About This Guide; Information Symbols And Warnings - Dell S4820T Installation Manual

About this Guide

This guide provides site preparation recommendations, step-by-step procedures for rack mounting and
desk mounting, inserting optional modules, and connecting to a power source.
After you have completed the hardware installation and powered up the S4820T refer to the FTOS
Configuration Guide for the S4820T System for software configuration information. For command line
interface (CLI) information, refer to the FTOS Command Line Reference Guide for the S4820T System.
NOTE: User port stacking requires Dell Networking operating system (FTOS) version 8.3.19.0
NOTE: For information about upgrading the S4820T system, refer to the FTOS Release Notes for the
S4820T System. If you have any questions regarding FTOS versions and system upgrades, contact
Dell Networking Technical Support.
CAUTION: To avoid electrostatic discharge (ESD) damage, wear grounding wrist straps when
handling this equipment.
WARNING: Only trained and qualified personnel can install this equipment. Read to this guide
before you install and power up this equipment. This equipment may contain two power cords.
Disconnect both power cords before servicing.
WARNING: This equipment contains optical transceivers, which comply with the limits of Class 1
laser radiation.
WARNING: When no cable is connected, visible and invisible laser radiation may be emitted from
the aperture of the optical transceiver ports. Avoid exposure to laser radiation and do not stare
into open apertures.

Information Symbols and Warnings

This book uses the following information symbols:
NOTE: The Note icon signals important operational information.
CAUTION: The Caution icon signals information about situations that could result in equipment
damage or loss of data.
WARNING: The Warning icon signals information about hardware handling that could result in
injury.
WARNING: The ESD Warning icon requires that you take electrostatic precautions when handling
the device.
About this Guide
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