Cisco Firepower 4600 Manuale di installazione dell'hardware - Pagina 30

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Prevent ESD Damage

• Never assume that power is disconnected; always check.

• Look carefully for possible hazards in your work area, such as moist floors, ungrounded power extension

• If an electrical accident occurs:

• Use the chassis within its marked electrical ratings and product usage instructions.

• The chassis is equipped with an AC-input power supply, which is shipped with a three-wire electrical

ESD occurs when electronic components are improperly handled, and it can damage equipment and impair

electrical circuitry, which can result in intermittent or complete failure of your equipment.

Always follow ESD-prevention procedures when removing and replacing components. Ensure that the chassis

is electrically connected to an earth ground. Wear an ESD-preventive wrist strap, ensuring that it makes good

skin contact. Connect the grounding clip to an unpainted surface of the chassis frame to safely ground ESD

voltages. To properly guard against ESD damage and shocks, the wrist strap and cord must operate effectively.

If no wrist strap is available, ground yourself by touching the metal part of the chassis.

For safety, periodically check the resistance value of the antistatic strap, which should be between one and

10 megohms.

See

Hardware Specifications, on page 13

To avoid equipment failures and reduce the possibility of environmentally caused shutdowns, plan the site

layout and equipment locations carefully. If you are currently experiencing shutdowns or unusually high error

rates with your existing equipment, these considerations may help you isolate the cause of failures and prevent

future problems.

See

Power Supply, on page 12

When installing the chassis, consider the following:

Cisco Firepower Management Center 1600, 2600, and 4600 Hardware Installation Guide

cables, frayed power cords, and missing safety grounds.

• Use caution; do not become a victim yourself.

• Disconnect power from the system.

• If possible, send another person to get medical aid. Otherwise, assess the condition of the victim,

and then call for help.

• Determine whether the person needs rescue breathing or external cardiac compressions; then take

appropriate action.

cord with a grounding-type plug that fits into a grounding-type power outlet only. Do not circumvent

this safety feature. Equipment grounding should comply with local and national electrical codes.

for more detailed information about the power supply in the chassis.

for information about physical specifications.

Installation Preparation