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3Com 4250T, 4228G, 4226T manual 800 876

Models: 4250T 4226T 4228G

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3Com 4250T, 4228G, 4226T manual 800 876

Contents

SuperStack United States Government Legend 3Com Corporation 350 Campus Drive Marlborough, MAContents Setting UP for Management PIN -OUTS Safety InformationPage About this Guide Icon Description ConventionsConvention Description Documentation RelatedAbout this Guide Introducing Family About the SwitchFront View Detail Switch 4200 FamilyIntroducing the Superstack 3 Switch 4200 Series Port Status LEDs Gbic ports Fiber GBICs1000BASE-T GBICs Color Indicates Port Status LEDs 10BASE-T/100BASE-TX portsAlert LED Power/Self Test LEDColor Indicates Unit LEDsRear View Detail System RPS. See Connecting a Redundant Power System onQuality of Service QoS Feature Switch 4200 Family Automatic IP ConfigurationDuplex Mode Rmon AlarmInstalling the Switch Choosing a Suitable Package ContentsSite Rack-mounting Fitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the SwitchTop of Each Other Placing Units OnStacking Units Sequence Power-upPowering-up Switch 4200 FamilyColor State Power/Self Test LED colorsCross-over Cable Straight-through Cable Fiber cablesTransceivers Approved Gbic The 3Com approved Gbic transceivers areInstalling the Switch Gbic Installing the Switch Setting UP for Management Overview Setting UpConfigure IP information manually for your Switch or view Automatically configured IP informationAutomatic IP Configuration Manual IP ConfigurationSetting UP for Management Pre-requisites Manually Configuring IP InformationConfiguring the Workstation with IP Information Connecting the Workstation to the SwitchSetting Up the Switch with IP Information Using Command Line Interface via Telnet Example top-level command line interface menu Connecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Example top-level command line interface menu Viewing Configured IPAutomatically Viewing Automatically Configured IP Information Viewing IP Information via the Console Port Example top-level command line interface menuMethods of Managing a Switch Refer to Setting Up Command Line Interface Management on CLI Management via Command LineNetwork Using Telnet Interface ManagementInterface Setting Up WebChoosing a Browser Management workstation Setting Up SnmpManagement Protocol Snmp can manage a Switch if Over the NetworkUser Default Name Password Access Level Default UsersSecurity Device User Modify operation on the web interface Setting UP for Management For Technical Support information, see Appendix D Problem SolvingOn powering-up, the Power/Self Test LED lights yellow Solving ProblemsSolutions below Power LED does not lightIP Addressing ProblemsSolving Communication Problems Solving Hardware Snmp fan fail trap hardware failureFormation Solving StackHow do you obtain a registered IP Address? Solving Software Upgrade Problems Problem Solving Safety Information This must be approved for the country where it is used Important Safety InformationImportant Safety Information ’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Appendix a Safety Information Pin to 9-pin Null Modem CablePC-AT Serial Cable Pin to RS-232 25-pinPin Number 10/100 1000 Modem CableRJ-45 Pin AssignmentsPin Number 10/100 1000 Appendix B PIN-OUTS Switch 4226T 3C17300 Terminal Emulation Protocols Used for AdministrationSwitch 4250T 3C17302 Switch 4228G 3C17304 Purchase ServicesRegister Your ProductDownloads Access SoftwareTroubleshoot OnlineContact Us Latin America Telephone Technical Support and Repair Country Telephone Number800 876 Appendix D Obtaining Support for Your Product Numbers IndexIndex Regulatory Notices