1-16 Rack Installation Guidew w w . d e l l . c o m | s u p p o r t . d e l l . c o m Replacing the Rack DoorsRefer to the procedures for replacing doors in the documentation provided with your rackcabinet.CAUTION: Because of the size and weight of the rack cabinet doors, neverattempt to remove or install them by yourself.This completes the rack installation of your system in a four-post rack cabinet.Two-Post Rack InstallationThe two-post rack kit is used to install a system in a two-post, open-frame relay rack, such asthose found in telecommunications equipment facilities. Both 3-inch and 6-inch wide two-post racks with universal hole spacing or wide hole spacing are accommodated. You caninstall this kit in a center-mount or a flush-mount configuration. The two-post kitincorporates slide assemblies which enable the system to be pulled out for servicing.You must properly secure the two-post, open frame relay rack to the floor, the ceiling orupper wall, and where applicable, to adjacent racks, using floor and wall fasteners andbracing specified or approved by the rack manufacturer or by industry standards. See thetwo-post, open-frame relay rack manufacturer’s installation documentation forprecautionary warnings before attempting this installation.CAUTION: Do not attempt to install the system into a two-post, open-frame relayrack that has not been securely anchored in place. Damage to the system andpersonal injury to yourself and to others may result.See "Safety Instructions" at the front of this document for additional safety informationregarding rack installation.Recommended Tools and SuppliesYou need the following tools and supplies to install the system in a two-post relay rack:• #2 Phillips screwdriver• 11/32-inch wrench or nut driver (if changing bracket to flush-mount configuration)• Masking tape or felt-tip pen to mark the mounting holes5X860eb0.fm Page 16 Monday, October 21, 2002 11:49 AM