Cabletron Systems 42T Manuale utente

MICROMMAC-22T/24T/42T/44T

STACKABLE TOKEN RING

INTELLIGENT HUBS

USER’S GUIDE

iii

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.

Cabletron Systems, Inc.

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

Printed in the United States of America

Order Number: 9031320 March 1996

MicroMMAC-22T, 24T, 42T, 44T, BRIM, and TPIM 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 Pa

per

NOTICE

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.

NEED JAP ANESE GRAPHIC TEXT HERE

BEFORE RELEASE

NOTICE

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 THISAGREEMENT, 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 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 OFWARRANTY 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

TOYOU BY CABLETRON IN WRITING, EITHER EXPRESS OR IMPLIED,

INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF

MERCHANTABLITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH

RESPECT TO THE PROGRAM, THE ACCOMPANYING WRITTEN MATERIALS,

AND ANY ACCOMPANYING HARDWARE.

NOTICE

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 TOYOU.

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 03866

vii

CONTENTS

CHAPTER 1 INTRODUCTION

1.1 CONTENTS OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . .1-1

1.2 MicroMMAC-T OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . .1-2

1.3 MicroMMAC-T FEATURES . . . . . . . . . . . . . . . . . . . . . . . .1-3

1.4 STACKABLE CAPABILITIES . . . . . . . . . . . . . . . . . . . . . . .1-8

1.5 BRIDGING/ROUTING CAPABILITIES. . . . . . . . . . . . . . . .1-9

1.5.1 SNA/WAN Integration. . . . . . . . . . . . . . . . . . . . . .1-10

1.6 REMOTE MANAGEMENT CAPABILITIES . . . . . . . . . . .1-10

1.7 TELNET CAPABILITIES . . . . . . . . . . . . . . . . . . . . . . . . .1-10

1.8 RECOMMENDED READING. . . . . . . . . . . . . . . . . . . . . .1-11

1.9 GETTING HELP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-11

CHAPTER 2 REQUIREMENTS/SPECIFICATIONS

2.1 CABLE SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . .2-1

2.1.1 UTP Cable Speciﬁcations . . . . . . . . . . . . . . . . . . .2-2

2.1.2 STP Cable Speciﬁcations. . . . . . . . . . . . . . . . . . . .2-4

2.1.4 Single Mode Fiber Optic Cable Speciﬁcations. . . .2-7

2.2 CABLE RECOMMENDATIONS/TROUBLESHOOTING . .2-8

2.3 COM PORT SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . .2-9

2.4 TPIM SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . .2-10

2.5 GENERAL SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . .2-15

2.5.1 Power Supply Requirements . . . . . . . . . . . . . . . .2-16

2.5.2 Environmental Requirements. . . . . . . . . . . . . . . .2-16

2.5.3 Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-16

2.5.4 Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-16

2.5.5 Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-17

CHAPTER 3 INSTALLATION

3.1 UNPACKING THE MicroMMAC-T . . . . . . . . . . . . . . . . . . .3-1

3.2 ATTACHING THE STRAIN RELIEF BRACKET . . . . . . . . .3-1

3.3 INSTALLING THE MicroMMAC-T . . . . . . . . . . . . . . . . . . .3-2

3.3.1 Rack-Mounting the MicroMMAC-T. . . . . . . . . . . . .3-2

3.3.2 Wall-Mounting the MicroMMAC-T . . . . . . . . . . . . .3-3

3.3.3 Free-Standing Installation . . . . . . . . . . . . . . . . . . .3-5

3.4 CONNECTING TO A POWER SOURCE. . . . . . . . . . . . . .3-5

CONTENTS

viii

3.5 RESETTING THE MICROMMAC-T. . . . . . . . . . . . . . . . . .3-5

3.6 SETTING THE RING SPEED . . . . . . . . . . . . . . . . . . . . . .3-6

3.7 SETTING THE NVRAM SWITCH . . . . . . . . . . . . . . . . . . .3-7

3.8 CONNECTING LOBE PORT CABLING . . . . . . . . . . . . . .3-8

3.9 INSTALLING TPIM MODULES . . . . . . . . . . . . . . . . . . . .3-12

3.9.1 Setting Phantom and RI/RO Switches. . . . . . . . .3-13

3.9.2 TPIM Installation . . . . . . . . . . . . . . . . . . . . . . . . .3-14

3.9.3 Connecting STP Segments . . . . . . . . . . . . . . . . .3-15

3.9.4 Connecting Twisted Pair Segments . . . . . . . . . . .3-16

3.9.5 Connecting Fiber Optic Link Segments . . . . . . . .3-17

3.10 CHECKING THE INSTALLATION . . . . . . . . . . . . . . . . . .3-19

CHAPTER 4 LOCAL MANAGEMENT

4.1 MANAGEMENT TERMINAL REQUIREMENTS . . . . . . . .4-1

4.1.1 Attaching the Management Terminal . . . . . . . . . . .4-2

4.1.2 Management Terminal Setup Parameters . . . . . . .4-2

4.1.3 Modem Cable Conﬁguration and Setup. . . . . . . . .4-3

4.2 ACCESSING LOCAL MANAGEMENT . . . . . . . . . . . . . . .4-4

4.2.1 Accessing Local Management via Telnet. . . . . . . .4-5

4.2.2 Accessing Local Management from a Modem. . . .4-6

4.3 USING LOCAL MANAGEMENT . . . . . . . . . . . . . . . . . . . .4-6

4.3.1 Working with Local Management Screens. . . . . . .4-7

4.3.2 The SYSTEM LEVEL Screen . . . . . . . . . . . . . . . .4-9

4.3.3 The SNMP COMMUNITY NAMES Screen . . . . .4-15

4.3.4 The SNMP TRAPS Screen . . . . . . . . . . . . . . . . .4-17

4.3.5 The RING SECURITY Screen. . . . . . . . . . . . . . .4-18

4.3.6 The DEVICE STATISTICS Screen. . . . . . . . . . . .4-23

4.3.7 The CHASSIS STATUS VIEW Screen . . . . . . . . .4-28

4.3.8 The COMPONENT STATUS Screen . . . . . . . . . .4-35

4.3.9 The MIB NAVIGATOR Screen . . . . . . . . . . . . . . .4-36

4.3.10 The FLASH DOWNLOAD Screen . . . . . . . . . . . .4-40

CHAPTER 5 TROUBLESHOOTING

5.1 USING LANVIEW LEDs . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

5.2 USING THE LCD DISPLAY . . . . . . . . . . . . . . . . . . . . . . . .5-2

5.2.1 Static System Messages . . . . . . . . . . . . . . . . . . . .5-3

5.2.2 Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . .5-4

5.2.3 Unsaved Initialization Messages . . . . . . . . . . . . . .5-5

CONTENTS

5.2.4 Saved System Messages. . . . . . . . . . . . . . . . . . . .5-6

5.3 VIEWING POWER UP DIAGNOSTIC TESTS. . . . . . . . . .5-7

1-1

CHAPTER 1

INTRODUCTION

Welcome to the Cabletron Systems

MicroMMAC-22T/-24T/-42T/

-44T StackableToken Ring Intelligent Hub User’s Guide

. This manual

provides installation instructions, network requirements, reference

information, and operating instructions for the MicroMMAC-T (Figure

1-1) family of stackable hubs. Installing the MicroMMAC-T requires

familiarity with the physical layer components of Token Ring (IEEE

802.5) data communications networks.

NOTE

: Unless otherwise speciﬁed, this manual uses the term

MicroMMAC-T to collectively refer to the MicroMMAC-22T, the

MicroMMAC-24T, the MicroMMAC-42T, and the MicroMMAC-44T.

Figure 1-1. The MicroMMAC-T

1.1 CONTENTS OVERVIEW

This manual contains the following information:

Chapter 1,

Introduction

, outlines the contents of this manual and

describes features of the MicroMMAC-T and its add-on components. It

also lists sources where more information on Token Ring network

implementation can be found.

Chapter2,

Requirements/Speciﬁcations

,describescablingrequirements,

network guidelines, and MicroMMAC-T operating speciﬁcations.

Chapter 3,

Installation,

contains MicroMMAC-T installation instructions

and discusses network connections using various media types. This

chapter includes instructions for setting the Ring Speed Switch, the Reset

Switch, the NVRAM Switch, and the TPIM Phantom Switch. It also

TOKEN RING HUB

WITH

LANVIEW®

SUPPORTING 100 OHM UTP CABLE

MicroMMAC-24T

RESET

CPU ACT

MGMT

16 Mb/s

COM 1COM 2

DISPLAY

SPEED

16M4M TPIM

6 5 4 3 2 1

18 17 16 15 14 13

24 23 22 21 20 19

12 11 10 9 8 7

LCD

TPIM

Slot

Ring Out

INTRODUCTION

1-2

describes how to install a TPIM and concludes with installation check-out

instructions.

Chapter 4,

Local Management

, explains how to set up and use a

management terminal and a modem to access Local Management.

Chapter 5,

Troubleshooting

, explains how to monitor the operation

performanceofthe MicroMMAC-TusingLANVIEW®LEDs and LCD’s.

It also explains how to access POWER UP diagnostic test information.

1.2 MicroMMAC-T OVERVIEW

The MicroMMAC-T is an intelligent, stackable Multi-Media Access

Center providing connectivity and SNMP management for up to 255

Token Ring users (Local Management for up to 120 Token Ring users) in

remote ofﬁce environments. The MicroMMAC-T can be used in

conjunction with Cabletron’s STH HubSTACK series of stackable

non-intelligent hubs.

Figure 1-2 illustrates a typical MicroMMAC-T conﬁguration scenario.

Attachable Bridge/Routing Interface Modules (BRIMs), incorporated as

seamlessentitieswithin theMicroMMAC-T,provideconnectivitynotonly

to standard Token Rings but also to Ethernet, FDDI,ATM, and WAN

environments, depending upon the BRIM types used.

TokenRingPort InterfaceModules(TPIMs)attachable at theRingIn/Ring

Out(RI/RO) ports provideconnectivity and expandedtrunkconnectionsto

a range of Token Ring media: Unshielded Twisted Pair (UTP), Shielded

Twisted Pair (STP), and Fiber.

By installing Cabletron’s MicroSNAC daughterboard in the

MicroMMAC-T, you can consolidate SNA/SDLC, BSC, LAN, and WAN

connectivity into a single unit.

Telnet support provides easy access to Local Management tools from any

TCP/IP based node on the network.

The MicroMMAC-T complies with the IEEE 802.5 standard and is fully

IBM Token Ring compatible. The remainder of this chapter discusses

MicroMMAC-T features in greater detail.

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