Installation Guide 5Safety InstructionsUse the following safety guidelines to ensure your own personal safety andto help protect your system and working environment from potential damage.For complete safety and regulatory information, see the safety instructionsthat shipped with your system. Warranty information might be included inthis document or as a separate document.SAFETY: Rack Mounting of SystemsObserve the following precautions for rack stability and safety. Also refer tothe rack installation documentation accompanying the system and the rackfor specific caution statements and procedures.Systems are considered to be components in a rack. "Component" refersto any system as well as to various peripherals or supporting hardware.CAUTION: Instructions for Rack-Mounted Systems:• Your rack kit has been approved only for the rack cabinet provided. It isyour responsibility to ensure that installation of the equipment into anyother rack complies with all applicable standards. Dell disclaims all liabilityand warranties with respect to combinations of equipment with any otherrack.• Before installing your equipment in a rack, install all front and sidestabilizers. Failure to install stabilizers can allow the rack to tip over.• Always load from the bottom up, and load the heaviest items first.• Do not overload the AC power supply branch circuit that provides powerto the rack.• Do not stand or step on any components in the rack.Installation InstructionsThis installation guide provides instructions for trained service techniciansinstalling a 24-unit (U) rack. Information includes assembling the rackand routing cables through the rack. The 24-U rack can be installed usingthe recommended tools.