Cabletron Systems TRMIM-22A Manuel utilisateur

TRMIM-22A, TRMIM-24A,

TRMIM-42A & TRMIM-44A

93 SERIES

ACTIVE TOKEN RING

MEDIA INTERFACE MODULES

INSTALLATION GUIDE

CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03867-0505

The Complete Networking Solution™

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 03867-0505

Printed in the United States of America

Order Number: 9030420-01 March 93

TRMIM-22A

TRMIM-24A

TRMIM-42A

TRMIM-44A

Remote

LANVIEW

TRRMIM-A

TRMIM-2A

TRRMIM-4A

TRMM

, and

MMAC

are trademarks of Cabletron Systems, Inc.

LANVIEW

is a registered trademark of Cabletron Systems, Inc.

IBM

is a registered trademark of International Business Machines

Corporation.

Printed on Recycled Paper

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 Class A 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.

TABLE OF CONTENTS

iii

TABLE OF CONTENTS

CHAPTER 1 INTRODUCTION

1.1 Using this Manual........................................................................ 1-1

1.2 The Active Concentrator Modules ............................................ 1-2

1.3 Related Manuals........................................................................... 1-6

1.4 Recommended Reading .............................................................. 1-7

1.5 Getting Help ................................................................................. 1-7

CHAPTER 2 INSTALLATION REQUIREMENTS/SPECIFICATIONS

2.1 Network Requirements............................................................... 2-1

2.1.1 Cable Specifications........................................................... 2-1

2.1.2 Cabling Recommendations .............................................. 2-6

2.2 Maximum Number of Stations................................................... 2-8

2.3 Operating Specifications ............................................................. 2-8

2.3.1 Connector Types................................................................ 2-8

2.3.2 Ring Speed........................................................................ 2-10

2.3.3 Ring Order........................................................................ 2-10

2.3.4 LANVIEW LEDs.............................................................. 2-10

2.3.5 General Specifications..................................................... 2-12

CHAPTER 3 INSTALLING THE CONCENTRATOR MODULE

3.1 Unpacking the Concentrator Module ....................................... 3-2

3.2 Configuring the Concentrator Module..................................... 3-3

3.3 Installing the Concentrator Module into the MMAC............. 3-3

3.4 Connecting Lobe Cabling............................................................ 3-4

3.5 Finishing the Installation ............................................................ 3-8

TABLE OF CONTENTS

CHAPTER 4 TESTING AND TROUBLESHOOTING

4.1 Installation Checkout ...................................................................4-1

4.2 Using LANVIEW..........................................................................4-2

INTRODUCTION

1-1

CHAPTER 1

INTRODUCTION

Welcome to the

93 Series Active Token Ring Media Interface

Modules Installation Guide

. This manual serves as a reference for

installing and troubleshooting Cabletron Systems TRMIM-22A™,

TRMIM-24A™, TRMIM-42A™, and TRMIM-44A™.

The TRMIM-22A, TRMIM-24A, TRMIM-42A, and TRMIM-44A

comprise a family of

Active

Token Ring Concentrator modules. The

TRMIM-22A and TRMIM-24A provide 12 and 24 active trunk

coupling unit (TCU) ports, respectively, that support voice grade

unshielded twisted pair (UTP) 100 ohm cabling. The TRMIM-42A

and TRMIM-44A have 12 and 24 active TCU ports, respectively,

supporting IBM®type 1, 2, 6, and 9 shielded twisted pair (STP) 150

ohm cabling.

Both UTP concentrator modules and both STP concentrator

modules are equipped with RJ-45 modular connectors. The

concentrator module RJ-45 connectors provide for connection of the

cabling shield. All four concentrator modules are designed for

installation in any Cabletron Systems Multi Media Access Center

(MMAC™) equipped with a Flexible Network Bus (FNB™). All

four concentrator modules are IEEE 802.5 compliant and

compatible with IBM™ products.

Note:

The term

Concentrator Module

is used throughout this manual

when describing features and functions that are common to the TRMIM-

22A, TRMIM-24A, TRMIM-42A, and TRMIM-44A. The terms

TRMIM-22A, TRMIM-24A, TRMIM-42A, and TRMIM-44A are used

when it is necessary to describe features that are unique to any device.

1.1 USING THIS MANUAL

Prior to installing and operating your concentrator module, read

through this manual completely to familiarize yourself with its

INTRODUCTION

1-2

contents and to gain an understanding of the features of the

concentrator module.

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

will be helpful when installing your concentrator module.

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 you begin installing

your concentrator module. Detailed specifications for each of the

concentrator modules is also provided.

Chapter 3,

Installing the Concentrator Module

, contains

instructions for installing a concentrator module into the MMAC,

and attaching token ring station cabling.

Chapter 4,

Testing and Troubleshooting

, describes checks that you

can perform if you encounter problems after installing a

concentrator module. Instructions for using LANVIEW®,

Cabletron Systems built-in visual diagnostic and status monitoring

system, are also included.

1.2 THE ACTIVE CONCENTRATOR MODULES

The TRMIM-22A, TRMIM-24A, TRMIM-42A, and TRMIM-44A,

shown in Figure 1-1, can be installed as a free standing token ring

network or to provide UTP or STP connectivity to an existing token

ring network. All four concentrator modules are designed for

installation into a Cabletron Systems MMAC. Since they do not

have externally accessible Ring-In and Ring-Out ports, they are

considered

concentrator modules. (A concentrator in token ring

applications is defined as a device with multiple TCU ports

bounded by externally accessible Ring-In and Ring-Out ports.)

All four concentrator modules are designed for installation into a

Cabletron Systems MMAC, where they can be used to create an

independent 12 or 24 port ring or to expand an existing token ring

INTRODUCTION

1-3

network. When any concentrator module is used within an MMAC,

the concentrator module is connected via the Flexible Network Bus

(FNB) to other token ring MIMs, repeaters, or bridges.

Figure 1-1 The TRMIM-22A, TRMIM-24A, TRMIM-42A,

and TRMIM-44A Token Ring Concentrator Modules

TRMIM-44A

ACTIVE STP

TOKEN RING

TRMIM-42A

ACTIVE STP

TOKEN RING

TRMIM-24A

ACTIVE UTP

TOKEN RING

TRMIM-22A

ACTIVE UTP

TOKEN RING

93 SERIES 93 SERIES 93 SERIES 93 SERIES

INTRODUCTION

1-4

Features of the concentrator module include:

Number of Connections

• TRMIM-22A 12 - Unshielded RJ-45 ports

• TRMIM-42A 12 - Shielded RJ-45 ports

• TRMIM-24A 24 - Unshielded RJ-45 ports

• TRMIM-44A 24 - Shielded RJ-45 ports

Multiple concentrator modules can be installed into an MMAC to

increase the number of UTP/STP ports available on a token ring

network.

Distance and Cable Type

The

active

TCU ports regenerate, reshape and filter the incoming

signal permitting UTP lobe cable lengths of up to

100 meters

and

STP lobe cable lengths up to

200 meters

at 16 Mbit/s ring speed.

The UTP concentrator modules support voice grade Unshielded

Twisted Pair (UTP), categories 3, 4 and 5 cabling. The STP

concentrator modules support IBM type 1, 2, 6, and 9 STP cabling.

Detailed specifications for supported cable types and lengths are

listed in Chapter 2,

Installation Requirements/Specifications.

Cable Signal Polarity

Differential Manchester encoding is utilized for each of the

concentrator module TCU ports. This permits passing data

regardless of receive link polarity.

Note:

If a reversed polarity condition is discovered, the segment should be

removed from the network and wired correctly (according to the connector

wiring shown in

Chapter 2, Installation Requirements /

Specifications

). This will avoid the potential for future compatibility

problems.

INTRODUCTION

1-5

Speed Fault Protection

If a station attempts to inserting into the ring at a ring speed (4 or 16

mbits) different from what is set on the TRMIM, that port is

automatically bypassed to prevent the ring from beaconing. The

PEN

LED flashes indicating the port with the speed fault is

bypassed.

Multiple Concentrator Modules

Several concentrator modules can be installed into a single MMAC

and configured as independent rings or linked together into a

single ring network thru the FNB. Configuration guidelines can be

found in Chapter 3, Installing the Concentrator Module.

Multiple MMACs in a Ring Network

Several MMACs can be connected into the same ring network by

installing token ring concentrators (TRMIM-10R/20R with

externally accessible Ring-In/Ring-Out ports) or token ring

repeaters (TRRMIM-A/2A/4A). The choice between using

concentrators or repeaters depends on specific network

configurations. Refer to Cabletron Systems

TRMIM-10R/20R

Installation Guide

TRRMIM-A/2A/4A Installation Guide

for

more information on the use of these products or contact Cabletron

Systems Technical Support.

A variety of network management tools can be used to control and

monitor TRMIMs, including Cabletron Systems Local

Management, Remote LANVIEW/Windows™, and

SPECTRUM™.

Multi-Ring Out Capability

With this feature any port of the concentrator module may be set as

a ring-out port through the MMAC management module. In this

configuration a stand-alone passive concentrator (such as an IBM

8228) may be added to the ring as shown in Figure 1-2. This allows

Ce manuel convient aux modèles suivants

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