Cabletron Systems SEH100TX-22 User manual

SEH100TX-22
100BASE-T STACKABLE HUB
USER’S GUIDE
®

SEH100TX User’s Guide i
NOTICE
Cabletron Systems reserves the right to make changes in specifications and other information
contained in this document without prior notice. The reader should in all cases consult Cabletron
Systems to determine whether any such changes have been made.
The hardware, firmware, or software described in this manual is subject to change without notice.
IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL,
INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT
NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR
THE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN
ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH
DAMAGES.
 Copyright 1996 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005
All Rights Reserved
Printed in the United States of America
Order Number: 9031510-02 December 1996
SPECTRUM , LANVIEW and BRIM are registered trademarks and Element Manager , EPIM ,
EPIM-100FX , EPIM-100TX , EPIM-100FMB , HubSTACK , MicroMMAC , SEH , and SEHI are
trademarks of Cabletron Systems, Inc.
All other product names mentioned in this manual may be trademarks or registered trademarks of
their respective companies.
FCC NOTICE
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
NOTE: This equipment has been 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 uses, generates, and can radiate radio frequency energy and if not installed in
accordance with the operator’s manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause interference in which case the user
will be required to correct the interference at his own expense.
WARNING: Changes or modifications made to this device which are not expressly approved by the
party responsible for compliance could void the user’s authority to operate the equipment.
Only qualified personnel should perform installation
procedures.
Printed on Recycled Paper

Notice
ii SEH100TX User’s Guide
DOC NOTICE
This digital apparatus does not exceed the ClassA limits for radio noise emissions from digital
apparatus set out in the Radio Interference Regulations of the Canadian Department of
Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables
aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par le ministère des Communications du Canada.
VCCI NOTICE
This equipment is in the 1st Class Category (information equipment to be used in commercial and/or
industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference
by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial
and/or industrial areas.
Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be
caused to radios and TV receivers, etc.
Read the instructions for correct handling.
CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT
IMPORTANT: Before utilizing this product, carefully read this License Agreement.
This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”)
that sets forth your rights and obligations with respect to the Cabletron software program (the
“Program”) contained in this package. The Program may be contained in firmware, chips or other
media. BY UTILIZING THE ENCLOSED PRODUCT,YOU ARE AGREEING TO BECOME
BOUND BY THE TERMS OF THIS AGREEMENT, WHICH INCLUDES THE LICENSE AND
THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IF YOU DO NOT
AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE UNUSED
PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND.

Notice
SEH100TX User’s Guide iii
CABLETRON SOFTWARE PROGRAM LICENSE
1. LICENSE. You have the right to use only the one (1) copy of the Program provided in this
package subject to the terms and conditions of this License Agreement.
You may not copy, reproduce or transmit any part of the Program except as permitted by the
Copyright Act of the United States or as authorized in writing by Cabletron.
2. OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the
Program.
3. APPLICABLE LAW. This License Agreement shall be interpreted and governed under the laws
and in the state and federal courts of New Hampshire. You accept the personal jurisdiction and
venue of the New Hampshire courts.
EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY
1. EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabletron in
writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including
its documentation and media).
CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUPPLIED TO
YOU BY CABLETRON IN WRITING, EITHER EXPRESSED OR IMPLIED, INCLUDING
BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PROGRAM, THE
ACCOMPANYING WRITTEN MATERIALS, AND ANY ACCOMPANYING HARDWARE.
2. NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL
CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER
(INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS,
PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL,
INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS)
ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT,
EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR
ON THE DURATION OR LIMITATION OF IMPLIED WARRANTIES, IN SOME
INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO
YOU.
UNITED STATES GOVERNMENT RESTRICTED RIGHTS
The enclosed product (a) was developed solely at private expense; (b) contains “restricted computer
software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the
Commercial Computer Software - Restricted Rights Clause and its successors, and (c) in all respects
is proprietary data belonging to Cabletron and/or its suppliers.
For Department of Defense units, the product is licensed with “Restricted Rights” as defined in the
DoD Supplement to the Federal Acquisition Regulations, Section 52.227-7013 (c) (1) (ii) and its
successors, and use, duplication, disclosure by the Government is subject to restrictions as set forth in
subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at
252.227-7013. Cabletron Systems, Inc., 35 Industrial Way, Rochester, New Hampshire 03867-0505.

Notice
iv SEH100TX User’s Guide
DECLARATION OF CONFORMITY
Application of Council Directive(s): 89/336/EEC
73/23/EEC
Manufacturer’s Name: Cabletron Systems, Inc.
Manufacturer’s Address: 35 Industrial Way
PO Box 5005
Rochester, NH 03867
European Representative Name: Mr. J. Solari
European Representative Address: Cabletron Systems Limited
Nexus House, Newbury Business Park
London Road, Newbury
Berkshire RG13 2PZ, England
Conformance to Directive(s)/Product Standards: EC Directive 89/336/EEC
EC Directive 73/23/EEC
EN 55022
EN 50082-1
EN 60950
Equipment Type/Environment: Networking Equipment, for use in a
Commercial or Light
Industrial
Environment.
We the undersigned, hereby declare, under our sole responsibility, that the equipment packaged
with this notice conforms to the above directives.
Manufacturer Legal Representative in Europe
Mr. Ronald Fotino Mr. J. Solari
___________________________________ ___________________________________
Full Name Full Name
Principal Compliance Engineer Managing Director - E.M.E.A.
___________________________________ ___________________________________
Title Title
Rochester, NH, USA Newbury, Berkshire, England
___________________________________ ___________________________________
Location Location

SEH100TX User’s Guide v
CONTENTS
CHAPTER 1 INTRODUCTION
1.1 Using This Manual.......................................................................1-1
1.2 Document Conventions...............................................................1-2
1.3 Getting Help.................................................................................1-3
1.4 Related Manuals..........................................................................1-4
CHAPTER 2 SEH FEATURES AND OPTIONS
2.1 SEH Overview.............................................................................2-2
2.2 SEH Features..............................................................................2-2
2.3 Stackable Capabilities.................................................................2-3
2.4 Rack Mounting Capabilities.........................................................2-3
2.5 Optional EPIMs............................................................................2-4
CHAPTER 3 INSTALLATION REQUIREMENTS
AND SPECIFICATIONS
3.1 Cable Specifications....................................................................3-1
3.1.1 HubSTACK Interconnect Cable Requirements...............3-1
3.1.2 UTP Cable Specifications...............................................3-2
3.1.3 Multimode Fiber Optic Cable Specifications...................3-3
3.2 Network Cable Lengths...............................................................3-4
3.3 Network Port Specifications.........................................................3-5
3.4 Operating Specifications..............................................................3-6
3.4.1 Power Supply Requirements ..........................................3-6
3.4.2 Environmental Requirements .........................................3-6
3.5 Agency Approvals........................................................................3-6
3.5.1 Safety..............................................................................3-6
3.5.2 Emission .........................................................................3-6
3.5.3 Immunity .........................................................................3-7
3.6 Physical Specifications................................................................3-7

Contents
vi SEH100TX User’s Guide
CHAPTER 4 INSTALLATION
4.1 Unpacking the SEH......................................................................4-1
4.2 Tabletop or Shelf Installation .......................................................4-2
4.3 Rackmount Installation.................................................................4-3
4.4 Powering Up and Stacking the SEH............................................4-5
4.4.1 Stacking SEH Hubs with an SEHI...................................4-6
4.4.2 Stacking Unmanaged SEH Hubs Together.....................4-8
4.5 Installing an EPIM........................................................................4-8
CHAPTER 5 CONNECTING TO THE NETWORK
5.1 Connecting the SEH100TX-22 to the Network ............................5-1
5.1.1 Connecting to Network Ports...........................................5-1
5.1.2 Connecting to an EPIM-100TX........................................5-2
5.1.3 nnecting an EPIM-100FX or EPIM-100FMB ...................5-4
5.2 Testing the Installation.................................................................5-5
CHAPTER 6 TROUBLESHOOTING
6.1 Installation Test............................................................................6-1
6.2 Using LANVIEW...........................................................................6-2
APPENDIX A EPIM INFORMATION
A.1 EPIM Specifications.................................................................... A-1
A.1.1 EPIM-100TX................................................................... A-1
A.1.2 EPIM-100FX................................................................... A-2
A.1.3 EPIM-100FMB................................................................ A-3
INDEX

SEH100TX User’s Guide 1-1
CHAPTER 1
INTRODUCTION
Welcome to the Cabletron Systems SEH100TX-22 100BASE-T
Stackable Hub User’s Guide
. This manual provides installation
instructions, troubleshooting and reference information for the
SEH100TX-22.
1.1 USINGTHIS MANUAL
Read through this manual to gain an understanding of the features and
capabilities of the SEH. A general knowledge of Ethernet and IEEE
802.3u type data communications networks and their physical layer
components is helpful when installing the SEH.
Chapter 1,
Introduction , outlines the contents and describes the
objectives and conventions of this manual. This chapter also provides
information about how to get help and concludes with a list of related
manuals.
Chapter 2,
SEH Features and Options , briefly describes SEH features
and provides information about available options.
Chapter 3, Installation Requirements and Specifications , provides
installation requirements, network guidelines, and SEH specifications.
Chapter 4, Installation , contains instructions for installing the SEH as a
stackable or standalone hub.
Chapter 5, Connecting to the Network , explains how to connect the SEH
to the network using the various media types.
Chapter 6, Troubleshooting , describes how to use the LANVIEW LEDs
to troubleshoot network problems.
Appendix A,
EPIM Information , provides specifications, cabling
information, and switch settings for the Ethernet Port Interface Modules.
NOTE
The terms SEH (Stackable Ethernet Hub) and SEHI (Stackable
Ethernet Hub with Intelligence) are used throughout this
manual when referring to the SEH100TX-22 and the
SEHI100TX-22, respectively.

Chapter 1: Introduction
1-2 SEH100TX User’s Guide
1.2 DOCUMENT CONVENTIONS
The following conventions are used throughout this document:
NOTE
Note symbol. Calls the reader’s attention to any item of
information that may be of special importance.
TIP
Tip symbol. Conveys helpful hints concerning procedures or
actions.
!
CAUTION
Caution symbol. Contains information essential to avoid
damage to the equipment.
Electrical Hazard Warning symbol.Warns against an action
that could result in personal injury or death due to an electrical
hazard.