28 C120-H007-08EN
CHAPTER 3 Equipment Layout
(5) Acoustic noise
A general-purpose server system is generally made up of a mix of equipment, each of
which generates its own acoustic noise. Because the acoustic noises from individual
equipment may result in a very high noise-level, it is recommended that these
equipment be installed in an unattended zone.
a) Distinction between an attended zone and an unattended zone
Install consoles and I/O equipment in a single attended zone, and data processors and
file storage units in an unattended zone.
b) Attended zone
Make sure that an attended zone is not surrounded by equipment on all sides. A wall
may be erected on one side or it may be partitioned for sound insulation.
(6) Furniture and fixtures
Provide locations for furniture and fixtures that are needed during operations.
Furniture and fixtures include:
Cabinets used to store media
Lockers used to store spare parts and documentation
Forms storage stands
(7) Handling of vents
Keep the inlet and outlet for air circulation and cooling equipment free from clogging
up.
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