Table 10. Clearance dimensions for service and cooling (continued)
Index
Metric (mm)
English (in.)
B
1142
45.0
C
1000
39.4
D
1500
59.1
E
450
17.7
F
600
24.0
Raised floor requirements
You can install the system on either a raised or nonraised floor.
Note:
A raised floor provides both better cabling support and helps to ensure
more efficient cooling to the units.
When the system is placed on a raised floor with 60 cm
×
60 cm (24 in.
×
24 in.)
tiles, use the following guidelines as shown in Figure 2:
v
Position the system on two tiles, with the front of the system aligned with the
front tile.
v
Make a 200 mm
×
200 mm (8 in.
×
8 in.) opening for cabling and electricity in
the back tile, as shown in Figure 2 and Table 11.
Note:
Place the opening under the system, centered on the back edge of the tile
along the rear of the rack.
v
To allow for ventilation for airflow and support system cooling requirements,
have at least two tiles (and preferably more) in front of the system These tiles
must have a minimum of 40% perforation.
Table 11. Raised floor requirements - dimensions
Description
Index
Metric measurement
(mm)
English
measurement (in.)
Ventilation tile size
A
600
24.0
Machine footprint
B
1142
45.0
Opening for cables
and electricity
C
200
8.0
D
200
8.0
E
200
8.0
Figure 2. Raised floor requirements
Chapter 3. Physical requirements
13
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