3Com 5108M-TP Contents, How to Use This Guide, Introduction, Designing and Expanding the Network

Models: 5108M-TP

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Contents

How to Use This Guide

Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiii Structure of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiv Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xvi 3Com Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Chapter 1 — Introduction

The ONline Ethernet 10BASE-T Module

. 1-1

Indicators

. 1-2

Dip Switches

. 1-4

Dip Switch SW1 (Port Status)

. 1-5

Dip Switch SW3 (Crossover Mode, Channel Select, Squelch) . . .

. 1-6

Dip Switch SW6 (Link Integrity)

. 1-9

Related Features

1-10

LED and Channel Verification

1-10

The ONline Ethernet Network Management Module

1-11

Chapter 2 — Designing and Expanding the Network

Understanding the General Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Basic Network Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

LAN Equivalence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Fiber Backbone, Twisted Pair To-The-Desk . . . . . . . . . . . . . . . . . . . . . . . 2-7

Fiber Backbone, Twisted Pair To-The-Desk Example . . . . . . . . . . . 2-8

Twisted Pair Backbone, Twisted Pair To-The-Desk . . . . . . . . . . . . . . . . . 2-11

Redundant Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Patch Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

ONline Ethernet 10BASE-T Module User’s Guide v

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3Com 5108M-TP manual Contents, How to Use This Guide, Introduction, Designing and Expanding the Network