3Com CoreBuilder 5000 User manual

®
http://www.3com.com/
CoreBuilder™5000
100BASE-TX Workgroup
FastModule User Guide
Document Number 17-00904-2
Published May 1997

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3Com Corporation
5400 Bayfront Plaza
Santa Clara, California
95052-8145
Copyright © 3Com Corporation, 1997. 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 permission from 3Com Corporation. Portions of this document are
reproduced in whole or part with permission from third parties.
3Com Corporation reserves the right to revise this documentation and to make changes in content from
time to time without obligation on the part of 3Com Corporation to provide notification of such revision or
change.
3Com Corporation provides this documentation without warranty of any kind, either implied or expressed,
including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
3Com may make improvements or changes in the products or programs described in this documentation at
any time.
UNITED STATES GOVERNMENT LEGENDS:
If you are a United States government agency, then this documentation and the software described herein
are provided to you subject to the following restricted rights:
For units of the Department of Defense:
Restricted Rights Legend: Use, duplication, or disclosure by the Government is subject to restrictions as set
forth in subparagraph (c) (1) (ii) for Restricted Rights in Technical Data and Computer Software Clause at
48 C.F.R. 52.227-7013.
For civilian agencies:
Restricted Rights Legend: Use, reproduction, or disclosure is subject to restrictions set forth in subparagraph
(a) through (d) of the Commercial Computer Software – Restricted Rights Clause at 48 C.F.R. 52.227-19
and the limitations set forth in the 3Com Corporation standard commercial agreement for the software.
Unpublished rights reserved under the copyright laws of the United States.
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 hardcopy documentation, or on the
removable media in a directory file named LICENSE.TXT. If you are unable to locate a copy, please contact
3Com and a copy will be sent to you.
Federal Communications Commission Notice
This equipment was tested and found to comply with the limits for a Class A digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment
in a residential area is likely to cause harmful interference, in which case you must correct the interference
at your own expense.
Canadian Emissions Requirements
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur
du Canada.
EMC Directive Compliance
This equipment was tested and conforms to the Council Directive 89/336/EEC for electromagnetic
compatibility. Conformity with this directive is based upon compliance with the following harmonized
standards:
EN 55022 – Limits and Methods of Measurement of Radio Interference
EN 50082-1 – Electromagnetic Compatibility Generic Immunity Standard: Residential, Commercial, and
Light Industry
Warning: This is a Class A product. In a domestic environment, this product may cause radio interference, in
which case you may be required to take adequate measures.
Compliance with this directive depends on the use of shielded cables.
Low Voltage Directive Compliance
This equipment was tested and conforms to the Council Directive 72/23/EEC for safety of electrical
equipment. Conformity with this directive is based upon compliance with the following harmonized
standard:
EN 60950 – Safety of Information Technology Equipment

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VCCI Class 1 Compliance
This equipment is in the 1st Class category (information equipment to be used in commercial or industrial
areas) and conforms to the standards set by the Voluntary Control Council for Interference by Information
Technology Equipment aimed at preventing radio interference in commercial or industrial areas.
Consequently, when the equipment is used in a residential area or in an adjacent area, radio interference
may be caused to radio and TV receivers, and so on.
Read the instructions for correct handling.
Fiber Cable Classification Notice
Use this equipment only with fiber cable classified by Underwriters Laboratories as to fire and smoke
characteristics in accordance with Section 770-2(b) and Section 725-2(b) of the National Electrical Code.
UK General Approval Statement
The CoreBuilder 5000 Integrated System Hub and ONline System Concentrator are manufactured to the
International Safety Standard EN 60950 and are approved in the U.K. under the General Approval Number
NS/G/12345/J/100003 for indirect connection to the public telecommunication network.
Trademarks
Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may
not be registered in other countries.
3Com, Boundary Routing, CardFacts, EtherLink, LANplex, LANsentry, LinkBuilder, NETBuilder, NETBuilder II,
NetFacts, Parallel Tasking, SmartAgent, TokenDisk, TokenLink, Transcend, TriChannel, and ViewBuilder are
registered trademarks of 3Com Corporation.
3TECH, CELLplex, CoreBuilder, EtherDisk, EtherLink II, FDDILink, MultiProbe, NetProbe, and ONline are
trademarks of 3Com Corporation.
3ComFacts is a service mark of 3Com Corporation.
The 3Com Multichannel Architecture Communications System is registered under U.S. Patent
Number 5,301,303.
CompuServe is a registered trademark of CompuServe, Inc.
DEC, DECnet, DELNI, POLYCENTER, VAX, VT100, VT220, and the Digital logo are trademarks of Digital
Equipment Corporation.
OpenView is a registered trademark of Hewlett-Packard Company.
Intel is a registered trademark of Intel Corporation.
AIX, IBM, and NetView are registered trademarks of International Business Machines Corporation.
Microsoft, MS-DOS, Windows, Windows 95, and Windows NT are registered trademarks of
Microsoft Corporation.
NetWare and Novell are registered trademarks of Novell, Incorporated.
IPX is a trademark of Novell, Incorporated.
OSF and OSF/Motif are registered trademarks of Open Software Foundation, Inc.
ONC, OpenWindows, Solaris, Solstice, Sun, Sun Microsystems, SunNet Manager, and SunOS are trademarks
of Sun Microsystems, Inc.
UNIX is a registered trademark of X/Open Company, Ltd. in the United States and other countries.
Other brand and product names may be registered trademarks or trademarks of their respective holders.
Guide written by Jackie Bonin, edited by Pamela Taylor, and produced by Tracey Taylor.

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CONTENTS
ABOUT THIS GUIDE
Audience 1
How to Use This Guide 1
Conventions 2
Related Documents 3
3Com Documents 3
Reference Documents 4
1INTRODUCTION
100BASE-TX Workgroup FastModule Description 1-1
12-Port 100BASE-TX Workgroup FastModule 1-2
100BASE-TX Workgroup FastModule Features 1-3
Managing 100BASE-TX Workgroup FastModules 1-4
Determining Model Number 1-4
100BASE-TX Workgroup FastModules 1-5
2DESIGNING YOUR NETWORK
Implementing 100BASE-TX FastModules in the Network 2-1
Software Requirements 2-1
Network Configuration Rules 2-2
Before Configuring Your Network 2-2
Basic Network Rules 2-3
Network Backplane Restrictions 2-3
Using Module Workgroups 2-4
Workgroup Definition 2-4
Setting Redundant Links 2-5
Setting Redundancy Between Two Ports on One FastModule 2-5
Setting Redundancy Between Ports on Two FastModules 2-5
Making Network Connections 2-7
Sample 100BASE-TX Workgroup FastModule Configuration 2-7

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3INSTALLING THE MODULE
Precautionary Procedures 3-1
Unpacking Procedures 3-2
Quick Installation 3-3
Setting DIP Switches 3-4
DIP Switch Features 3-4
Setting the DIP Switches 3-4
DIP Switch Definition 3-5
Default DIP Switch Settings 3-6
Installing the Module 3-7
4CONFIGURING THE MODULE
Configuring the Module 4-1
Configuration Overview 4-2
Set Port Mode Commands 4-2
Enable/Disable/Shutdown Ports Command 4-3
Setting Port Redundancy Command 4-3
Setting Remote Diagnostics Command 4-3
Set Port Alert Filter Command 4-4
Network Selection 4-5
Showing Module Configurations 4-6
Show Module Command 4-6
Show Port Command 4-6
Gathering Repeater Statistics 4-7
Statistics-Gathering Process 4-7
Monitor Command 4-8
Gathering Repeater Statistics Through SNMP 4-11
Show Counter Command 4-12
Monitoring the Front Panel 4-14
Module Status LED 4-14
Port Status and Activity LEDs 4-14
Verifying LED and Network Operation 4-17
Using the CoreBuilder 5000 Controller Module to Verify Bi-color LED
Operation 4-17

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Using the DMM to Verify Network Connections 4-17
Verifying Network Connections for the 12-port 100BASE-TX
Workgroup FastModule 4-18
5TROUBLESHOOTING
Troubleshooting Using the Module Status LED 5-1
Troubleshooting Using the Port Status LEDs 5-2
Obtaining Technical Assistance 5-3
ASPECIFICATIONS
Standard Protocol A-1
Cable Specifications A-1
Environmental Specifications A-2
Mechanical Specifications A-2
Power Specifications A-2
Regulatory Compliance A-3
BTECHNICAL SUPPORT
Online Technical Services B-1
World Wide Web Site B-2
3Com Bulletin Board Service B-2
Access by Analog Modem B-2
Access by Digital Modem B-2
3ComFacts Automated Fax Service B-3
3ComForum on CompuServe Online Service B-3
Support From Your Network Supplier B-4
Support From 3Com Corporation B-5
Returning Products for Repair B-6
Accessing the 3Com MIB B-6
Contacting 3Com Technical Publications B-7
INDEX
3COM CORPORATION LIMITED WARRANTY

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FIGURES
1-1 CoreBuilder 5000 12-Port 100BASE-TX Workgroup FastModule Front
Panel 1-2
2-1 Sample 100BASE-TX Workgroup FastModule Configuration 2-8
3-1 12-Port 100BASE-TX Workgroup FastModule DIP Switch Location 3-5
3-2 Installing a CoreBuilder 5000 Module 3-8
3-3 Opened and Closed Module Ejectors 3-9
4-1 12-Port 100BASE-TX Workgroup FastModule Faceplate 4-15