About the H3C S5120-SI documentation setThe H3C S5120-SI documentation set includes:Category Documents PurposesMarketing brochures Describe product specifications and benefits.RPS Ordering Information for H3CLow-End Ethernet SwitchesProvides the RPS and switch compatibility matrix andRPS cable specifications.Productdescription andspecifications H3C Low End Series EthernetSwitches Pluggable ModulesManualDescribes the models, appearances, andspecifications of the pluggable modules available forthe products.Quick Start Guide Provides a quick guide to hardware installation.Installation ManualProvides a complete guide to hardware installationand hardware specifications.Provides regulatory information and the safetyinstructions that must be followed during installation.HardwareinstallationPluggable SFP[SFP+][XFP]Transceiver Modules InstallationGuideGuides you through installing SFP/SFP+/XFPtransceiver modules.Configuration guides Describe software features and configurationprocedures.SoftwareconfigurationCommand references Provide a quick reference to all available commands.H3C Series Ethernet SwitchesLogin Password Recovery Manual Describes how to find or recover a lost password.Operationsandmaintenance Release notesProvide information about the product release,including the version history, hardware and softwarecompatibility matrix, version upgrade information,technical support information, and softwareupgrading.Obtaining documentationYou can access the most up-to-date H3C product documentation on the World Wide Web athttp://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.[Products & Solutions] – Provides information about products and technologies, as well as solutions.[Technical Support & Documents > Software Download] – Provides the documentation released with thesoftware version.Technical supportcustomer_service@h3c.com