 1707 W
Maximum input current 8.8 A 17.5 A
Maximum inrush current 55 A for 10 ms or less 55 A for 10 ms or less
Nominal input voltage operating range 200–240 VAC 100–240 VAC
Nominal input frequency 50/60 Hz 50/60 Hz
Thermal output/heat dissipation 693 BTU per hour 757 BTU per hour
Inlet type C14 C20
Available Hard Drive Power (Per Slot)
Supported hard drive power consumption
(continuous)
Up to 1.2 A at +5 V
Up to 0.5 A at +12 V
Physical
Height 13.34 cm (5.25 in.)
Width 44.50 cm (17.5 in.)
Depth 78.27 cm (31 in.)
Approximate weight (maximum configuration) 45 kg (100 lb)
Approximate weight without drives 35 kg (77 lb)
Environmental
For additional information about environmental measurements for specific storage system configurations, see dell.com/
environmental_datasheets.
Temperature
Operating 10°C (50°F) to 35°C (95°F) with a maximum temperature gradation of 20°C/hour
(36°F/hour)
Operating above 35°C could result in data loss
Storage –40° to 65°C (–40° to 149°F) at a maximum altitude of 12,000 m (39,370 ft)
Relative humidity
Operating 10% to 80% (noncondensing) with 29°C (84.2°F) maximum dew point
Storage 5% to 95% (noncondensing) with 33°C (91°F) maximum dew point
Maximum vibration
Operating 0.26 G
rms
at 5–350 Hz for 15 min
SC7020 Series Storage System Technical Specifications 19