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CAUTION: If a third-party rack is used, observe the following additional requirements to ensure adequate airflow and to
prevent damage to the equipment:
•
Front and rear doors—If the 42U rack includes closing front and rear doors, you must allow 5,350 sq cm (830 sq in)
of holes evenly distributed from top to bottom to permit adequate airflow (equivalent to the required 64 percent
open area for ventilation).
•
Side—The clearance between the installed rack component and the side panels of the rack must be a minimum of 7
cm (2.75 in).
Temperature requirements
To ensure continued safe and reliable equipment operation, install or position the system in a well-ventilated, climate-
controlled environment.
The maximum recommended ambient operating temperature (TMRA) for most server products is 35°C (95°F). The
temperature in the room where the rack is located must not exceed 35°C (95°F).
CAUTION: To reduce the risk of damage to the equipment when installing third-party options:
•
Do not permit optional equipment to impede airflow around the server or to increase the internal rack temperature
beyond the maximum allowable limits.
•
Do not exceed the manufacturer's TMRA.
Power requirements
Installation of this equipment must comply with local and regional electrical regulations governing the installation of IT
equipment by licensed electricians. This equipment is designed to operate in installations covered by NFPA 70, 1999 Edition
(National Electric Code) and NFPA-75, 1992 (code for Protection of Electronic Computer/Data Processing Equipment). For
electrical power ratings on options, refer to the product rating label or the user documentation supplied with that option.
WARNING: To reduce the risk of personal injury, fire, or damage to the equipment, do not overload the AC supply
branch circuit that provides power to the rack. Consult the electrical authority having jurisdiction over wiring and
installation requirements of your facility.
CAUTION: Protect the server from power fluctuations and temporary interruptions with a regulating UPS. This device
protects the hardware from damage caused by power surges and voltage spikes and keeps the server in operation
during a power failure.
Grounding requirements
•
The building installation must provide a means of connection to protective earth.
•
The equipment must be connected to that means of connection.
•
A service person must check whether the socket-outlet from which the equipment is to be powered provides a connection
to the building protective earth. If the outlet does not provide a connection, the service person must arrange for the
installation of a protective earthing conductor from the separate protective earthing terminal to the protective earth wire in
the building.
Device bay thermal requirements
Operate the chassis only when a device or blank is installed in all device bays. Before powering up the chassis, be sure to do
the following:
41
Setup
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