Cabletron Systems Cabletron BRIM-F6 Manuale utente

BRIM-F6

USER’S GUIDE

BRIM-F Book Page 1 Monday, January 29, 1996 9:26 AM

BRIM-F6 User’s Guide

CONTENTS

CHAPTER 1 INTRODUCTION.........................................................1-1

1.1 Using This Manual.......................................................................1-2

1.2 Getting Help.................................................................................1-2

1.3 BRIM-F6 Overview......................................................................1-3

1.4 BRIM-F6 Features.......................................................................1-3

1.5 Related Documentation...............................................................1-4

CHAPTER 2 INSTALLATION...........................................................2-1

2.1 Unpacking the BRIM and the FPIM.............................................2-1

2.2 Installing FPIMs...........................................................................2-2

2.3 Installing the BRIM-F6.................................................................2-3

2.3.1 Installing a BRIM-F6 into a MIM.....................................2-4

2.3.2 Installing a BRIM-F6 into a Hub......................................2-7

CHAPTER 3 USING LANVIEW.......................................................3-1

CHAPTER 4 SPECIFICATIONS.......................................................4-1

4.1 Fiber Optic interface....................................................................4-1

4.2 Cable Speciﬁcations....................................................................4-5

4.3 Twisted Pair Pinout Conﬁguration................................................4-7

4.4 Environment................................................................................4-8

4.5 Safety..........................................................................................4-8

APPENDIX A BASIC FDDI NETWORKS .........................................A-1

A.1 Basic FDDI Concepts..................................................................A-1

A.2 FDDI Media Access Protocol.......................................................A-1

A.3 Reliability.....................................................................................A-3

A.4 ANSI Standard X3T9.5................................................................A-4

A.5 FDDI Connection Rules...............................................................A-8

A.6 FDDI Devices..............................................................................A-9

A.7 Design Considerations for FDDI Networks................................A-14

A.7.1 Ring Length..................................................................A-14

A.7.2 Drive Distance..............................................................A-15

A.7.3 Attenuation...................................................................A-15

A.7.4 Bandwidth.....................................................................A-16

A.7.5 Number of Stations.......................................................A-16

BRIM-F Book Page vii Monday, January 29, 1996 9:26 AM

BRIM-F6 User’s Guide

Page 1-1

CHAPTER 1

INTRODUCTION

Welcome to the Cabletron Systems

BRIM-F6 User’s Guide

. This

manual describes features, explains installation procedures, and provides

speciﬁcations for the BRIM-F6 — Cabletron Systems FDDI Bridge/

Router Interface Module (BRIM).

The BRIM-F6 resides in, and provides additional connectivity/

functionality to, various Cabletron MIMs and hubs (e.g., the EMM-E6,

ESXMIM, NBR-420/620 or MicroMMAC). The BRIM-F6 utilizes two

FPIM (FDDI Port Interface Module) slots to provide you with the option

of using multimode ﬁber optic, single mode ﬁber optic, unshielded

twisted pair, or shielded twisted pair transceiver ports based on your

network requirements.

Figure 1-1. BRIM-F6

BRIM-F6

XMTPWR RCV STS

FPIM A

WRPLNK TWR LNK

RESERVED FOR FPIM

FPIM B

RESERVED FOR FPIM

BRIM-F6

XMTPWR RCV STS

FPIM A

WRPLNK TWR LNK

RESERVED FOR FPIM

FPIM B

RESERVED FOR FPIM

BRIM-F Book Page 1 Monday, January 29, 1996 9:26 AM

CHAPTER 1:

INTRODUCTION

Page 1-2

BRIM-F6 User’s Guide

1.1 Using This Manual

Read through this manual completely to familiarize yourself with its

content and to gain an understanding of the features and capabilities of

the BRIM-F6.

In addition to having a general working knowledge of Ethernet and IEEE

802.3 type data communications networks and their physical layer

components, you should also understand FDDI networks and the ANSI

X3T9.5 standard prior to installing the BRIM-F6. For a review of FDDI,

see Appendix A,

Basic FDDI Networks

Chapter 1,

Introduction

, outlines the contents of this manual, highlights

BRIM-F6 features, and concludes with a list of related documentation.

Chapter 2,

Installation

, describes how to install FPIMs into the BRIM-F6

and how to install the BRIM-F6 into a Media Interface Module (MIM) or

a stand-alone hub.

Chapter 3,

Using LANVIEW

, describes how to use the front panel LEDs

to monitor BRIM performance.

Chapter 4,

Speciﬁcations

, lists various electrical and physical

speciﬁcations of the BRIM-F6.

Appendix A,

Basic FDDI Networks

, covers basic concepts of FDDI

networks, FDDI devices, and design/installation considerations.

1.2 Getting Help

If you need additional support related to the BRIM-F6, or if you have any

questions, comments, or suggestions concerning this manual, contact

Cabletron Systems Technical Support:

By phone ..........................(603) 332-9400

Monday-Friday; 8am - 8pm EST

By CompuServe

GO CTRON from any ! prompt

By Internet mail ...............[email protected]

BRIM-F Book Page 2 Monday, January 29, 1996 9:26 AM

BRIM-F6 Overview

BRIM-F6 User’s Guide

Page 1-3

1.3 BRIM-F6 Overview

The BRIM-F6 is an FDDI Bridge Router Interface Module (BRIM)

developed for use in Cabletron’s MMAC-FNB and MicroMMAC. The

BRIM-F6 can be used to provide a high-speed uplink from lower speed

networks such as Ethernet to a 100 Mbps FDDI backbone.

1.4 BRIM-F6 Features

Connectivity

The BRIM-F6 is equipped with slots for FDDI A and B ports. These two

ports allow connection to the ring as a DualAttached Station (DAS) using

two FPIMs or as a Single Attached Station (SAS) using one FPIM.

As a DAS, the MIM or hub that houses the BRIM-F6 connects directly to

the FDDI main ring. This provides the reliability of an FDDI dual,

counter-rotating ring topology. If one segment of the FDDI ring becomes

disabled, this dual ring conﬁguration provides redundancy and restores

ring continuity.

As a SAS, the BRIM-F6 connects to the primary ring only by using a

single FPIM on the BRIM-F6 to attach to the M port of an FDDI

concentrator.

A dual homing conﬁguration provides an additional redundancy feature

for the MIM or hub containing the BRIM-F6. Dual homing is a way of

connecting to an FDDI ring through the Master (M type) ports of two

separate dual attached concentrators. If one M type port or one segment

fails, the redundant port or segment activates automatically to retain

connection to the ring.

For more information regarding DAS, SAS or dual homing

conﬁgurations, refer to Appendix A,

Basic FDDI Networks

Bridging

The BRIM-F6 provides translational bridging between any channels or

ports in its host MIM or hub and the FDDI ring.

BRIM-F Book Page 3 Monday, January 29, 1996 9:26 AM

CHAPTER 1:

INTRODUCTION

Page 1-4

BRIM-F6 User’s Guide

LANVIEW Diagnostic LEDs

The BRIM-F6’s front panel LEDs help you diagnose Bridge, Port, and

Network status.

1.5 Related Documentation

Use the following documentation to supplement the procedures, and other

technical data in this manual. This manual may reference procedures in

these documents, where appropriate, but does not repeat them.

Cabletron Systems’

EMM-E6 Installation Guide

Cabletron Systems’

EMM-E6 Local Management Guide

Cabletron Systems’

ESXMIM Installation Guide

Cabletron Systems’

ESXMIM Local Management Guide

Cabletron Systems’

MicroMMAC User’s Guide

Cabletron Systems’

NBR-620/420/220 Installation Guide

Cabletron Systems’

NBR-620/420/220 Local Management Guide

Cabletron Systems’

Router Services Manuals

The Simple Book, An Introduction to Management of TCP/IP-based

Internets

, Marshall T. Rose, Prentice-Hall, Inc., 1991.

BRIM-F Book Page 4 Monday, January 29, 1996 9:26 AM

BRIM-F6 User’s Guide

Page 2-1

CHAPTER 2

INSTALLATION

This chapter contains instructions for unpacking the BRIM-F6, installing

FPIMs, and installing the BRIM-F6 into Cabletron devices that support

BRIM technology.

Note

: The BRIM-F6 is not shipped with the FPIMs installed. You must

order the correct FDDI Port Interface Modules based upon your network

requirements.

To install the BRIM and FPIMs, you need the following tools:

• 1 disposable wrist strap (provided with any BRIM, MIM or hub)

• 1 Phillips screwdriver.

Caution:

Observe all static precautions while handling modules.

2.1 Unpacking the BRIM and the FPIMs

Unpack the modules as follows:

1. Remove the shipping box material covering the module.

2. Carefullyremovethe modulefromthe shippingbox.Leave the module

in its static-shielding bag until you are ready to install.

3. After removing the module from its static-shielding bag, visually

inspect the device. If you notice any signs of damage, contact

Cabletron Systems Technical Support immediately.

BRIM-F Book Page 1 Monday, January 29, 1996 9:26 AM

CHAPTER 2:

INSTALLATION

Page 2-2

BRIM-F6 User’s Guide

2.2 Installing the FPIMs

To install an FPIM into the BRIM-F6:

1. Remove the screws securing the FPIM coverplate and the coverplate.

See Figure 2-1.

2. Insert the connector pins of the FPIM into the connector on the

BRIM-F6. See Figure 2-2.

Figure 2-1. Removing the FPIM Coverplate

3. Press down firmly on the FPIM until the pins slide all the way into the

connector holes.

4. Secure the FPIM with the screws provided.

BRIM-F6

XMTPWR RCV STS

FPIM A

WRPLNK TWR LNK

RESERVED FOR FPIM

FPIM B

RESERVED FOR FPIM

BRIM-F6

XMTPWR RCV STS

FPIM A

WRPLNK TWR LNK

FPIM B

RESERVED FOR FPIM

FPIM Screws

FPIM Coverplate

BRIM-F Book Page 2 Monday, January 29, 1996 9:26 AM

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