IBM TotalStorage DS4200, Инструкция по установке, использованию и обслуживанию

Страница: 43 / 222

Table 8. DS4200 Express component weights
Unit Weight
Drive 0.75 kg (1.65 lb)
Power supply and fan unit 3.60 kg (7.95 lb)
Controller (including cache battery backup
unit)
2.8 kg (6.1 lb)
Battery unit 0.9 kg (2 lb)
Shipping dimensions
Table 9 lists shipping carton dimensions. The height shown includes the height of
the pallet.
Table 9. DS4200 Express shipping carton dimensions
Height Width Depth
45.7 cm (18.0 in.) 62.6 cm (24.5 in.) 80.7 cm (31.75 in.)
Environmental requirements and specifications
This section describes the environmental conditions that are prerequisite to
installing the unit, and heat and sound conditions that are generated by normal
operation of the storage subsystem.
Temperature and humidity
Table 10 lists the acceptable temperature and humidity ranges in which the storage
subsystem is designed to operate.
Important: The recommended operating environment air temperature is 22° C (72°
F) or lower.
Table 10. Temperature and humidity requirements
Condition Parameter Requirement
Temperature Operating range 10° - 35° C (50° - 95° F)
Maximum rate of change 10° C (18° F) per hour
Storage range -10° - 65° C (14° - 149° F)
Maximum rate of change 15° C (27° F) per hour
Transit range -40° C to 65° C (-40° F to
149° F)
Maximum rate of change 20° C (36° F) per hour
Relative humidity (no
condensation)
Operating range 8% to 80%
Storage range 8% to 90%
Transit range 5% to 95%
Maximum dew point 26° C (79° F)
Maximum gradient 10% per hour
Altitude
Table 11 on page 18 lists the acceptable altitudes for operating, storing, and
shipping the DS4200 Express.
Chapter 1. Introduction
17