• 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.
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 NCS 540 Series 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
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
Warning
Safety with Electricity
This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal
use. Statement 39
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. Statement 43
Warning
An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure that
no exposed portion of the DC-input power source wire extends from the connector(s) or terminal block(s).
Statement 122
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement
1001
Warning
Cisco Network Convergence System 540 Passive Cooled Small Density Routers Hardware Installation Guide
7
Preparing for Installation
Safety Precautions for Module Installation and Removal
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