3com 5108M-TP User Manuals

Table of Contents

• Audience

  11
• Structure of This Guide

  12
• Document Conventions

  13
• Related Documents

  14
  • 3Com Documents

    15
  • Reference Documents

    15
• The ONline Ethernet 10BASE-T Module

  17
  • Indicators

    18
  • Dip Switches

    20
    • Dip Switch SW1 (Port Status)

      21
    • Dip Switch SW3 (Crossover Mode, Channel Select, Sq...

      22
    • Dip Switch SW6 (Link Integrity)

      25
  • Related Features

    26
    • LED and Channel Verification

      26
    • The ONline Ethernet Network Management Module

      27
• Understanding the General Rules

  30
  • Basic Network Rules

    30
  • LAN Equivalence

    34
• Fiber Backbone, Twisted Pair To-The-Desk

  35
  • Fiber Backbone, Twisted Pair To-The-Desk Example

    36
• Twisted Pair Backbone, Twisted Pair To-The-Desk

  39
• Redundant Links

  40
• Patch Panels

  42
• Precautionary Procedures

  43
• Unpacking Procedures

  44
• Installation Procedures

  44
• Troubleshooting

  47
  • Troubleshooting With the Status LEDs

    48
  • Troubleshooting With the Activity LEDs

    51
• Technical Assistance

  52
• ONline Ethernet 10BASE-T Module Specifications

  53
  • Electrical Specifications

    53
  • Environmental Specifications

    54
  • Mechanical Specifications

    54
  • General Specifications

    54
• Twisted Pair Connectors and Cables

  55
  • Twisted Pair Connectors

    55
  • Twisted Pair Cables

    56
    • Connecting Twisted Pair Cables

      57
• On-line Technical Support

  59
  • Email Technical Support

    60
  • World Wide Web Site

    60
• Support from Your Network Supplier

  60
• Support from 3Com

  61
• Returning Products for Repair

  62
• Accessing the 3Com MIB

  62
• 3Com Technical Publications

  63