Cisco AS5200-PWR-DC Manual de substituição - Página 4
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Required Tools and Equipment
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Preventing Electrostatic Discharge Damage
Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. It occurs when
electronic printed circuit cards are improperly handled and can result in complete or intermittent
failures. Always follow ESD prevention procedures when removing and replacing cards. Ensure that
the chassis is electrically connected to earth ground. Wear an ESD-preventive wrist strap, ensuring
that it makes good skin contact. Connect the clip to an unpainted surface of the chassis frame to
safely channel unwanted ESD voltages to ground. 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.
Caution
between 1 and 10 megohms (Mohm).
Required Tools and Equipment
This kit includes the following items:
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To install the power supply, you will also need the following tools and equipment (which are not
included):
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4 Replacing the Power Supply in Cisco AS5200 Universal Access Servers
Look carefully for possible hazards in your work area, such as moist floors, ungrounded power
extension cables, and missing safety grounds.
If an electrical accident occurs, proceed as follows:
— Use caution; do not become a victim yourself.
— Turn OFF power to the system.
— If possible, send another person to get medical aid. Otherwise, determine the condition of the
victim and then call for help.
— Determine if the person needs rescue breathing or external cardiac compressions; then take
appropriate action.
For safety, periodically check the resistance value of the antistatic strap, which should be
An AC or DC power supply
Power ratings labels
Cisco AS5200 access server
Medium-size Phillips screwdriver
ESD-preventive wrist strap
Tie-wraps (optional)
Antistatic bag (optional)