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Weight
The total weight of the storage subsystem depends on the number of components
installed. Table 4 lists the maximum, empty, and shipping weights for the storage
subsystem. Table 5 lists the weight of each component.
Table 4. DS4500 weights
Weight
Maximum
1
Empty
2
Shipping
43.99 kg (97 lb) 18.07 kg (39.84 lb) 57.2 kg (125.9 lb)
1
Chassis with all eight mini hubs.
2
Chassis and backplane only, without CRUs.
Table 5. DS4500 component weights
Unit Weight
Mini hub 0.567 kg (1.25 lb)
Fan and communications module 1.84 kg (4.06 lb)
Storage subsystem fan 0.9 kg (1.9 lb)
Battery unit 9.7 kg (21.4 lb)
Controller 3.0 kg (6.6 lb)
Power supply 1.5 kg (3.3 lb)
Shipping dimensions
Table 6 lists shipping carton dimensions. The height shown includes the height of
the pallet.
Table 6. DS4500 shipping carton dimensions
Height Width Depth
44.4 cm (17.5 in.) 62.2 cm (24.5 in.) 78.7 cm (31.0 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 7 on page 15 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.
14 IBM TotalStorage DS4500 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide