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Cisco Gigabit Switch Router Cisco 12012 Handleiding vervangende instructies

Tools and Parts Required

Preventing Electrostatic Discharge Damage
Electrostatic discharge (ESD) damage, which can occur when electronic boards or components are
handled improperly, can result in intermittent or complete failures.
Following are guidelines for preventing ESD damage:
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Caution
should be between 1 and 10 megohms.
Tools and Parts Required
You need the following tools and parts to install or replace a DC-input power supply:
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Note
supply the source DC power cable and terminal lugs needed to connect source DC power to the
DC-input power supply. These components are not available from Cisco Systems.
8 Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions
Always use an ESD-preventive wrist strap or ankle strap and ensure that it makes good skin
contact.
When removing or installing a DC-input power supply, connect the equipment end of a ground
strap to one of the two ESD connection sockets on the front edge of the upper card cage, or to a
bare metal surface such as the router frame.
If you are returning a replaced part to the factory, immediately place it in a static shielding bag
to avoid ESD damage.
The wrist strap only protects the board from ESD voltages on the body; ESD voltages on clothing
can still cause damage.
For safety, periodically check the resistance value of the antistatic strap. The measurement
ESD-preventive wrist strap
3/16-inch flat-blade screwdriver
1/4-inch flat-blade screwdriver
10-mm nutdriver
Voltmeter
Electrical tape
The replacement DC-input power supply (Product Number PWR-GSR12-DC=) and the
DC-input power supply front cover (supplied with the power supply)
If you are upgrading your Cisco 12012 with a second DC-input power supply, you must