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Choosing a Setup Location
•
Leave enough clearance in front of the rack to enable you to open the front door
completely (~25 inches).
•
Leave approximately 30 inches of clearance in the back of the rack to allow for
sufficient airflow and ease in servicing.
Rack Precautions
•
Ensure that the leveling jacks on the bottom of the rack are fully extended to the
floor with the full weight of the rack resting on them.
•
In a single rack installation, stabilizers should be attached to the rack.
•
In multiple rack installations, the racks should be coupled together.
•
Always make sure the rack is stable before extending a component from the rack.
•
You should extend only one component at a time - extending two or more
simultaneously may cause the rack to become unstable.
Server Precautions
•
Review the Safety Information and Technical Specifications in Chapter 4.
•
Determine the placement of each component in the rack before you install the
rails.
•
Install the heaviest server components on the bottom of the rack first, and then
work up.
•
Use a regulating uninterruptible power supply (UPS) to protect the server from
power surges, voltage spikes and to keep your system operating in case of a
power failure.
•
Allow the power supply units and hot plug Serial ATA drive to cool before
touching them.
•
Always keep the rack's front door and all panels and components on the servers
closed when not servicing to maintain proper cooling.
Rack Mounting Considerations
Feature
Ambient Operating
Temperature
Reduced Airflow
Mechanical Loading
Circuit Overloading
Reliable Ground
6
StorTrends® 3100 User's Guide
Warning
Description
If installed in a closed or multi-unit rack assembly, the ambient
operating temperature of the rack environment may be greater than
the ambient temperature of the room. Therefore, consideration
should be given to installing the equipment in an environment
compatible with the manufacturer's maximum rated ambient
temperature (Tmra).
Equipment should be mounted into a rack so that the amount of
airflow required for safe operation is not compromised.
Equipment should be mounted into a rack so that a hazardous
condition does not arise due to uneven mechanical loading.
Consideration should be given to the connection of the equipment to
the power supply circuitry and the effect that any possible
overloading of circuits might have on overcurrent protection and
power supply wiring. Appropriate consideration of equipment
nameplate ratings should be used when addressing this concern.
A reliable ground must be maintained at all times. To ensure this, the
rack itself should be grounded. Particular attention should be given
to power supply connections other than the direct connections to the
branch circuit (for example, the use of power strips, and so on.).
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