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Chapter 2 Preparing for Installation
Safety and Compliance
Safety and Compliance
Before you begin any of the procedures in this publication, review the safety and compliance guidelines
in the following sections to avoid injuring yourself or damaging the equipment:
• Safety Information and Electromagnetic Compliance, page 2-3
• Safety Warnings, page 2-3
• Disconnect Device Warning, page 2-3
• Laser Safety, page 2-4
• Preventing Electrostatic Discharge, page 2-4
Safety Information and Electromagnetic Compliance
For information about regulatory compliance and safety, refer to the Regulatory Compliance and Safety
Information for the Cisco 10720 Internet Router publication that is shipped with your device, and
information in the “Electromagnetic Compliance” section on page ix of this document. This publication
contains important safety information that you must read and understand before attempting to install,
remove, or modify any hardware in your router.
For more information about safety and electromagnetic compliance, see the “Translated Safety
Warnings” section on page x and the “Electromagnetic Compliance” section on page ix.
Safety Warnings
Safety warnings appear throughout this publication in procedures that, if performed incorrectly, can
harm you. A warning symbol precedes each warning statement. The following paragraph is an example
of a safety warning:
Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work
on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with
standard practices for preventing accidents. To see translations of the warnings that appear in this
publication, refer to the Regulatory Compliance and Safety Information for the
Cisco 10720 Internet Router document that accompanied this device.
For safety warning translations, see the “Translated Safety Warnings” section on page x.
Disconnect Device Warning
Disconnect the Cisco 10720 Internet Router power source before performing any maintenance task on
the hardware modules.
Warning
Only trained and qualified personnel should be allowed to install or replace this equipment.
Warning
The plug-socket combination must be accessible at all times because it serves as the main
disconnecting device.