About the H3C S5120-EI documentation setThe H3C S5120-EI documentation set includes:Category Documents PurposesProductdescription andspecificationsMarketing brochures Describe product specifications and benefits.Technology white papers Provide an in-depth description of software features andtechnologies.Hardwarespecificationsand installationCompliance and safety manualCE DOCsProvide regulatory information and the safetyinstructions that must be followed during installation.Installation quick start Guides you through initial installation and setupprocedures to help you quickly set up your device.Installation guide Provides a complete guide to switch installation andspecifications.RPS Ordering Information for H3CLow-End Ethernet SwitchesHelps you order RPSs for switches that can work with anRPS.User manuals for RPSs Describe the specifications, installation, andreplacement of RPSs.User manuals for interface cards Describe the specifications, installation, andreplacement of expansion interface cards.H3C Low End Series EthernetSwitches Pluggable ModulesManualDescribes the specifications of pluggable transceivermodules.Pluggable SFP[SFP+][XFP]Transceiver Modules InstallationGuideDescribe the installation, and replacement ofSFP/SFP+/XFP transceiver modules.SoftwareconfigurationConfiguration guides Describe software features and configurationprocedures.Command references Provide a quick reference to all available commands.Operations andmaintenanceH3C Series Ethernet Switches LoginPassword Recovery Manual Helps you deal with switch login password loss.Release notesProvide information about the product release,including the version history, hardware and softwarecompatibility matrix, version upgrade information,technical support information, and software upgrading.Obtaining documentationYou can access the most up-to-date H3C product documentation on the World Wide Webat 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, softwareupgrading, and software feature configuration and maintenance documentation.