Cisco Network Convergence System 540 Hardware Installation Manual page 9

Large density routers

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Safety Warnings

Safety with Electricity

Warning

When working on equipment that is powered by electricity, follow these guidelines:

Before working on a chassis or with power supplies, unplug the power cord on AC units. Disconnect the

power at the circuit breaker on DC units. Statement 12

Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces,

and watches). Metal objects heat up when connected to power and ground and can cause serious burns or

weld the metal object to the terminals. Statement 43

Read the installation instructions before connecting the system to the power source. Statement 1004

The plug-socket combination must be accessible always, because it serves as the main disconnecting device.

Statement 1019

This unit may have more than one power supply connection. All connections must be removed to de-energize

the unit. Statement 1028

When installing or replacing the unit, ensure the ground connection first and disconnected last. Statement

1046

This equipment is intended to be grounded to comply with emission and immunity requirements. Ensure that

the switch functional ground lug is connected to earth ground during normal use. Statement 1064

Installation of the equipment must comply with local and national electrical codes. Statement 1074

Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide

Safety with Electricity

Table of Contents

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