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Hitachi Lightning 9900™ User and Reference Guide 107
Table 5.12 Floor Load Rating for 9960 Controller with 4 Disk Arrays
Required Clearance (a+b)
Clearance (C) in meters (feet)
Floor Load Rating
kg/m
2
(lb/ft
2
)
C = 0 C = 0.2 (0.66) C = 0.4 (1.31) C = 0.6 (1.97) C = 1.0 (3.28)
500 (102.4)
0.2 m (0.66 ft) 0 0 0 0
450 (92.2) 0.8 m (2.6 ft) 0.3 m (1 ft) 0 0 0
400 (81.9) 1.5 m (4.9 ft) 1.0 m (3.3 ft) 0.5 m (1.6 ft) 0.2 m (0.66 ft) 0
350 (71.7) 2.5 m (8.2 ft) 1.9 m (6.2 ft) 1.4 m (4.6 ft) 1.0 m (3.3 ft) 0.3 m (1 ft)
300 (61.4) 4.1 m (13.5 ft) 3.3 m (10.8 ft) 2.7 m (8.9 ft) 2.1 m (6.9 ft) 1.3 m (4.3 ft)
a *1
G G
G
GG
Floor cutout area for cables
Caster
Screw jack
Service clearance
4350(171.3)
Front
G
C *1
(Unit: mm(inches))
800
(31.5)
2400
(94.5)
16
(.6)
800
(31.5)
800
(31.5)
9960 Disk
Array
9960 Disk
Array
9960
Controller
9960 Disk
Array
9960 Disk
Array
G
Grid panel(Perforated tile) should be at
least 450mm(17.7”) x 450mm(17.7”)
G G GG
b *1
G
16
(.6)
G
600
(23.6)
600
(23.6)
718
(28.3)
600
(23.6)
600
(23.6)
600
(23.6)
600
(23.6)
GG
9960 Disk
Array
9960 Disk
Array
Figure 5.23 9960 Disk Subsystem with Maximum Configuration