IBM 17353LX User Guide - Page 24

Mounting the Rack Console Switch, Elevated ambient temperature: If installed in a closed rack assembly

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10 IBM Rack Console Switch Installation and User's Guide • Operate the rack console switch only from the type of external power source indicated on the electrical ratings label. If you are not sure of the type of power source required, consult the service provider or local power company. • 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 rack console switch. • To help prevent electric shock, plug the rack console switch and peripheral power cables into properly 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 rack console switch from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply. • Position rack 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. Mounting the Rack Console Switch Before installing the rack console switch and other components in the rack (if not already installed), stabilize the rack in a permanent location. Install the equipment starting at the bottom of the rack, then work to the top. Avoid uneven loading or overloading of racks. • Refer to the rack installation documentation accompanying the rack for specific caution state- ments 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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10
IBM Rack Console Switch Installation and User’s Guide
•
Operate the rack console switch only from the type of external power source indicated on the
electrical ratings label. If you are not sure of the type of power source required, consult the ser-
vice provider or local power company.
•
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 rack console switch.
•
To help prevent electric shock, plug the rack console switch and peripheral power cables into
properly 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 rack console switch from sudden, transient increases and decreases in elec-
trical power, use a surge suppressor, line conditioner, or uninterruptible power supply.
•
Position rack console switch cables and power cables carefully. Route cables so that they can-
not 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.
Mounting the Rack Console Switch
Before installing the rack console switch and other components in the rack (if not already installed),
stabilize the rack in a permanent
location. Install the equipment starting at the bottom of the
rack,
then work to the top. Avoid
uneven loading or overloading of
racks.
•
Refer to the rack installation documentation accompanying the rack for specific caution state-
ments 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 air-
flow 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).