Safety Guidelines For Personal Safety And Equipment Protection; Safety Precautions For Module Installation And Removal; Safety With Electricity - Cisco ASR-920-12CZ-A Hardware Installation Manual

Chapter 2 Preparing for Installation

Safety Guidelines for Personal Safety and Equipment Protection

The following guidelines help ensure your safety and protect the equipment. This list does not include
all the potentially hazardous situations. Therefore, you should be on alert.
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Safety Precautions for Module Installation and Removal

Be sure to observe the following safety precautions when you work on the router.
To see the translations of the warnings that appear in this publication, see the Regulatory Compliance
and Safety Information for the Cisco ASR 920 Series Aggregation Services Router document.
Class 1 laser product. Statement 1008
Warning
Do not stare into the beam or view it directly with optical instruments. Statement 1011
Warning
Warning Invisible laser radiation present. Statement 1016
Warning Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments. Statement 1051

Safety with Electricity

Before working on a chassis or working near power supplies, unplug the power cord on AC units;
Warning
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,
Warning
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. Statement 43
OL-32751-01
Before moving the system, always disconnect all the power cords and interface cables.
Never assume that power is disconnected from a circuit; always check.
Before and after installation, keep the chassis area clear and dust free.
Keep tools and assembly components away from walk areas where you or others could trip over
them.
Do not work alone if potentially hazardous conditions exist.
Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.
Do not wear loose clothing that may get caught in the chassis.
When working under conditions that may be hazardous to your eyes, wear safety glasses.
Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
Safety Guidelines
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