Environmental Specifications; Table 1.4 Environmental Specifications - Fujitsu MHJ2181AT Product Manual

(5) Power on/off sequence
The voltage detector circuits (the MHJ Series and MHK Series) monitor +5 V.
The circuits do not allow a write signal if either voltage is abnormal. These
prevent data from being destroyed and eliminates the need to be concerned with
the power on/off sequence.

1.4 Environmental Specifications

Table 1.4 lists the environmental specifications.
Item
Temperature
• Operating
• Non-operating
• Thermal Gradient
Humidity
• Operating
• Non-operating
• Maximum Wet Bulb
Altitude (relative to sea level)
• Operating
• Non-operating
C141-E088-03EN

Table 1.4 Environmental specifications

Specification
5°C to 55°C (ambient)
5°C to 60°C (disk enclosure surface)
–40°C to 65°C
20°C/h or less
8% to 90% RH (Non-condensing)
5% to 95% RH (Non-condensing)
29°C (Operating)
40°C (Non-operating)
–300 to 3,000 m
–300 to 12,000 m
1.4 Environmental Specifications
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