3Com 4070 Getting Started Manual

Contents

3Com 4070 Getting Started Manual Manual pdf 24 page image

24 CHAPTER 2: INSTALLING THE SWITCHPackage Contents ■ 3Com Switch 4050 (3C17708), Switch 4060 (3C17709) or Switch4070 (3C17707)■ CD-ROM■ This Guide■ Management Quick Reference Guide■ Release Notes■ Warranty Flyer■ Power Cord■ 2 x securing brackets■ 8 x screws■ 4 x rubber feetChoosing a SuitableSiteThe 3Com Switch 40x0 is suited for use in an internal wiring closet, anetwork room, or telecommunications room, where they can bemounted in a standard 19-inch equipment rack, or free-standing.CAUTION: Ensure that the ventilation holes are not obstructed.To ensure these products provide optimum performance, high speed fansare used to provide ventilation. These fans have a high audible output.When deciding where to position the Switch, ensure that:■ Cabling is located away from:■ sources of electrical noise such as radios, transmitters andbroadband amplifiers.■ power lines and fluorescent lighting fixtures.■ The Switch is accessible and cables can be connected easily.■ Water or moisture cannot enter the case of the Switch.■ Air flow is not restricted around the Switch or through the vents in theside of the Switch. 3Com recommends that you provide a minimum of25 mm (1 in.) clearance.■ Air temperature around the Switch does not exceed 40 °C (104 °F).If the Switch is installed in a 19-inch rack or closed assembly its local airtemperature may be greater than room ambient temperature.DUA1770-9AAA04.book Page 24 Monday, April 14, 2003 11:33 AM