Manuals / 3Com / Computer Equipment / Switch

3Com 4228G, 4250T, 4226T manual Contents

Models: 4250T 4226T 4228G

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CONTENTS

ABOUT THIS GUIDE

Conventions 8

Related Documentation 9

Accessing Online Documentation 10

1INTRODUCING THE

SUPERSTACK 3 SWITCH 4200 FAMILY

About the Switch 4200 Family		12
Summary of Hardware Features			12
Switch 4200 Family — Front View Detail				13
10BASE-T/100BASE-TX Ports 14
10/100/1000BASE-T Ports		14
GBIC Ports	14
LEDs 15
Switch 4200 Family — Rear View Detail				17
Power Socket	17
Redundant Power System Socket			17
Console Port	17
Default Settings	18

2INSTALLING THE SWITCH

Package Contents 20
Choosing a Suitable Site		20
Rack-mounting	21
Placing Units On Top of Each Other 23
Stacking Units	23
The Power-up Sequence		24
Powering-up the Switch 4200 Family			24
Checking for Correct Operation of LEDs			24
Connecting a Redundant Power System			25

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3Com 4228G, 4250T, 4226T manual Contents

Contents

SuperStack United States Government Legend 3Com Corporation 350 Campus Drive Marlborough, MAContents Setting UP for Management PIN -OUTS Safety InformationPage About this Guide Conventions Icon DescriptionConvention 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 Package Contents Choosing a SuitableSite Rack-mounting Fitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the SwitchPlacing Units On Top of Each OtherStacking 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 InformationConnecting the Workstation to the Switch Configuring the Workstation with IP InformationSetting 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 Configured IP ViewingAutomatically 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 ManagementSetting Up Web InterfaceChoosing 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 failureSolving Stack FormationHow 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