Preventing Esd Damage - Cisco Catalyst 9400 Series Hardware Installation Manual

Preparing for Installation
• Look carefully for possible hazards in your work area, such as damp floors, ungrounded power extension
• If an electrical accident occurs, proceed as follows:
• Use the product within its marked electrical ratings and product usage instructions.
• Install the product in compliance with local and national electrical codes.
• If any of the following conditions occur, contact the Cisco Technical Assistance Center:
• Use the correct external power source. Operate the product only from the type of power source indicated
• For AC-input power supply modules, you have been provided with one or more power cables with your
• To help prevent electrical shock, plug all the power cables into properly grounded electrical outlets.
• Observe power strip ratings. Make sure that the total current rating of all products that are plugged into
• Do not modify power cables or plugs yourself. Consult with a licensed electrician or your power company

Preventing ESD Damage

ESD damage might occur when modules or other FRUs are improperly handled, resulting in intermittent or
complete failure of the modules or FRUs. Modules consist of printed circuit boards that are fixed in metal
cables, frayed or damaged power cords, and missing safety grounds.
• Use extreme caution; do not become a victim yourself.
• Disconnect power from the system.
• Seek medical attention, if necessary.
• The power cable or plug is damaged.
• An object has fallen into the product.
• The product has been exposed to water or other liquids.
• The product has been dropped or shows signs of damage.
• The product does not operate correctly when you follow the operating instructions.
on the electrical ratings label. If you are not sure of the type of power source required, consult a local
electrician.
chassis power supply that are intended for use in your country, based on the shipping location. Should
you need to purchase additional power cables, ensure that they are rated for the product and for the
voltage and current marked on the product's electrical ratings label. The voltage and current rating of
the power cable should be greater than the ratings marked on the label.
For DC-input power supply modules, you must obtain the required cables; they are not shipped with the
power supply module. Ensure that cable lengths, wire gauges, and lug sizes meet the chassis requirements,
site-specific installation requirements, as well your local electric codes. See the
Equipment section for further guidance.
These power cables are equipped with three-prong plugs to ensure proper grounding. Do not use adapter
plugs or remove the grounding prong from a power cable.
the power strip does not exceed 80 percent of the power strip rating.
for site modifications. Always follow your local and national wiring codes.
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
Preventing ESD Damage
Required Tools and
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