Dell PowerVault MD2460 Panduan Pemilik - Halaman 45

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Table 9. Additional environmental requirements (continued)
Specification
Altitude, operating
Altitude, non-operating
Shock, operating
Shock, non-operating square shock
Shock, non-operating half sine shock
Vibration, operating
Vibration, non-operating random chassis
Vibration, non-operating random rack
level
Vibration, non-operating package
transporting
Acoustics
Orientation and mounting
Power-on and reset
The firmware boot time from power-on reset or soft reset to SMP target readiness is typically less than two minutes. Actual
boot time may vary depending on your specific configuration.
Power supply unit
Table 10. Power supply unit specifications 
Specification
Measurement/description
Maximum
1500 W maximum continuous output power at high line voltage
output power
Voltage
● High Line AC input voltage, 200-240 V nominal
● 240 VDC (China only)
Frequency
50/60 Hz
Power factor
≥ 95% @ 100% load
correction
Efficiency
At 230 VAC input voltage (RMS)
● >81% @ 10% load
● >90% @ 20% load
● >94% @ 50% load
● >91% @ 100% load
Measurement/description
● Back pressure created by rack doors and obstacles not to exceed 5 Pa (~0.5
mm H
O).
2
● 900 m at 45°C
● 3050 m at 33°C
NOTE:
Ramp altitude at 3.81 m/s and Temperature at 20°C/Hr
Maximum 12,000 m (39,370 ft)
6.0 g, 11 millisecond, four positive and four negative shocks in each of the three
axes, 24 total shocks
25.0 g, 3 millisecond, three positive and three negative shocks in each of the three
axes, 18 total shocks
50.0 g, 2 millisecond, one time/face (except front and rear face), total four pulses
0.21 G
, 5 Hz–500 Hz, X, Y, Z axis, random vibration spectrum: 10 minutes/axis
rms
0.47 G
, 4 Hz–500 Hz, vertical axis, random vibration spectrum: 90 minutes/axis
rms
0.39 G
, 4 Hz–500 Hz, horizontal axis, random vibration spectrum: 30 minutes/
rms
axis
0.88 G
, 2 Hz–200 Hz, random vibration spectrum: 15 minutes, only normal
rms
shipping orientation
1.15 G
, 1 Hz–200 Hz, 4 product sides (bottom, top, left, right), 30 in/side
rms
Operating sound power ≤ L
19" rack mount
8.0 Bels (re 1 pW) @ 23 ± 2°C
WAd
At 180 VAC input voltage (RMS)
● >81% @ 10% load
● >89% @ 20% load
● >93% @ 50% load
● >90% @ 100% load
Technical specifications
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