About this Guide | 51About this GuideThis guide provides site preparation recommendations, step-by-step procedures for rack mounting anddesk mounting the S50V or S50N switches (and related models, such as S50N-DC), inserting optionalmodules, and connecting to a power source. Except where noted, descriptions and instructions in thisguide apply to all variants of these switches.After you have completed the hardware installation and power-up of the switch, refer to the SFTOS™Configuration Guide for software configuration information and to the SFTOS™ Command Referencefor detailed Command Line Interface (CLI) information.Information Symbols and WarningsThe following graphic symbols are used in this document to bring attention to hazards that exist whenhandling the switch and its components. Please read these alerts and heed their warnings and cautions.Table 1-1 describes symbols contained in this guide.WARNING: The installation of this equipment shall be performed by trained and qualified personnel only.Read this guide before installing and powering up this equipment. This equipment contains two power cords.Disconnect both power cords before servicing.WARNING: Class 1 laser product.Attention: Produit laser de classe 1Warnung: Laserprodukt der Klasse1Table 1-1. Information SymbolsSymbol Warning DescriptionNote This symbol informs you of important operational information.Caution This symbol informs you that improper handling and installation could result in equipmentdamage or loss of data.Warning This symbol signals information about hardware handling that could result in injury.