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3Com 4226T, 4228G, 4250T manual Appendix D Obtaining Support for Your Product

Models: 4250T 4226T 4228G

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80APPENDIX D: OBTAINING SUPPORT FOR YOUR PRODUCT

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3Com 4226T, 4228G, 4250T manual Appendix D Obtaining Support for Your Product

Contents

SuperStack 3Com Corporation 350 Campus Drive Marlborough, MA United States Government LegendContents Setting UP for Management Safety Information PIN -OUTSPage About this Guide Convention Description ConventionsIcon Description Related DocumentationAbout this Guide Introducing About the Switch FamilySwitch 4200 Family Front View DetailIntroducing the Superstack 3 Switch 4200 Series Fiber GBICs 1000BASE-T GBICsColor Indicates Port Status LEDs 10BASE-T/100BASE-TX ports Port Status LEDs Gbic portsPower/Self Test LED Color IndicatesUnit LEDs Alert LEDSystem RPS. See Connecting a Redundant Power System on Rear View DetailFeature Switch 4200 Family Automatic IP Configuration Duplex ModeRmon Alarm Quality of Service QoSInstalling the Switch Site Package ContentsChoosing a Suitable Rack-mounting Repeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mountingStacking Units Placing Units OnTop of Each Other Power-up Powering-upSwitch 4200 Family SequencePower/Self Test LED colors Color StateFiber cables Cross-over Cable Straight-through CableApproved Gbic The 3Com approved Gbic transceivers are TransceiversInstalling the Switch Gbic Installing the Switch Setting UP for Management Setting Up Configure IP information manually for your Switch or viewAutomatically configured IP information OverviewManual IP Configuration Automatic IP ConfigurationSetting UP for Management Manually Configuring IP Information Pre-requisitesSetting Up the Switch with IP Information Connecting the Workstation to the SwitchConfiguring the Workstation 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 Automatically Configured IPViewing Viewing Automatically Configured IP Information Example top-level command line interface menu Viewing IP Information via the Console PortMethods of Managing a Switch Refer to Setting Up Command Line Interface Management on Command Line Network Using TelnetInterface Management CLI Management viaChoosing a Browser Setting Up WebInterface Setting Up Snmp Management Protocol Snmp can manage a Switch ifOver the Network Management workstationDefault Users User Default Name Password Access LevelSecurity Device User Modify operation on the web interface Setting UP for Management Problem Solving For Technical Support information, see Appendix DSolving Problems Solutions belowPower LED does not light On powering-up, the Power/Self Test LED lights yellowProblems Solving Communication ProblemsSolving Hardware Snmp fan fail trap hardware failure IP AddressingHow do you obtain a registered IP Address? Solving StackFormation Solving Software Upgrade Problems Problem Solving Safety Information Important Safety Information This must be approved for the country where it is usedImportant Safety Information ’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Appendix a Safety Information Null Modem Cable PC-AT Serial CablePin to RS-232 25-pin Pin to 9-pinModem Cable RJ-45 PinAssignments Pin Number 10/100 1000Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 4226T 3C17300 Protocols Used for Administration Terminal EmulationSwitch 4250T 3C17302 Switch 4228G 3C17304 Services Register YourProduct PurchaseAccess Software TroubleshootOnline DownloadsContact Us Country Telephone Number Latin America Telephone Technical Support and Repair800 876 Appendix D Obtaining Support for Your Product Index NumbersIndex Regulatory Notices