About the H3C S5120-EI documentation set 
The H3C S5120-EI documentation set includes: 
Cate
or
  Documents  Pur
oses
Product 
description and 
specifications 
Marketing brochures  Describe product specifications and benefits.  
Technology white papers 
Provide an in-depth description of software features and 
technologies.  
Hardware 
specifications 
and installation 
Compliance and safety manual 
CE DOCs 
Provide regulatory information and the safety 
instructions that must be followed during installation. 
Installation quick start 
Guides you through initial installation and setup 
procedures to help you quickly set up your device. 
Installation guide 
Provides a complete guide to switch installation and 
specifications. 
RPS Ordering Information for H3C 
Low-End Ethernet Switches 
Helps you order RPSs for switches that can work with an 
RPS. 
User manuals for RPSs 
Describe the specifications, installation, and 
replacement of RPSs.  
User manuals for interface cards 
Describe the specifications, installation, and 
replacement of expansion interface cards.  
H3C Low End Series Ethernet 
Switches Pluggable Modules 
Manual 
Describes the specifications of pluggable transceiver 
modules.  
Pluggable SFP[SFP+][XFP] 
Transceiver Modules Installation 
Guide 
Describe the installation, and replacement of 
SFP/SFP+/XFP transceiver modules. 
Software 
configuration 
Configuration guides 
Describe software features and configuration 
procedures. 
Command references  Provide a quick reference to all available commands. 
Operations and 
maintenance 
H3C Series Ethernet Switches Login 
Password Recovery Manual 
Helps you deal with switch login password loss. 
Release notes 
Provide information about the product release, 
including the version history, hardware and software 
compatibility matrix, version upgrade information, 
technical support information, and software upgrading.
 
Obtaining documentation 
You can access the most up-to-date H3C product documentation on the World Wide Web 
at http://www.h3c.com
. 
Click the links on the top navigation bar to obtain different categories of product documentation: 
[Technical Support & Documents > Technical Documents]
 – Provides hardware installation, software 
upgrading, and software feature configuration and maintenance documentation.