CHAPTER 2
Preparing for Installation
• Safety Warnings, on page 31
• Installation Guidelines, on page 33
• Site Requirements, on page 34
Safety Warnings
This section includes the basic installation caution and warning statements. Read this section before you start
the installation procedure. Translations of the warning statements appear in the Regulatory Compliance and
Safety Information guide on Cisco.com.
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
Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury and
equipment damage. Statement 48
Warning
Ethernet cables must be shielded when used in a central office environment. Statement 171
Warning
Read the wall-mounting instructions carefully before beginning installation. Failure to use the correct hardware
or to follow the correct procedures could result in a hazardous situation to people and damage to the system.
Statement 378
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement
1001
Warning
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
31
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