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1INTRODUCING THE SWITCH 3300 MM

This chapter contains introductory information about the Switch and how

it can be used in your network. It covers the following topics:

■About the SuperStack 3 Switch 3300 M M

■Switch 3300 MM — Front View Detail

■Switch 3300 MM — Rear View Detail

■Network Configuration Examples

■Configuration Rules for Fast Ethernet

■Configuration Rules with Full Duplex

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Contents

Main 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 C ABOUT THIS GUIDE 1 2 A B C D Page Page A BOUT T HIS G Conventions Tab le 1 Notice Icons Tab le 2 Text Conventions Related Documentation Year 2000 Compliance Documentation Comments Product Registration 1 About the SuperStack 3 Switch 3300 MM Switch 3300 MM Front View Detail Tab le 3 LED behavior Switch 3300 MM Rear View Detail Page Network Configuration Examples 18 CHAPTER 1: INTRODUCING THE SWITCH 3300 MM Switch 3300 MM as a Collapsed Backbone Switch DualSpeed Hub 500 Switch1100 Switch1100/3300 Figure 4 Using the Switch as a collapsed backbone Page Page Configuration Rules with Full Duplex Page 2 Choosing a Suitable Site Rack-mounting Placing Units On Top of Each Other Stacking Units Page Page The Power-up Sequence Choosing the Correct Cables Solving Problems Indicated by LEDs contains a list of problems and suggested solutions. Tab le 5 Problems indicated by LEDs Managing the Switch A Important Safety Information Page Page Page Wichtige Sicherheitsinformat ionen B Null Modem Cable PC-AT Serial Cable Modem Cable RJ45 Pin Assignments connectors Tab le 6 Pin assignments Page C Page D Online Technical Services Support from Your Network Supplier Support from 3Com Support from 3Com 47 Here is a list of worldwide technical telephone support numbers: Europe, South Africa, and MiddleEast From the following countries, you may use the toll-freenumbers: (1 800 638 3266) Enterprise Customer s: 1 800 876-3266 Returning Products for Repair G Page Page Page Page Page I S T U W Y 3Com Corporation LIMITED WARRANTY SUPERSTACK 3 SWITCH 3300 MM HARDWARE: SOFTWARE: YEAR 2000 WARRANTY: INCLUDED SERVICES: WARRANTIES EXCLUSIVE: LIMITATION OF LIABILITY: DISCLAIMER: GOVERNING LAW: R EGULATORY N FCC S CSA S CE STATEMENT (EUROPE) VCCI S