Cabletron Systems SEHI SEHI100TX- Manuale utente

SEHI100TX-22 100BASE-T

INTELLIGENT STACKABLE HUB

USER’S GUIDE

SEHI Book Page 1 Wednesday, May 15, 1996 10:42 AM

SEHI100TX 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.



Printed in the United States of America

Order Number: 9031511-01 April 1996

SPECTRUM

LANVIEW

and

BRIM

are registered trademarks and

Element Manager

EPIM

EPIM-100FX

EPIM-100TX

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.

Printed on Recycled Paper

SEHI Book Page i Wednesday, May 15, 1996 10:42 AM

Notice

ii SEHI100TX User’s Guide

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.

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.

SEHI Book Page ii Wednesday, May 15, 1996 10:42 AM

Notice

SEHI100TX User’s Guide iii

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. IFYOU DO NOT

AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE UNUSED

PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND.

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

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.

SEHI Book Page iii Wednesday, May 15, 1996 10:42 AM

Notice

iv SEHI100TX User’s Guide

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.

SEHI Book Page iv Wednesday, May 15, 1996 10:42 AM

SEHI100TX 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..........................................................................1-3

CHAPTER 2 SEHI FEATURES AND OPTIONS

2.1 SEHI Overview............................................................................2-1

2.2 SEHI Features.............................................................................2-2

2.3 Stackable Capabilities.................................................................2-3

2.4 Rack Mounting Capabilities.........................................................2-4

2.5 Remote Network Management....................................................2-4

2.6 Optional 100BASE-TX and 100BASE-FX 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 Specifications for the EPIM-100FX ...............3-3

3.2 Network Cable Lengths...............................................................3-4

3.3 Network Port Specifications.........................................................3-5

3.4 COM Port Requirements.............................................................3-5

3.5 Operating Specifications..............................................................3-6

3.5.1 Power Supply Requirements ..........................................3-6

3.5.2 Environmental Requirements .........................................3-6

3.6 Agency Approvals........................................................................3-7

3.7 Physical Specifications................................................................3-7

CHAPTER 4 INSTALLATION

4.1 Unpacking the SEHI....................................................................4-1

4.2 Pre-Installation Checkout ............................................................4-2

4.3 Tabletop or Shelf Installation.......................................................4-3

4.4 Rackmount Installation................................................................4-4

4.5 Powering Up and Stacking the SEHI...........................................4-7

4.6 Installing the EPIM-100TX or the EPIM-100FX...........................4-9

SEHI Book Page v Wednesday, May 15, 1996 10:42 AM

Contents

vi SEHI100TX User’s Guide

CHAPTER 5 CONNECTING TO THE NETWORK

5.1 Connecting the SEHI to the Network ...........................................5-1

5.1.1 Connecting to Network Ports...........................................5-1

5.1.2 Connecting a UTP Segment to an EPIM-100TX.............5-2

5.1.3 Connecting a Fiber Segment to the EPIM-100FX...........5-4

5.2 Testing the Installation.................................................................5-5

CHAPTER 6 TROUBLESHOOTING

6.1 Installation Test............................................................................6-1

6.2 Using LANVIEW...........................................................................6-2

6.3 Using the RESET Button .............................................................6-4

6.4 Setting the NVRAM Switch ..........................................................6-5

CHAPTER 7 LOCAL MANAGEMENT

7.1 Local Management Keyboard Conventions.................................7-2

7.2 Management Terminal Setup.......................................................7-3

7.3 Accessing Local Management.....................................................7-6

7.4 The Feature Selection Screen .....................................................7-7

7.5 The Community Name Table Screen...........................................7-8

7.5.1 Editing the Community Name Field.................................7-9

7.6 The Configuration Screen..........................................................7-10

7.6.1 Setting the IP Address...................................................7-12

7.6.2 Setting the Subnet Mask...............................................7-12

7.6.3 Setting the Default Gateway..........................................7-13

7.6.4 Using the Port Enable Override.....................................7-13

7.6.5 Exiting the Configuration Screen...................................7-14

7.7 The Trap Table Screen..............................................................7-14

7.7.1 Configuring the Trap Table............................................7-15

7.7.2 Exiting the Trap Table Screen.......................................7-15

7.8 The SNMP Tools Screen ...........................................................7-16

7.8.1 Getting Individual OIDs .................................................7-18

7.8.2 Getting the Next OID.....................................................7-18

7.8.3 Setting an OID...............................................................7-18

7.8.4 Viewing Multiple OIDs...................................................7-19

7.8.5 Walking Through OIDs..................................................7-19

7.8.6 Stepping Through OIDs.................................................7-20

7.8.7 Cycling Through OIDs...................................................7-20

7.8.8 Exiting the SNMP Tools Screen....................................7-20

SEHI Book Page vi Wednesday, May 15, 1996 10:42 AM

Contents

SEHI100TX User’s Guide vii

7.9 The Device Statistics Screen.....................................................7-21

7.9.1 Selecting the Appropriate Module/Port.........................7-23

7.9.2 Using the ENABLE PORT Command...........................7-24

7.9.3 Using the DISABLE PORT Command..........................7-24

7.9.4 Exiting the Device Statistics Screen .............................7-24

APPENDIX A EPIM SPECIFICATIONS

A.1 EPIM Specifications.....................................................................A-1

A.1.1 EPIM-100TX....................................................................A-1

A.1.2 EPIM-100FX....................................................................A-2

APPENDIX B IMAGE FILE DOWNLOAD USING OIDS

B.1 Setting Up a UNIX Workstation as a TFTP Server......................B-2

B.2 Standard Local Download ...........................................................B-3

INDEX

SEHI Book Page vii Wednesday, May 15, 1996 10:42 AM

SEHI100TX User’s Guide 1-1

CHAPTER 1

INTRODUCTION

Welcome to the Cabletron Systems

SEHI100TX-22 100BASE-T

Intelligent Stackable Hub User’s Guide

. This manual provides

installation instructions, troubleshooting, and reference information for

the SEHI100TX-22.

1.1 USINGTHIS MANUAL

Read through this manual to gain an understanding of the features and

capabilities of the SEHI. A general knowledge of Ethernet and IEEE

802.3u type data communications networks and their physical layer

components is helpful when installing the SEHI.

Chapter 1,

Introduction

, outlines the contents and describes the

objectives and conventions of this manual. This chapter also provides

getting help information and concludes with a list of related manuals.

Chapter 2,

SEHI Features and Options

, brieﬂy describes SEHI features

and provides information about available options.

Chapter 3,

Installation Requirements and Specifications

, provides

installation requirements, network guidelines, and SEHI speciﬁcations.

Chapter 4,

Installation

, contains instructions for installing the SEHI as a

stackable or standalone hub.

Chapter 5,

Connecting to the Network

, explains how to connect the

SEHI to the network using the various media types.

Chapter 6,

Troubleshooting

, describes how to use the LANVIEW LEDs

to troubleshoot network problems.

Chapter 7,

Local Management

, describes how to use SEHI Local

Management screens and the available commands.

NOTE

The term SEHI (Stackable Ethernet Hub with Intelligence) is

used throughout this manual when describing the features and

functions of the SEHI100TX-22.

SEHI Book Page 1 Wednesday, May 15, 1996 10:42 AM

Chapter 1:

Introduction

1-2 SEHI100TX User’s Guide

Appendix A,

EPIM Specifications

, provides speciﬁcations, cabling

information, and switch settings for the Ethernet Port Interface Modules.

Appendix B,

Image File Download Using OIDs

, provides instructions

for setting up a TFTP server and downloading an image ﬁle to the SEHI

by setting speciﬁc MIB OID strings.

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.

Warning

symbol.Warns against an action that could result in

equipment damage, personal injury or death.

SEHI Book Page 2 Wednesday, May 15, 1996 10:42 AM

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