3Com 3C16476CS User Manual

Contents

2 INSTALLING THE S WITCHThis chapter contains information that you need toinstall and set up the Switch. It covers the followingtopics:■ Positioning the Switch■ Rack-Mounting or Free-Standing■ Supplying Power to the Switch■ Connecting a Network Device■ Connecting a Network Device■ Performing Spot ChecksBefore You BeginWARNING: Safety Information. Before installing orremoving any components from the Switch or carry-ing out any maintenance procedures, read the safetyinformation provided in Appendix B of this guide.AVERTISSEMENT: Consignes de sécurité. Avantd'installer ou d'enlever tout composant du Switch oud'entamer une procédure de maintenance, lisez lesinformations relatives à la sécurité qui se trouventdans Appendix B (l'Appendice B) de ce guide.WARNHINWEIS: Sicherheitsinformationen. BevorSie Komponenten aus dem Switch entfernen oderdem Switch hinzufuegen oder Instandhaltungsarbe-iten verrichten, lesen Sie die Sicherheitsanweisungen,die in Appendix B (Anhang B) in diesem Handbuchaufgefuehrt sind.Positioning the SwitchThe Switch is suitable for use in an office environmentwhere it can be free-standing or mounted in a stan-dard 19-inch equipment rack.Alternatively, the Switch can be rack-mounted in awiring closet or equipment room. A mounting kit,containing two mounting brackets and four screws, issupplied with the Switch.When deciding where to position the Switch, ensurethat:■ It is accessible and cables can be connected easily.■ Cabling is away from sources of electrical noise.These include lift shafts, microwave ovens, and airconditioning units. Electromagnetic fields caninterfere with the signals on copper cabling andintroduce errors, therefore slowing down yournetwork.■ Water or moisture cannot enter the case of theunit.■ Air flow around the unit and through the vents inthe side of the case is not restricted (3Com