Fujitsu MAH3091MC - Enterprise 9.1 GB Hard Drive, Руководство по обслуживанию

Страница: 33 / 157

C141-E103-01EN 2 - 4
2.1.3 Environmental specifications
Table 2.2 lists environmental and power requirements.
Table 2.2 Environmental/power requirements
Specification
Item
MAJ3364 series MAJ3182 series MAJ3091 series MAH3182 series MAH3091 series
Operating 5 to 50°C
Non-operating –40 to 60°C
DE surface temperature at operating 5 to 55°C
Gradient 15°C/h or less
Operating 20 to 80%RH
Non operating 20 to 80%RH
Packaged (inside of a week) 5 to 90%RH
Maximum wet bulb temperature 29°C (no condensation)
Operating (*3) 0.3 mm (5 to 20Hz)/4.9m/s
2
(0.5G) (20 to 300 Hz) or less
Non-operating (*4) 3.1 mm (5 to 20Hz)/49m/s
2
(5G) (20 to 300Hz) or less
Packaged 3.1 mm (5 to 20Hz)/49m/s
2
(5G) (20 to 300Hz) or less
Operating 196.1m/s
2
(20G) (2 ms)
Non-operating 1961.3m/s
2
(200G) (2 ms)
Operating –60 m to 3,000 m
Non-operating –60 m to 12,000 m
+12 VDC ±5% Ready (Average) 0.65 A 0.5 A 0.45 A 0.25 A 0.2 A
Peak within
100
µ
s at spin-up
3.0 A
Random W/R
(about 80 IOPS) 1.3 A 0.8 A 0.7 A 1.0 A
+5 VDC ±5%
(*6) Ready 0.75A 0.65 A
Random W/R
(about 80 IOPS) 0.6 A
Ripple (*7) +5 V/+12 V 250 mVp-p
(*1)
For detail condition, see Section 4.1.
(*2)
Vibration applied to the drive is measured at near the mounting screw hole on the frame as much
as possible.
(*3)
At random seek write/read and default on retry setting with log sweep vibration.
(*4)
At power-off state after installation
Vibration displacement should be less than 2.5 mm.
(*5)
Input voltages are specified at the connector.
(*6)
The terminator power pin (SCSI connector) which supplies power to other terminators is not used
(See Section 4.3).
(*7)
High frequency noise is less than 100 mVp-p.
Altitute
(above sea level)
Shock (*2)
Vibration (*2)
Relative humidity
Temperature (*1)
Power
requirements
Input power (*5)