Cisco 5428 - SN Router, Руководство по установке

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B-2
Cisco AS5400 Universal Gateway Chassis Installation Guide
OL-2847-02 0A
Appendix B Replacing the Power Supply
Required Tools and Equipment
Warning Do not work on the system or connect or disconnect cables during periods of lightning
activity. To see translations of the warnings that appear in this publication, refer to the
Regulatory Compliance and Safety Information document that accompanied this device.
Warning Before working on a chassis or working near power supplies, unplug the power cord on
AC units; disconnect the power at the circuit breaker on DC units. To see translations of
the warnings that appear in this publication, refer to the
Regulatory Compliance and
Safety Information document that accompanied this device.
Warning
Before working on equipment that is connected to power lines, remove jewelry
(including rings, necklaces, and watches). Metal objects will heat up when connected
to power and ground and can cause serious burns or weld the metal object to the
terminals. To see translations of the warnings that appear in this publication, refer to the
Regulatory Compliance and Safety Information document that accompanied this device.
Warning
Only trained and qualified service personnel should be allowed to install or replace this
equipment. To see translations of the warnings that appear in this publication, refer to
the
Regulatory Compliance and Safety Information document that accompanied this
device.
Caution
Before opening the chassis, ensure that you have discharged all static electricity from your
body and be sure that the power is OFF.
Required Tools and Equipment
You need the following tools and equipment:
• Medium-size Phillips screwdriver
•
Small or medium flat-blade screwdriver
• ESD-preventive wrist strap
•
Tie-wraps (optional)
• Antistatic bag (optional)