• Operate Cisco equipment safely by using it in accordance with its electrical ratings and product usage
instructions.
• Do not work alone if potentially hazardous conditions exist.
• Always unplug power cables when performing maintenance or working on the router, unless the
replacement part is hot swappable and designed for online insertion and removal (OIR).
• Ensure that the installation of the router is in compliance with national and local electrical codes: in the
United States, National Fire Protection Association (NFPA) 70, United States National Electrical Code;
in Canada, Canadian Electrical Code, part I, CSA C22.1; in other countries, International Electrotechnical
Commission (IEC) 364, part 1 through part 7.
Compliance and Safety Information
The Cisco ASR 9901, ASR 9001, and ASR 9901-S Routers are designed to meet the regulatory compliance
and safety approval requirements. See the Regulatory Compliance and Safety Information for Cisco ASR
9000 Series Routers.
Laser Safety
The fixed-configuration ports on the Cisco ASR 9901 and the line card ports on the Cisco ASR 9001 Router
are equipped with lasers. The lasers emit invisible radiation. Do not stare into open ports. Observe this warning
to prevent eye injury:
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or
view directly with optical instruments. Statement 1051
Warning
Energy Hazard
The Cisco ASR 9901 and Cisco ASR 9001 Router can be configured for a DC power source. Do not touch
terminals while they are live. Observe this warning to prevent injury.
Hazardous voltage or energy may be present on power terminals. Always replace cover when terminals are
not in service. Be sure uninsulated conductors are not accessible when cover is in place. Statement 1086
Warning
Preventing Electrostatic Discharge Damage
Many router components can be damaged by static electricity. Not exercising the proper electrostatic discharge
(ESD) precautions can result in intermittent or complete component failures. To minimize the potential for
ESD damage, always use an ESD-preventive antistatic wrist strap (or ankle strap) and ensure that it makes
good skin contact.
Check the resistance value of the ESD-preventive strap periodically. The measurement should be between 1
and 10 megohms.
Note
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
4
Preparing for Installation
Compliance and Safety Information
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