3Com SuperStack II 3300 XM User manual

®
http://www.3com.com/
SuperStack®II Switch 3300 XM
User Guide
3C16985A
Part No. DUA1698-5AAA02
Published May 2000

3Com Corporation
5400 Bayfront Plaza
Santa Clara, California
95052-8145
Copyright © 2000, 3Com Technologies. All rights reserved. No part of this documentation may be reproduced
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adaptation) without written permission from 3Com Technologies.
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to time without obligation on the part of 3Com Technologies to provide notification of such revision or
change.
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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, the 3Com logo, Net Age, SmartAgent, SuperStack and Transcend are registered trademarks of
3Com Corporation. CoreBuilder and PACE are trademarks of 3Com Corporation. 3ComFacts is a service mark
of 3Com Corporation.
Novell and NetWare are registered trademarks of Novell Incorporated.
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All other company and product names may be trademarks of the respective companies with which they are
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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
1INTRODUCING THE SWITCH 3300 XM
About the SuperStack II Switch 3300 XM 12
Summary of Features 12
Switch 3300 XM —Front View Detail 13
10BASE-T/100BASE-TX Ports 13
LEDs 13
Switch 3300 XM —Rear View Detail 15
Unit Information Label 15
Power Socket 15
Redundant Power System Socket 15
Console Port 16
Matrix Port 16
Network Configuration Examples 17
Switch 3300 XM as a Segmentation Switch 17
Switch 3300 XM as a Collapsed Backbone Switch 18
Switch 3300 XM as a Desktop Switch 19
Configuration Rules for Fast Ethernet 20
Configuration Rules with Full Duplex 21
2INSTALLING 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 XM 29
Checking for Correct Operation 29
Choosing the Correct Cables 30
Solving Problems Indicated by LEDs 31
Managing the Switch 32
ASAFETY INFORMATION
Important Safety Information 34
L’information de SécuritéImportante 36
Wichtige Sicherheitsinformationen 38
BPIN-OUTS
Null Modem Cable 39
PC-AT Serial Cable 39
Modem Cable 40
RJ45 Pin Assignments 40
CTECHNICAL SPECIFICATIONS
DTECHNICAL SUPPORT
Online Technical Services 45
World Wide Web Site 45
3Com Knowledgebase Web Services 45
3Com FTP Site 46
3Com Facts Automated Fax Service 46
Support from Your Network Supplier 46
Support from 3Com 46
Returning Products for Repair 48

GLOSSARY
INDEX
3COM CORPORATION LIMITED WARRANTY
EMC STATEMENTS

ABOUT THIS GUIDE
This guide provides all the information you need to install and use a
SuperStack®II Switch 3300 XM (3C16985A) unit with default settings. If
you want to change the way the Switch works using management
software, refer to the “SuperStack II Switch Management Guide”.
The guide is intended for use by network administrators who are
responsible for installing and setting up network equipment;
consequently, it assumes a basic working knowledge of LANs (Local Area
Networks).
If the information in the release notes that are shipped with your product
differs from the information in this guide, follow the instructions in the
release notes.
Most user guides and release notes are available in Adobe Acrobat
Reader Portable Document Format (PDF) or HTML on the 3Com
World Wide Web site:
http://www.3com.com/
This guide makes reference to the SuperStack II Switch 3300 MM. This
Switch has three fixed Matrix Ports on its rear panel and can be used to
stack any 1100/3300 family Switch. Note that any 1100/3300 family
Switch fitted with a Matrix Module can also be used to stack Switches.
All the Switches mentioned in this guide are compatible with the
Switches found within the SuperStack II 1100/3300 family range.

8ABOUT THIS GUIDE
Conventions Table 1 and Table 2 list conventions that are used throughout this guide.
Ta b le 1 Notice Icons
Icon Notice Type Description
Information note Information that describes important features or
instructions
Caution Information that alerts you to potential loss of data or
potential damage to an application, system, or device
Warning Information that alerts you to potential personal injury
Ta b le 2 Text Conventions
Convention Description
Screen displays This typeface represents information as it appears on the
screen.
Syntax The word “syntax”means that you must evaluate the syntax
provided and then supply the appropriate values for the
placeholders that appear in angle brackets. Example:
To change your password, use the following syntax:
system password <password>
In this example, you must supply a password for
<password>.
Commands The word “command”means that you must enter the
command exactly as shown and then press Return or Enter.
Commands appear in bold. Example:
To display port information, enter the following
command:
bridge port detail
The words “enter”
and “type”When you see the word “enter”in this guide, you must type something, and then press Return or Enter. Do not press
Return or Enter when an instruction simply says “type.”
Keyboard key names If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+). Example:
Press Ctrl+Alt+Del

Related Documentation 9
Related
Documentation In addition to this guide, each Switch 3300 XM document set includes
the following:
■Management Guide
This guide contains all the management information for the Switch.
■Quick Reference Guide
This guide contains a quick summary of the hardware and software
information for the Switch.
■Quick Installation Guide
This guide contains a summary of the package contents, and a quick
summary of the installation information for the Switch.
■Release Notes
These notes provide information about the current software release,
including new features, modifications, and known problems.
■SuperStack II Switch Help
This help provides information about the web interface software of
the Switch. It is supplied on the SuperStack II Switch CD-ROM.
■SuperStack II Switch README File
This file provides information about the current software release,
including new features, modifications, and known problems. It is
supplied on the SuperStack II Switch CD-ROM.
Words in italics Italics are used to:
■Emphasize a point.
■Denote a new term at the place where it is defined in the
text.
■Identify menu names, menu commands, and software
button names. Examples:
From the Help menu, select Contents.
Click OK.
Ta b le 2 Text Conventions (continued)
Convention Description

10 ABOUT THIS GUIDE
In addition, there are other publications you may find useful:
■Documentation accompanying the Advanced Redundant Power
System.
Year 2000
Compliance For information on Year 2000 compliance and 3Com products, visit the
3Com Year 2000 Web page:
http://www.3com.com/products/yr2000.html
Documentation
Comments Your suggestions are very important to us. They will help make our
documentation more useful to you. Please e-mail comments about this
document to 3Com at:
[e-mail]
Please include the following information when commenting:
■Document title
■Document part number (on the title page)
■Page number (if appropriate)
Example:
■SuperStack II Switch 3300 XM User Guide
■Part Number DUA1698-5AAA02
■Page 21
Product
Registration You can now register your SuperStack II Switch on the 3Com web site to
receive up-to-date information on your product:
■http://www.3com.com/productreg/pdd