Chapter 2 Site Planning 2-5
2.5 Physical Specifications
Use the physical specifications in TABLE 2-3 to plan the location of your array.
2.6 Layout Map
It is helpful to create a sketch or layout map to indicate the exact location of the
array as well as the location of the hosts, console, and Ethernet connections that will
be connected to it.
As you lay out the components, consider the cable lengths that will be used.
2.6.1 Rack Placement
Follow these guidelines when preparing a rackmount placement for your system:
â– Ensure that the floor surface is level.
â– Leave enough space in front of the rack to access components for servicing.
â– Leave enough space in back of the rack to access components for servicing.
â– Keep power and interface cables clear of foot traffic. Route cables inside walls,
under the floor, through the ceiling, or in protective channels or raceways.
â– Route interface cables away from motors and other sources of magnetic or radio
frequency interference.
â– Stay within the cable length limitations.
TABLE 2-3 Physical Specifications
Category Description
Dimensions 2U (3.45 inches / 8.76 cm) height
20 inches / 50.8 cm chassis depth
17.5 inches / 44.6 cm width (19 inches / 48.26 cm with ears)
Installation clearances For FRU component removal and replacement, 15-inches (37 cm)
is required front and back.
Cooling clearances 6 inches (15 cm) is required front and back. No cooling clearance is
required on the sides or the top and bottom of the array.
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