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1-28 SPARC Enterprise M8000/M9000 Servers Site Planning Guide • September 2007
1.2.2.3 Free-Access Floor Openings for Underfloor Air-Conditioning
Use underfloor air conditioning to cool the SPARC Enterprise M9000 Server (with an
extended cabinet).
To use underfloor air conditioning, air-conditioning openings must be provided on
the free-access floor under the cabinet. Provide appropriate floor openings by
considering the air conditioning capacities required for the cabinet, the floor
strength, and the locations of the leveling feet.
FIGURE 1-23 and FIGURE 1-24 show
examples of appropriate floor openings.
FIGURE 1-23 SPARC Enterprise M9000 Server (Base Cabinet + Expansion Cabinet) Floor Openings
Unit: mm (inch)
Front
Opening for air conditioning from the bottom
(The opening should be in the shaded free-
access area. It can’t be shared with the open-
ing for cables out.)
Caster
Feet