Справочник Пользователя для 3com TR

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ONTENTS

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HIS

UIDE

How to Use This Guide 1

Related Publications 2

About the SuperStack

™

II Switch 2000 TR 1-1

System Benefits 1-1

System Features 1-2

Summary of Features 1-3

Typical Applications of Token Ring Switching 1-4

Ring Segmentation 1-5

The Front Panel 1-6

RJ-45 Ports 1-7

Front Panel LEDs 1-7

LCD Display Buttons 1-7

The Rear Panel 1-8

Power Socket 1-9

Serial Number 1-9

Redundant Power System Connector 1-9

Reset Button 1-9

Console Port 1-9

Optional Slide-In Modules 1-9

The ATM Module 1-9

Benefits of an ATM 1-9

Summary of ATM Features 1-10

The FDDI Module 1-10

Benefits of FDDI 1-11

Summary of FDDI Module Features 1-11

The Token Ring-in-Fast Ethernet (TR-in-FE) Module 1-11

Benefits of TR-in-FE 1-11

Summary of TR-in-FE Module Features 1-12

Migrating to High-speed Technologies 1-13

High-speed Cascade Connectors 1-14

Token Ring Switching Concepts 1-14

Why Token Ring Switching? 1-14

Source Route Bridging (SRT) 1-14

Transparent Bridging (TP) 1-15

Bridge Table 1-15

Source Route Transparent Bridging 1-16

Spanning Tree 1-16

802.1d Spanning Tree 1-16

IBM Spanning Tree 1-16

Congestion Control 1-17

Forwarding Modes 1-17

Advantages of VLAN 1-18

Important Safety Information 2-1

Positioning the Switch 2000 TR 2-2

Considerations for Placement 2-2