Cabletron Systems TRFMIM-22 User manual

TRFMIM-22, TRFMIM-26,

& TRFMIM-28

TOKEN RING FIBER

MEDIA INTERFACE MODULES

USER’S GUIDE

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

The Complete Networking Solution™

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

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: 9030896 July 93

TRFMIM-22

TRFMIM-26

TRFMIM-28

TRMM

, and

MMAC

are

trademarks of Cabletron Systems, Inc.

LANVIEW

and

Remote LANVIEW

are registered trademarks 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 TRFMIM Concentrator Modules........................................ 1-2

1.3 Related Manuals........................................................................... 1-5

1.4 Recommended Reading .............................................................. 1-5

1.5 Getting Help ................................................................................. 1-5

CHAPTER 2 INSTALLATION REQUIREMENTS/

SPECIFICATIONS

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

2.2 Cable Specifications ..................................................................... 2-1

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

2.3.1 Ring Speed.......................................................................... 2-2

2.3.2 Ring Order .......................................................................... 2-3

2.3.3 LANVIEW LEDs................................................................ 2-3

2.3.4 General Specifications....................................................... 2-5

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 ............................................................ 3-6

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

TRFMIM Token Ring Fiber Media Interface

Modules Installation Guide

. This manual serves as a reference for

installing and troubleshooting Cabletron Systems TRFMIM-22™,

TRFMIM-26™, and TRFMIM-28™.

The TRFMIM is a fiber optic token ring concentrator module for use

in the Cabletron MMACs. These concentrators are designed in

compliance with the IEEE 802.5J token ring fiber optic standard.

Available with six, twelve or eighteen ports, the TRFMIM provides

connectivity over multimode fiber optic cable.

Note:

The term

Concentrator Module

is used throughout this manual

when describing features and functions that are common to the

TRFMIM-22, TRFMIM-26, and TRFMIM-28. The terms TRFMIM-22,

TRFMIM-26, and TRFMIM-28 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

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

INTRODUCTION

1-2

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 TRFMIM CONCENTRATOR MODULES

The TRFMIM-22, TRFMIM-26, and TRFMIM-28, shown in

Figure 1-1, can be installed as a free-standing token ring network or

to provide fiber optic connectivity to an existing token ring

network. The 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 bound by externally

accessible Ring-In and Ring-Out ports.)

All concentrator modules are designed for installation into a

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

independent 6, 12, or 18 port ring or to expand an existing token

ring 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.

INTRODUCTION

1-3

Figure 1-1 The TRFMIM Token Ring Concentrator Modules

ERR

16 MBMGMT

TRFMIM-26

ERR

MGMT 16 MB

TRFMIM-28

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

ERR

16 MBMGMT

TRFMIM-22

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

FLNK

INS

INTRODUCTION

1-4

Features of the concentrator module include:

Number of Connections

• TRFMIM-22 12 - fiber optic ports

• TRFMIM-26 6 - fiber optic ports

• TRFMIM-28 18 - fiber optic ports

Multiple concentrator modules can be installed into an MMAC to

increase the number of ports available on a token ring network.

Speed Fault Protection

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

Mb/s) different from what is set on the TRFMIM, that port is

automatically disabled to prevent the ring from beaconing. The

INS

LED flashes red indicating the port with the speed fault is

disabled.

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

The TRMM (Token Ring Management Module) is used to manage

the TRFMIM. A variety of network management tools can be used

to control and monitor TRFMIMs (via the TRMM), including

Cabletron Systems Local Management, Remote LANVIEW/

Windows®, and SPECTRUM®.

LANVIEW LEDs

Several LEDs, on the front panel of the concentrator module, are

used to indicate the ring speed, presence of a network error, status,

and management statistics for each of the TCU ports. LANVIEW is

INTRODUCTION

1-5

an effective tool to help you quickly diagnose your physical layer

network problems.

1.3 RELATED MANUALS

The manuals listed below should be used to supplement the

procedures and other technical data provided in this manual. The

procedures in them will be referenced, where appropriate, but will

not be repeated.

Cabletron Systems

MultiMedia Access Center Overview and Set

Up Guide

Cabletron Systems

Token Ring Local Management for the

Cabletron Systems TRMM

1.4 RECOMMENDED READING

The following publications are recommended if more information

is required on implementing a token ring network.

Local Area Networks, Token Ring Access Method, IEEE Standard

802.5J

Commercial Building Wiring Standard, EIA Standard Proposal

No. 1907-B

(if approved, to be published as

EIA/TIA-568

)

LAN Troubleshooting Handbook

, Mark Miller (1989, M&T

Publishing)

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