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All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Technologies. 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notification of such revision or change. 3Com Technologies provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time. If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you. UNITED STATES GOVERNMENT LEGEND If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following: All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide. Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries. 3Com,Net Age, SmartAgent, SuperStack and Transcend are registered trademarks of 3Com Corporation. The 3Com logo, CoreBuilder and PACE are trademarks of 3Com Corporation. Novell and NetWare are registered trademarks of Novell Incorporated. Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated. All other company and product names may be trademarks of the respective companies with which they are associated. Environmental Statement It is a 3Com policy to be environmentally friendly in all operations. This manual is printed on paper that comes from sustainable, managed European forests. The production process for making the pulp has a reduced AOX level (adsorbable organic halogen) resulting in elemental chlorine-free paper. The paper is fully biodegradable and recyclable. CONTENTS ABOUT THIS GUIDE Conventions 8 Related Documentation 9 Year 2000 Compliance 10 Documentation Comments 10 Product Registration 10 1 INTRODUCING THE SWITCH 3300 MM About the SuperStack 3 Switch 3300 MM 12 Summary of Features 12 Switch 3300 MM — Front View Detail 13 10BASE-T/ 100BASE-TX Ports 13 LEDs 13 Switch 3300 MM — Rear View Detail 15 Unit Information Label 15 Power Socket 15 Redundant Power System Socket 15 Console Port 16 Matrix Ports 16 Network Configuration Examples 17 Switch 3300 MM as a Segmentation Switch 17 Switch 3300 MM as a Collapsed Backbone Switch 18 Switch 3300 MM as a Desktop Switch 19 Configuration Rules for Fast Ethernet 20 Configuration Rules with Full Duplex 21 2 INSTALLING THE SWITCH Choosing a Suitable Site 24 Rack-mounting 24 Placing Units On Top of Each Other 25 Stacking Units 26 Stacking Two Units 26 Stacking Up To Four Units 27 The Power-up Sequence 29 Connecting a Redundant Power System 29 Powering-up the Switch 3300 MM 29 Checking for Correct Operation 29 Choosing the Correct Cables 30 Solving Problems Indicated by LEDs 31 Managing the Switch 32 A SAFETY INFORMATION Important Safety Information 34 L’information de Securite Importante 36 Wichtige Sicherheitsinformationen 38 B PIN-OUTS Null Modem Cable 39 PC-AT Serial Cable 39 Modem Cable 40 RJ45 Pin Assignments 40 C TECHNICAL SPECIFICATIONS D TECHNICAL SUPPORT Online Technical Services 45 World Wide Web Site 45 3Com Knowledgebase Web Services 45 3Com FTP Site 46 Support from Your Network Supplier 46 Support from 3Com 46 Returning Products for Repair 48 GLOSSARY INDEX 3COM CORPORATION LIMITED WARRANTY REGULATORY NOTICES ABOUT THIS GUIDE This guide provides all the information you need to install and use a SuperStack® 3 Switch 3300 MM (3C16988A) unit with default settings. If you want to change the way the Switch works using management software, refer to the “SuperStack Switch Management Guide”. The guide is inten...