Rack Installation Guide 1-3Rack Requirements for VersaRailsNOTICE: The VersaRails rack kit is intended to be installed by trained service technicians in arack that meets the specifications of American National Standards Institute (ANSI)/ElectronicIndustries Association (EIA) standard ANSI/EIA-310-D-92, International ElectrotechnicalCommission (IEC) 297, and Deutsche Industrie Norm (DIN) 41494. One rack kit is required foreach system that is installed in a rack.Four-Post Rack InstallationBefore attempting this installation, you should read through this entire procedure carefully.Before You BeginBefore you begin installing your system in the rack, carefully read "Safety Instructions" aswell as the safety instructions found in your system’s System Information document foradditional information.CAUTION: When installing multiple systems in a rack, complete all of theprocedures for the current system before attempting to install the next system.CAUTION: Rack cabinets can be extremely heavy and move easily on theircasters. They have no brakes. Use extreme caution while moving the rackcabinet. Retract the leveling feet when relocating the rack cabinet. Avoid longor steep inclines or ramps where loss of cabinet control may occur. Extend theleveling feet for support and to prevent the cabinet from rolling.NOTE: For instructions on installing the system itself, see "Installing the System in the Rack."Important Safety InformationObserve the safety precautions in the following subsections when installing your system inthe rack.CAUTION: You must strictly follow the procedures in this document to protectyourself as well as others who may be involved. Your system may be very largeand heavy and proper preparation and planning are important to prevent injuryto yourself and to others. This becomes increasingly important when systems areinstalled high up in the rack.Recommended Tools and SuppliesYou may need the following tools and supplies to install the system in a four-post rack:• #2 Phillips screwdriver• Masking tape or a felt-tip pen, for use in marking the mounting holes to be used5X860eb0.fm Page 3 Monday, October 21, 2002 11:49 AM