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5-3
Chapter 5: Rack Installation
Rack Mounting Considerations
Ambient Operating Temperature
If installed in a closed or multi-unit rack assembly, the ambient operating tempera-
ture 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 tempera-
ture (TMRA).
Reduced Airflow
Equipment should be mounted into a rack so that the amount of airflow required
for safe operation is not compromised.
Mechanical Loading
Equipment should be mounted into a rack so that a hazardous condition does not
arise due to uneven mechanical loading.
Circuit Overloading
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.
Reliable Ground
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 connec-
tions other than the direct connections to the branch circuit (i.e. the use of power
strips, etc.).
To prevent bodily injury when mounting or servicing this unit in a rack,
you must take special precautions to ensure that the system remains
stable. The following guidelines are provided to ensure your safety:
•
This unit should be mounted at the bottom of the rack if it is the only unit
in the rack.
•
When mounting this unit in a partially filled rack, load the rack from the bottom
to the top with the heaviest component at the bottom of the rack.
•
If the rack is provided with stabilizing devices, install the stabilizers before
mounting or servicing the unit in the rack.
Summary of Contents for SC848 Series
Page 1: ...SC848 CHASSIS SERIES USER S MANUAL 1 0b SUPER SC848A R1K62B SC848E16 R1K62B SC848E26 R1K62B...
Page 32: ...2 20 SC848 Chassis Notes...
Page 38: ...SC848 Chassis Manual 3 6 Notes...
Page 72: ...SC848 Chassis Manual 4 34 Notes...
Page 82: ...SC848 Chassis Manual 5 10 Notes...
Page 86: ...SC848 Chassis Manual A 4 Notes...
Page 88: ...SC848 Chassis Manual B 2 Notes...