Dell™ PowerConnect™ 3048 Systems User's GuideNotes, Notices, and CautionsInformation in this document is subject to change without notice.© 2002–2003 Dell Computer Corporation. All rights reserved.Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.Trademarks used in this text: Dell, the DELL logo, PowerConnect, Dimension, Inspiron, OptiPlex, Latitude, Dell Precision, and DellNet are trademarks of Dell Computer Corporation;Microsoft and Windows are registered trademarks of Microsoft Corporation.Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporationdisclaims any proprietary interest in trademarks and trade names other than its own.January 2003 P/N 2T180 Rev. A02Caution: Safety InstructionsIntroductionFeaturesFront Panel IndicatorsRear Panel DescriptionsManagementInstallationPackage ContentsBefore You Connect to the Network: Mounting-Kit InstructionsConnecting the Console PortPassword ProtectionIP Address AssignmentStackingConnecting Devices to the SwitchWeb InterfaceWeb PagesHomeSystem ManagerPort ManagerAddress ManagerSpanning TreeVLAN & CoSPort TrunkingPort MirroringSNMPMultimedia SupportStatisticsSave ConfigurationConsole InterfaceUser InterfaceNavigating in the Console InterfacePassword ProtectionMain MenuSystem ManagerPort ManagerAddress ManagerSpanning TreeVLAN and CoS SetupPort TrunkingPort MirroringSNMP ManagementMultimedia SupportStatisticsSave ConfigurationSoftware UpgradesUpgrade ProcedureAppendixVLAN DescriptionVLAN ExamplesTroubleshootingTechnical SpecificationsTechnical AssistanceProblems With Your OrderProduct InformationReturning Items for Warranty Repair or CreditBefore You CallContacting DellRegulatory NoticesNOTE: A NOTE indicates important information that helps you make better use of your computer.NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.