Chapter 2: Installation 9
Figure 2.7: Attaching VELCRO Retention Strips for a Vertical PM PDU
Rack mount safety considerations
• Elevated Operating Ambient Temperature: If the PM PDU is installed in a closed or multi-unit
rack assembly, the operating ambient temperature of the rack environment may be greater than
room ambient temperature. Therefore, consideration should be given to installing the
equipment in an environment compatible with the manufacturer’s maximum rated ambient
temperature.
• Reduced Air Flow: Installation of the equipment in a rack should be s
u
ch that the amount of air
flow required for safe operation of the equipment is not compromised.
• Mechanical Loading: Mounting of the equipment in
the rack should be such that a hazardous
condition is not created due to uneven mechanical loading.
• Circuit Overloading: Consideration
should be given to the connection of the equipment to the
supply circuit and the effect that overloading of circuits might have on overcurrent protection
and supply wiring. Appropriate consideration of equipment nameplate ratings should be used
when addressing this concern.
• Reliable Grounding: Reliable grounding of rack mounted equipment should be maintained.
Particu
l
ar attention should be given to supply connections other than direct connections to the
branch circuit, such as power strips or extension cords.
NOTE: Install a PM PDU model in a location where there is an adjacent and accessible socket outlet.
Safety Precautions
Read all the following safety guidelines to protect yourself and your PDU.
WARNING: All outlets of the PDU output high voltage. Necessary precautions should be taken.
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