Dell PowerVault MD2424 Manuale d'uso - Pagina 34

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Table 4. Other environmental requirements

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 0.47 G

Vibration, non-operating, random rack

Vibration, transporting

Acoustics

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 5. AC Power supply unit specifications

Specification

Maximum output power

Voltage

Frequency

Holdup time

Inrush current

Leakage current

Efficiency

Power factor

Technical specifications

Measurement or description

900 meters @ 45°C ; 3050 meters @ 33°C

NOTE:

Ramp Altitude at 3.81m/s and temperature at 20˚C/Hr

Maximum 12,000 m (39,370 ft)

6.0 g, 11 ms. Four shocks positive and four negative in each of 3 axes, 24 total

shocks.

25g, 3ms. Three shocks positive and three negative in each of 3 axes, 18 total

shocks.

50g, 2ms. One time per face (except front and rear face), total 4 shocks.

0.21 G

5 Hz–500 Hz random; 10 minutes/axis

rms

; 4–5 00Hz; vertical axis; random; 90 minutes per axis

rms

0.39 G

; 4–500Hz; horizontal axis; random; 30 minutes per axis

rms

0.88 G

; 2–200Hz; random; minutes in normal shipping orientation

rms

1.15G

1 ~–200 Hz; 4 sides (bottom, top, left, right). 30 minutes per side based

rms

on ISTA 2A Standard

Operating sound power ≤ 8.0 Bels L

Measurement

800 W

● Low line 100-127 VAC

● High line 200-240 VAC

● 240 VDC (China only)

50/60 Hz

10 ms

55 A (maximum)

0.875 mA (maximum)

230 VRMS

● >90% @ 10% load

● >94% @ 20% load

● >96% @ 50% load

● >92% @ 100% load

115 Vac 50Hz/240 Vac 60 Hz

● >0.90 @ 5%-10% load

● >0.96 @ 20% load

● >0.98 @ 50% load

(@ 23 ± 2°C )

WAd