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Dell Technologies ME52XX Series: руководство по обслуживанию
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Dell Technologies ME52XX Series: руководство по обслуживанию

Technical specifications

Enclosure dimensions

Table 1. 2U12 and 2U24 enclosure dimensions2U enclosure dimensions
Specification mm inches
Height 87.9 mm 3.46 in
Width 483 mm 19.01 in
Depth (2U12) 618.7 mm 24.36 in
Depth (2U24) 547.8 mm 21.56 in
NOTE:
  • The 2U12 enclosure uses 3.5" LFF disks.
  • The 2U24 enclosure uses 2.5" SFF disks.
Table 2. 5U84 enclosure dimensions5U84 enclosure dimensions
Specification mm inches
Height 222.3 mm 8.75 in
Width 483 mm 19.01 in
Depth 981 mm 38.62 in
NOTE:The 5U84 uses 3.5" LFF disks in the DDIC carrier. It can also use 2.5" SFF disks with 3.5" adapter in the DDIC.

Enclosure weights

Table 3. 2U12, 2U24, and 5U84 enclosure weightsWeights of the 2U12, 2U24, and 5U84 enclosures
CRU/component 2U12 (kg/lb) 2U24 (kg/lb) 5U84 (kg/lb)
Storage enclosure (empty) 4.8/10.56 4.8/10.56 64/141
Disk drive carrier 0.9/1.98 0.3/0.66 0.8/1.8
Blank disk drive carrier 0.05/0.11 0.05/0.11 —
Power Cooling Module (PCM) 3.5/7.7 3.5/7.7 —
Power Supply Unit (PSU) — — 2.7/6
Fan Cooling Module (FCM) — — 1.4/3
SBB controller module (maximum weight) 2.6/5.8 2.6/5.8 2.6/5.8
SBB expansion module 1.5/3.3 1.5/3.3 1.5/3.3
RBOD enclosure (fully populated with modules: maximum weight) 32/71 30/66 135/298
EBOD enclosure (fully populated with modules: maximum weight) 28/62 25/55 130/287
NOTE:
  • Weights shown are nominal, and subject to variances.
  • Weights may vary due to different controller modules, IOMs, and power supplies; and differing calibrations between scales.
  • Weights may also vary due to the number and type of disk drives (SAS or SSD) installed.

Environmental requirements

Table 4. Ambient temperature and humidityAmbient temperature and humidity
Specification Temperature range Relative humidity Max. Wet Bulb
Operating
  • RBOD: 5ºC to 35ºC (41ºF to 95ºF)
  • EBOD: 5ºC to 40ºC (41ºF to 104ºF)
20% to 80% non-condensing 28ºC
Non-operating (shipping) -40ºC to +70ºC (-40ºF to +158ºF) 5% to 100% non-precipitating 29ºC
Table 5. Additional environmental requirementsEnvironmental requirements
Specification Measurement/description
Airflow
  • System must be operated with low pressure rear exhaust installation.
  • Back pressure created by rack doors and obstacles not to exceed 5Pa (~0.5 mm H2O)
Altitude, operating
  • 2U enclosures: 0 to 3,000 meters (0 to 10,000 feet)
  • Maximum operating temperature is de-rated by 5ºC above 2,133 meters (7,000 feet)
  • 5U84 enclosures: -100 to 3,000 meters (-330 to 10,000 feet)
  • Maximum operating temperature is de-rated by 1ºC above 900 meters (3,000 feet)
Altitude, non-operating -100 to 12,192 meters (-330 to 40,000 feet)
Shock, operating 5.0 g, 10 ms, ½ sine pulses, Y-axis
Shock, non-operating 2U enclosures: 30.0 g, 10 ms, ½ sine pulses
5U84 enclosures: 30.0 g, 10 ms, ½ sine pulses (Z-axis); 20.0 g, 10 ms, ½ sine pulses (X- and Y-axes)
Vibration, operating 0.21 Grms 5 Hz to 500 Hz random
Vibration, non-operating 1.04 Grms 2 Hz to 200 Hz random
Vibration, relocation 0.3 Grms 2 Hz to 200 Hz 0.4 decades per minute
Acoustics Operating sound power
  • 2U enclosures: ≤ LWAd 6.6 Bels (re 1 pW) @ 23ºC
  • 5U84 enclosures: ≤ LWAd 8.0 Bels (re 1 pW) @ 23ºC
Orientation and mounting 19" rack mount (2 EIA units; 5 EIA units)

Power cooling module

Specifications for the PCM are provided in the following table.

Table 6. 2U Power cooling module specifications2U Power cooling module specifications
Specification Measurement/description
Dimensions (size) 84.3 mm high x 104.5 mm wide x 340.8 mm long
  • X-axis length: 104.5 mm (4.11 in)
  • Y-axis length: 84.3 mm (3.32 in)
  • Z-axis length: 340.8 mm (37.03)
Maximum output power 580 W
Voltage range 100–200 VAC rated
Frequency 50/60 Hz
Voltage range selection Auto-ranging: 90–264 VAC, 47–63 Hz
Maximum inrush current 20A
Power factor correction ≥ 95% @ nominal input voltage
Efficiency 115 VAC/60 Hz 230 VAC/50 Hz
> 80% @ 10% load > 80% @ 10% load
> 87% @ 20% load > 88% @ 20% load
> 90% @ 50% load > 92% @ 50% load
> 87% @ 100% load > 88% @ 100% load
> 85% @ surge > 85% @ surge
Harmonics Meets EN61000-3-2
Output +5 V @ 42A, +12 V @ 38A, +5 V standby voltage @ 2.7A
Operating temperature 0ºC to 57ºC (32ºF to +135ºF)
Hot pluggable Yes
Switches and LEDs AC mains switch and four status indicator LEDs
Enclosure cooling Dual axial cooling fans with variable fan speed control

Power supply unit

Table 7. 5U84 Power supply unit specifications5U84 Power supply unit specifications
Specification Measurement/description
Maximum output power 2,214 W maximum continuous output power at high line voltage
Voltage
  • +12 V at 183 A (2,196 W)
  • +5 V standby voltage at 2.7 A
Voltage range 200–240 VAC rated
Frequency 50/60 Hz
Power factor correction ≥ 95% @ 100% load
Efficiency
  • > 82% @ 10% load
  • > 90% @ 20% load
  • > 94% @ 50% load
  • > 91% @ 100% load
Holdup time 5 ms from ACOKn high to rails out of regulation (see SBB v2 specification)
Main inlet connector IEC60320 C20 with cable retention
Weight 3 kg (6.6 lb)
Cooling fans Two stacked fans: 80 mm x 80 mm x 38 mm (3.1 in. x 3.15 in. x 1.45 in.)