Cabletron Systems TRXMIM-24A Manual de usuario

CABLETRON SYSTEMS, P. O. Box 5005 Rochester, NH 03866-5005

The Complete Networking Solution

™

TRXMIM

USER’S

GUIDE

MODELS 22A, 24A, 42A, 44A

NOTICE

CabletronSystemsreservestherighttomakechangesinspecifications

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.

Cabletron Systems, Inc.

P.O. Box 5005, Rochester, NH 03866-0505

Printed in the United States of America

Part Number 9031265 February, 1996

TRXMIM, TRBMIM, TDRMIM, TRMIM

TRMM-2

, and

TRMM-4

are trademarks of Cabletron Systems, Inc.

SPECTRUM

LANVIEW

, and

Remote LANVIEW

are registered

trademarks of Cabletron Systems, Inc.

IBM

is a registered trademark of International Business Machines

Corporation.

DEC

VT200

, and

VT300

are trademarks of Digital Equipment

Corporation.

CompuServe

is a trademark of CompuServe, Inc.

Printed On Recycled Pape

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

limitsfor a ClassA digital device,pursuant to Part15 of theFCC 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

Thisdigital apparatus doesnotexceedtheClassA limits forradionoise

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.

CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT

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. 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.

CABLETRON SOFTWARE PROGRAM LICENSE

1. LICENSE. Youhavetherighttouse only the one(1) copy of theProgram 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 EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF

MERCHANTABLITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH

RESPECTTOTHE PROGRAM, THE ACCOMPANYINGWRITTENMATERIALS,

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 WARRANTEES 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

CONTENTS

CHAPTER 1 INTRODUCTION

1.1 USING THIS MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

1.2 ABOUT THE TRXMIM FAMILY . . . . . . . . . . . . . . . . . .1-2

1.2.1 TCU Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

1.2.2 Port Assignments and Port Switching. . . . . . . . . . .1-4

1.2.3 Automatic Configuration at Power-Up. . . . . . . . . .1-7

1.2.4 Support for Passive MAU Workgroups . . . . . . . . .1-8

1.2.5 Interaction with Other MIMs in the MMAC . . . .1-10

1.2.6 LANVIEW LEDs . . . . . . . . . . . . . . . . . . . . . . . . .1-11

1.2.7 Network Management. . . . . . . . . . . . . . . . . . . . . .1-11

1.3 FURTHER INFORMATION . . . . . . . . . . . . . . . . . . . . . .1-12

1.3.1 Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . .1-12

1.3.2 Recommended Reading . . . . . . . . . . . . . . . . . . . .1-12

1.3.3 Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-13

CHAPTER 2 INSTALLATION REQUIREMENTS &

SPECIFICATIONS OF OPERATION

2.1 GENERAL CABLING CONSIDERATIONS . . . . . . . . . .2-1

2.1.1 Network Performance Requirements . . . . . . . . . . .2-1

2.1.2 Installation Recommendations . . . . . . . . . . . . . . . .2-2

2.1.3 Maximum Number of Stations . . . . . . . . . . . . . . . .2-3

2.2 UTP CABLING SPECIFICATIONS . . . . . . . . . . . . . . . . .2-3

2.2.1 UTP Cable Categories. . . . . . . . . . . . . . . . . . . . . . .2-4

2.2.2 UTP Cable Lengths to Stations. . . . . . . . . . . . . . . .2-5

2.3 STP CABLING SPECIFICATIONS . . . . . . . . . . . . . . . . . 2-6

2.3.1 STP Cable Categories. . . . . . . . . . . . . . . . . . . . . . .2-6

2.3.2 STP Cable Lengths to Stations . . . . . . . . . . . . . . . .2-7

2.4 TRXMIM OPERATING SPECIFICATIONS . . . . . . . . . .2-8

2.4.1 Media Filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

2.4.2 Connector Types. . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

CONTENTS

2.4.3 Ring Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9

2.4.4 Ring Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

2.4.5 LANVIEW LEDs . . . . . . . . . . . . . . . . . . . . . . . . .2-10

2.5 OTHER SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 2-11

2.5.1 Hardware Specifications. . . . . . . . . . . . . . . . . . . .2-11

2.5.2 Environmental Requirements . . . . . . . . . . . . . . . .2-11

2.5.3 Safety Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-11

2.5.4 Service Projections . . . . . . . . . . . . . . . . . . . . . . . .2-12

CHAPTER 3 INSTALLING THE TRXMIM

3.1 GENERAL CONSIDERATIONS . . . . . . . . . . . . . . . . . . .3-1

3.2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

3.2.1 Unpacking the TRXMIM . . . . . . . . . . . . . . . . . . . .3-2

3.2.2 Setting the Default Ring Speed Jumper . . . . . . . . .3-3

3.2.3 Installing the TRXMIM into an MMAC . . . . . . . . 3-4

3.2.4 Boot-Up Check . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5

3.2.5 Connecting Lobe Cabling. . . . . . . . . . . . . . . . . . . .3-6

3.2.6 Pre-Operational Testing . . . . . . . . . . . . . . . . . . . . .3-9

CHAPTER 4 TESTING AND TROUBLESHOOTING

4.1 INSTALLATION CHECKOUT. . . . . . . . . . . . . . . . . . . . .4-1

4.2 LANVIEW LED SIGNALS. . . . . . . . . . . . . . . . . . . . . . . .4-2

4.2.1 LANVIEW LED Definitions Table . . . . . . . . . . . .4-3

4.2.2 ERR - Error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

4.2.3 BYP - Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

4.2.4 MGMT - Management Mode . . . . . . . . . . . . . . . . .4-5

4.2.5 16MB - Ring Speed . . . . . . . . . . . . . . . . . . . . . . . .4-5

4.2.6 IN USE - Ring In Use. . . . . . . . . . . . . . . . . . . . . . .4-6

4.2.7 PORT - Port Status . . . . . . . . . . . . . . . . . . . . . . . . .4-7

CONTENTS

vii

APPENDIX A INTRODUCTION TO FOUR-RING

FNB FUNCTIONALITY

A.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

A.2 The Flexible Network Bus (FNB). . . . . . . . . . . . . . . . . . . A-1

A.3 FNB Operations Without Port Switching. . . . . . . . . . . . . A-1

A.4 FNB Operations With Port Switching . . . . . . . . . . . . . . . A-3

A.5 Configuration Specifications . . . . . . . . . . . . . . . . . . . . . . A-5

Page 1-1

CHAPTER 1

INTRODUCTION

Welcome to the

Token Ring Port Switching Media Interface

Modules User’s Guide

. This manual serves as a reference for the

installation and troubleshooting of Cabletron Systems modules

TRXMIM-22A™, TRXMIM-24A™, TRXMIM-42A™, and

TRXMIM-44A™.

The TRXMIM models -22A / -24A / -42A / -44A, shown in Figure

1-1, comprise a family of active UTP/STP concentrators with port

switching capability for Token Ring networks. All four models are

designed for installation into any Cabletron Systems Multi Media

Access Center

(MMAC™) equipped with a Flexible Network Bus

(FNB™). All four TRXMIMs are IEEE 802.5 compliant and IBM

compatible.

Figure 1-1. The TRXMIM-22A, TRXMIM-24A, TRXMIM-42A, and

TRXMIM-44A Token Ring Port Switching Concentrator Modules.

TRXMIM-22A

SWITCHING UTP

TOKEN RING

126

115 104

82 71

IN USEAUX2-16Mb

AUX1-16Mb

RING4-16Mb

RING3-16Mb

RING2-16Mb

RING1-16Mb

BYP

IN USE

MGNT

ERR

-PORTS-

TRXMIM-24A

SWITCHING UTP

TOKEN RING

126

115 104

82 71

IN USEAUX2-16Mb

AUX1-16Mb

RING4-16Mb

RING3-16Mb

RING2-16Mb

RING1-16Mb

BYP

IN USE

MGNT

ERR

-PORTS-

IN USE

TRXMIM-42A

126

115 104

82 71

IN USEAUX2-16Mb

AUX1-16Mb

RING4-16Mb

RING3-16Mb

RING2-16Mb

RING1-16Mb

BYP

IN USE

MGNT

ERR

-PORTS-

SWITCHING STP

TOKEN RING

TRXMIM-44A

SWITCHING STP

TOKEN RING

126

115

104 93

71 IN USEAUX2-16Mb

AUX1-16Mb

RING4-16Mb

RING3-16Mb

RING2-16Mb

RING1-16Mb

BYP

IN USE

MGNT

ERR

-PORTS-

IN USE

USING THIS MANUAL

Page 1-2

1.1 USING THIS MANUAL

Prior to installing and operating the TRXMIM, please read through

this manual completely to become familiar with its contents and

with the features of the TRXMIM. If you are not familiar with port

switching and four-ring FNB applications, please begin by reading

Appendix A,

Introduction to Four-Ring FNB Functionality

general working knowledge of Token Ring (IEEE 802.5) networks is

helpful during installation.

Chapter 1,

Introduction

, describes how to use this document,

provides an overview of the features and capabilities of each

concentrator module, and concludes with a list of related manuals.

Chapter 2,

Installation Requirements & Specifications

, lists the

network requirements that must be met before installation, and

provides detailed specifications for each TRXMIM model.

Chapter 3,

Installing the TRXMIM

, contains instructions for

installing the TRXMIM into a Multi Media Access Center

(MMAC™) and attaching Token Ring station cabling.

Chapter 4,

Testing and Troubleshooting

, describes diagnostic

checks to assist in the correction of post-installation problems, and

provides detailed descriptions of LANVIEW

, Cabletron Systems’

built-in visual diagnostic and status monitoring system.

Appendix A,

Introduction to Four-Ring FNB Functionality,

discusses the concepts of port switching and port assignment.

1.2 ABOUT THE TRXMIM FAMILY

The TRXMIM family of concentrator modules provides MMAC

users with a new level of network connectivity. Their port

switching ability (fully described in Section 1.2.2,

Port

Assignments and Port Switching

) expands the number Token

Rings available within an MMAC and enables MMAC users to

switch ring connections between up to six Token Rings, without

changing a single cable connection. TRXMIMs also offer:

• complete compatibility with all Token Ring MIMs,

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