20
Getting Started
Preparing for the Installation
• Alcatel-Lucent Enterprise products must be installed by a professional installer. It is the
responsibility of the installer to comply with product specifications and all applicable local and
national codes.
• When preparing for installation, unpack the product as close as possible to the location where it will
be installed.
• Do not attempt to move or install a fully loaded chassis. To avoid injury and/or damage to the
product, two or more people are required when lifting.
Elevated Operating Ambient Temperature
If installed in a closed or multi-rack assembly, the operating ambient temperature of the rack
environment may be greater than the room’s ambient temperature. Therefore, consideration should be
given to the maximum rated ambient temperature (Tmra).
Reduced Air Flow
Installation of the equipment should be such that the amount of air flow required for safe operation of
the equipment is not compromised. Refer to “Airflow Considerations” on page 22 for more information.
Mechanical Loading
Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to
uneven loading.
Circuit Overloading
Consideration should be given to the connection of the equipment to the supply circuit and the effect
that overloading of circuits could have on overcurrent protection and supply wiring. Appropriate
consideration of equipment nameplate ratings should be used when addressing this concern.
Reliable Earthing
Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be given
to supply connections other than direct connections to the branch (e.g., use of power strips).
OmniSwitch 9900 Series switches have the following general electrical requirements:
• Each switch requires one grounded electrical outlet for each power supply installed in the chassis.
• OmniSwitch 9900 Series switches offer both AC and DC power supply support.
• For switches using AC power connections, each supplied AC power cord is 2 meters (approx. 6.5
feet). Do not use extension cords.
Redundant AC Power. It is recommended that each AC outlet resides on a
separate circuit. With redundant AC power, if a single circuit fails, the switch’s
remaining power supplies (on separate circuits) can remain operational.
For switches using DC power, refer to “DC Power Supply Connection” on page 18 for more information.
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