IBM 09N4290 User Guide - Page 21
Rack Mounting of Systems
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Chapter 1: Product Overview 7 • Be sure that the monitor and attached devices are electrically rated to operate with the power available in your location. • Use only power cables provided with the console switch. • To help prevent electric shock, plug the console switch and peripheral power cables into prop- erly grounded electrical outlets. These cables are equipped with three-prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding prong from a cable. • Observe extension cable and power strip ratings. Make sure that the total ampere rating of all products plugged into the power strip does not exceed 80 percent of the ampere ratings limit for the power strip. • To help protect the console switch from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply. • Position console switch cables and power cables carefully. Route cables so that they cannot be stepped on or tripped over. Be sure that nothing rests on any cables. • Do not modify power cables or plugs. Consult a licensed electrician or the power company for site modifications. Always follow the local and national wiring rules. Rack Mounting of Systems • Refer to the rack installation documentation accompanying the rack for specific caution statements and procedures. • Elevated ambient temperature: If installed in a closed rack assembly, the operation temperature of the rack environment can be greater than room ambient. Use care not to exceed the rated maximum ambient temperature of the unit. • Reduced air flow: Carefully install the equipment in a rack so that an adequate amount of airflow is maintained for safe operation of the equipment. • Mechanical loading: Avoid a potentially hazardous condition caused by uneven mechanical loading by carefully mounting the equipment in the rack. • 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. Consider equipment nameplate ratings for maximum current. • Reliable earthing: Reliable earthing of rack-mounted equipment should be maintained. Pay particular attention to supply connections other than direct connections to the branch circuit (for example, use of power strips).
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