4 SWITCH 4005 C HASSISThis chapter describes how to install the 3Com Switch 4005 chassis. The mainsections in this chapter are as follows: Overview Preinstallation Guidelines Installing the Chassis Installing the Cable Management DeviceOverview The basic steps that comprise a chassis installation are as follows:1 Confirm that the installation area (rack, table, or shelf) is ready to receive thechassis, in terms of the site requirements and safety information provided inChapter 3.2 Read the pre installation guidelines, cautions, and warnings in this chapter beforeyou begin the installation procedure.3 (Rack installation only) Attach the flanges to the chassis. These are included in thechassis shipping box.4 Use at least two people to install the chassis and follow the appropriateprocedures in this chapter.5 (Optional, rack installation only) Attach the cable management device, which isincluded in the chassis shipping box, to the rack.WARNING: The Switch 4005 chassis and its components must be installed,maintained, or replaced only by trained service personnel. This guide assumes thatthe network administrator has a working knowledge of local area network (LAN)operations. Furthermore, this guide assumes that the network administrator hasobtained appropriate technical training and experience to perform tasks in serviceaccess areas of network equipment, to be aware of electrical hazards that exist inperforming these tasks, and to take steps that minimize the danger to themselvesor other persons. If you have questions on installation tasks, contact your networksupplier or 3Com technical support. See Appendix A for contact information.WARNING: You can install the Switch 4005 chassis on a table or a shelf or into arack. To minimize the risk of personal injury or equipment damage, 3Comrecommends that at least two people perform a chassis installation.