用户手册 — 3com DUA1770-0AAA04

目录

• About This Guide

  7
  • Conventions

    8
  • Related Documentation

    9
  • Accessing Online Documentation

    9
  • Product Registration

    10
  • Documentation Comments

    10
• Introducing the SuperStack 3 Switch 4900 Series

  11
  • About the Switches

    12
    • Summary of Hardware Features

      13
  • Switch — Front View Detail

    14
    • 100/1000BASE-T and 10/100/1000BASE-T Ports

      16
    • 1000BASE-SX Ports

      16
    • GBIC Ports

      16
    • LEDs

      17
  • Switch — Rear View Detail

    18
    • Unit Information Label

      19
    • Power Socket

      19
    • Redundant Power System Socket

      19
    • Console Port

      20
    • Expansion Module Slot

      20
  • Default Settings

    20
• Installing the Switch

  21
  • Package Contents

    22
  • Choosing a Suitable Site

    22
  • Rack-mounting

    23
  • Placing Units On Top of Each Other

    24
  • Creating an XRN Distributed Fabric

    24
    • How To Interconnect Units

      25
    • Rules For Interconnecting Units

      25
  • The Power-up Sequence

    26
    • Powering-up the Switch

      26
    • Checking for Correct Operation of LEDs

      26
    • Connecting a Redundant Power System

      27
    • Choosing the Correct 10/100/1000BASE-T Cables

      27
    • Choosing the Correct Fiber Cables

      28
  • Switch 4950 — GBIC Operation

    29
    • Approved GBIC Transceivers

      29
    • Inserting a GBIC Transceiver

      29
• Setting Up for Management

  33
  • Setting Up Overview

    34
    • IP Configuration

      35
    • Preparing for Management

      36
  • Manually Configuring IP Information

    37
    • Connecting to a Front Panel Port

      37
    • Connecting to the Console Port

      40
  • Viewing Automatically Configured IP Information

    43
    • Using 3Com Network Supervisor

      43
    • Connecting to the Console Port

      44
  • Methods of Managing a Switch

    46
    • Command Line Interface Management

      46
    • Web Interface Management

      47
    • SNMP Management

      47
  • Setting Up Command Line Interface Management

    48
    • CLI Management via the Console Port

      48
    • CLI Management over the Network

      48
  • Setting Up Web Interface Management

    49
    • Pre-requisites

      49
    • Web Management Over the Network

      50
  • Setting Up SNMP Management

    51
    • Pre-requisites

      51
  • Default Users and Passwords

    51
    • Changing Default Passwords

      52
• Problem Solving

  53
  • Solving Problems Indicated by LEDs

    54
  • Solving Hardware Problems

    55
  • Solving Communication Problems

    57
  • Solving Software Upgrade Problems

    58
• Safety Information

  59
  • Important Safety Information

    60
  • L’information de Sécurité Importante

    63
  • Wichtige Sicherheitsinformationen

    66
• Pin-outs

  69
  • Null Modem Cable

    69
  • PC-AT Serial Cable

    69
  • Modem Cable

    70
  • RJ-45 Pin Assignments

    70
• Technical Specifications

  73
• Technical Support

  75
  • Online Technical Services

    75
    • World Wide Web Site

      75
    • 3Com Knowledgebase Web Services

      75
    • 3Com FTP Site

      76
  • Support from Your Network Supplier

    76
  • Support from 3Com

    77
    • Email Support

      77
    • Telephone Support

      77
  • Returning Products forRepair

    79
• Index

  81
• Regulatory Notices

  83