Avocent PM3000 User's Guide download pdf (Page 21)

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 such 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.

Particular 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.

WARNING: Do not push any objects through the openings of the PDU. Doing so may cause fire or electric shock by

shorting out interior components.

WARNING: There is a possibility of severe electrical shock from either the live or neutral side of any of the power

outlets or their wiring, even if one of the circuit breakers is disabled.

WARNING: The PDU is intended for indoor use only.

WARNING: To help protect the PDU from electrical power fluctuations, use a surge suppressor, line conditioner or

uninterruptible power supply.

WARNING: Be sure that nothing rests on the cables of the PDU and that it is not located where it may be stepped

on or tripped over.

Chapter 2: Installation 13

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Avocent PM3000 User's Guide Page 21