User ManualTable of ContentsAbout This Guide7Conventions8Related Documentation9Accessing Online Documentation9Product Registration10Documentation Comments10Introducing the SuperStack3 Switch 440011About the Switch 440012Summary of Hardware Features12Summary of Software Features13Switch 4400 — Front View Detail1410BASE-T/ 100BASE-TX Ports15LEDs15Switch 4400 — Rear View Detail17Power Socket17Redundant Power System Socket17Console Port17Expansion Module Slots17Default Settings18Installing the Switch19Package Contents20Choosing a Suitable Site20Rack-mounting21Placing Units On Top of Each Other22Stacking Units22The Power-up Sequence23Powering-up the Switch 440023Checking for Correct Operation of LEDs23Connecting a Redundant Power System24Choosing the Correct Cables24Setting Up for Management27Setting Up Overview28IP Configuration28Preparing for Management30Initial Switch Setup30Manual Setup31Connecting to a Front Panel Port31Connecting to the Console Port33Automatic Setup36Using 3Com Network Supervisor36Connecting to the Console Port36Methods of Managing a Switch39Command Line Interface Management39Web Interface Management40SNMP Management40Setting Up Command Line Interface Management41CLI Management via the Console Port41CLI Management over the Network41Setting Up Web Interface Management42Pre-requisites42Web Management Over the Network42Setting Up SNMP Management43Pre-requisites43Default Users and Passwords44Changing Default Passwords44Problem Solving45Solving Problems Indicated by LEDs46The Power LED does not light46On powering-up, the Power/Self Test LED lights yellow46A link is connected and yet the Status LED for the port does not light46The Unit LED is flashing green47Solving Hardware Problems47An expansion module is installed and the unit will not power up47An SNMP fan fail trap is received47Unit fails, no SNMP fan fail trap is received47Solving Communication Problems48IP Addressing48How do you obtain a registered IP Address?49Safety Information51Important Safety Information52L’information de Sécurité Importante53Wichtige Sicherheitsinformationen55Pin-outs57Null Modem Cable57PC-AT Serial Cable57Modem Cable58RJ-45 Pin Assignments58Technical Specifications61Switch 4400 (24-port)61Switch 4400 (48-port)63Technical Support65Online Technical Services65World Wide Web Site653Com Knowledgebase Web Services653Com FTP Site66Support from Your Network Supplier66Support from 3Com66Returning Products forRepair68Index71Regulatory Notices73Size: 3.9 MBPages: 74Language: EnglishOpen manual
User GuideTable of ContentsAbout This Guide7Before You Start7Release Notes7About Your CD-ROM8Conventions8Related Documentation9Accessing Online Documentation10Documentation Comments10Introducing the SuperStack 3 Switch 440013About the Switch 440014Summary of Hardware Features14Switch 4400 - Front View Detail1510BASE-T/ 100BASE-TX Ports16100BASE-FX Ports16LEDs17Switch 4400 - Rear View Detail19Power Socket19Redundant Power System Socket19Console Port19Expansion Module Slots19Default Settings20Installing the Switch23Package Contents24Choosing a Suitable Site24Rack-mounting25Placing Units On Top of Each Other27Stacking Units27How To Stack Units27Rules For Stacking Units28The Power-up Sequence30Powering-up the Switch 440030Checking for Correct Operation of LEDs30Connecting a Redundant Power System30Using Power over Ethernet31Choosing the Correct Cables (Switch 4400, 4400 SE and 4400 PWR)31Choosing the Correct Cables (Switch 4400 FX)32Setting Up for Management33Setting Up Overview34IP Configuration35Preparing for Management36Manually Configuring IP Information37Connecting to a Front Panel Port37Connecting to the Console Port40Viewing Automatically Configured IP Information44Using 3Com Network Director44Connecting to the Console Port44Methods of Managing a Switch47Command Line Interface Management47Command Line Interface Management using SSH48Web Interface Management48SNMP Management48Setting Up Command Line Interface Management49CLI Management via the Console Port49CLI Management over the Network49Setting Up Command Line Interface Management using SSH50Setting Up Web Interface Management51Pre-requisites51Web Management Over the Network52Setting Up SNMP Management52Pre-requisites53Setting Up SNMP53Default Users and Passwords54Changing Default Passwords55Problem Solving57Solving Problems Indicated by LEDs58Solving Hardware Problems59Solving Communication Problems61Solving Software Upgrade Problems63Safety Information65Power Cord Set - Japan66Important Safety Information66L’information de Sécurité Importante68Wichtige Sicherheitsinformationen70Información de seguridad importante72Importanti Informazioni di Sicurezza75Wa¿ne informacje o zabezpieczeniach77Pin-outs81Null Modem Cable81PC-AT Serial Cable81Modem Cable82RJ-45 Pin Assignments82Technical Specifications85Switch 4400 (24-port) and Switch 4400 SE85Switch 4400 PWR (24-port)87Switch 4400 (48-port)89Switch 4400 FX91Obtaining Support for your Product93Register Your Product93Purchase Value-Added Services93Troubleshoot Online94Access Software Downloads94Telephone Technical Support and Repair94Contact Us95Index97Regulatory Notices99Size: 4.59 MBPages: 100Language: EnglishOpen manual
