Cabletron Systems DELHF-UA User Manual

DIGITA L FDDI Modul ar Inter face
DELHF-UA User’s Guide

DIGITA L FDDI Modul ar Inter face
DELHF-UA User’s Guide

Part Number:

September 1998

This manual describes how to use the DELHF-UA module.

Revisi on/ Update Info rmation :

9032632

Th is is a new doc ument.

Cabletron Systems res erves the r ight to make changes in speci f ication s a nd 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 be en 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 WHAT SOEVER (INCLUDING BUT
NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR
THE INFORMATION CONT AINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN
ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, T HE POSSIBI LITY OF SUCH
DAMAGES.

 Copyright 1998 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005
All Rights Reserved
Printed in the United States of America

Cablet r on Sy ste ms and LANVIEW are registered trademarks and HPIM and FPIM are trad emarks
of Cablet ron Systems , Inc.

DIGITAL and the DIGITAL lo go are tr adem ar ks of Dig ital Equ ipm e nt Corp orati on .
All other product names mentioned in this manual may be trademarks or regist ered trademar ks of

their respective compan ies.

UNITED STATES GOVERNMENT RESTRICTED RIGHTS

The enclosed product ( a ) w as developed solel y at private expense; (b) contains “r es tricted 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 propri etary data belonging to Ca bletron a nd/or its suppliers .

For Department of Defense units, the produc t i s li censed with “Restricted R ights” 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 03867-0505.

FCC Notice — Class A Computing Device:
This equipment gener ates, uses, and may emit radio frequency energy. The equipment has been type
tested and found to compl y w it h the limits f or a Clas s A digital device pursuant to Part 15 of FCC
rules, which are designed to provide reasonable pr otection ag ainst such radio frequen cy interference.
Operation of this equipment in a residential area may cause interference in which case the user at his
own e xpense will be required to take whatever measures may be req uired to correct the inter ference.
Any modif ic atio ns to thi s de vice - unless e xpr es sly appr ov ed b y the manu fact urer - can v oid the us er's
authority to operate this equipment under part 15 of the FCC rules.

DOC Notice — Class A Computing Device:
This digit al apparatus does not e xceed the Class A limits for radio no ise emissions fro m digital
apparatus set out in the Radio Interference Regulations of the Canadian Department of
Communications.

Le présen t appareil numérique n’émet pas de br uits radi oélectriques dépassant les limi tes applicables
aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par l e ministère des Co mmunications du Canada.

VCCI Notice — Class A Computing Device:

Taiwanese Notice — Class A Computing Device:

CE Notice — Class A Computing Device:
Warning!

This is a Class A product. In a domestic environment, th is product may caus e radio inter ference, in
which case the user may be requ ired to take adequate measures.

Achtung!

Dieses ist ein Gerät der Funkstörgrenzwer tklasse A. In Wohnberei c hen können bei Betrieb di es es
Gerätes Ru ndfunkstörungen auftreten, in we lchen Fällen der Benutzer für entspr echende
Gegenma

Avertissement!
Cet appareil est un appareil de Classe A. Dans un environnement rés identiel cet apparei l peut
provoquer des brouillages radioélectriques. Dans ce cas, il peut être demandé à l'utilisateur de prendre
les mesures appropriées.

nahmen verantwortlich ist.

ß

CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT

IMPORTANT: Before utilizing this product, carefully read this License Agreement.
This do cument is an agreement between you, the end user, and Cabletron Sy s tems, 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 firmwar e, chips or other
media. BY UTILIZING THE ENCLOSED PRODUCT, YOU ARE AGREEING TO BECOME
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THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IF YOU DO NOT
AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE UNUSED
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CABLETRON SOFTWARE PROGRAM LICENSE

1. LICENSE. You ha ve the right to us e only the one (1) copy of the Program provided in this
package subject t o 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
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2. OTHER RESTRICTIONS
Program.

3. APPLICABLE LAW
and in the stat e and feder a l courts of Ne w Ham ps hire. You accept the personal jurisdicti on and
venue of the New Hampshire courts.

. Y ou may not re verse engineer , decompile, or disassemble the

. T his Li cense Agr eemen t sha ll be int erpret ed and gov erned u nde r the l aws

EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY

1. EXCLUSION OF WARRANTY. Except as ma y be s pecifically provided by Cabletron in
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its documen tation and med ia).

CABLETRON DISCLAIMS ALL W ARRANTIES, OT HER THAN THOSE SUPPLIED TO
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. IN NO EVE NT SHALL

SAFETY INFORMATION

CLASS 1 LASER TRANSCEIVERS

THE FAST ETHERNET INTERFACE MODULE, FDDI PORT INTER-

FACE MODULES, AND ATM INTERFACE MODULES USE

CLASS 1 LASER TRANSCEIVERS. READ THE FOLLOWING

SAFETY INFORMATION BEFORE INSTALLING OR OPERATING

THESE ADAPTERS.

The Class 1 laser transceivers use an optical feedback loop to maintain Class 1 operation limits. This
control loo p el imina tes the need for main tenanc e check s or adj ustmen ts. The outp ut is fac tor y set, an d
does not allow any user adjustment. Class 1 laser transceivers comply with the following safety
standards:

• 21 CFR 1040.10 and 1040.11 U.S. Department of Health and Human Services (FDA).

• IEC Publica tio n 825 (Intern a tional Electrotechnica l Commi s sion).

• CENELEC EN 60825 (European Committee for Electrotechnical Standard ization).
When operating within their performance limitations, laser transceiver output meets the Class 1

accessible emissi on limit of all three standards. Class 1 lev els of l a s er radiation are not consi dered
hazardous.

SAFETY INFORMATION

CLASS 1 LASER TRANSCEIVERS

LASER RADIATION AND CONNECTORS

When the connect or is in place, all laser radiation re mains within th e f iber. The maximum amount of
radiant power exiting t he fiber (under nor mal cond it ions) is -12.6 dBm or 55 x 10

Removing the optical connector from the transceiver allows laser radiation to emit directly from the
optical port. The maximum radiance from the optical port (under worst case conditions) is

0.8 W cm

Do not use optical instrumen t s to view the laser output. The use of optical instruments to view
laser output increase s e ye hazard. When vi ew ing the output optical port, power must be
removed from the network adapter.

-2

or 8 x 103 W m2 sr-1.

-6

watts.

DECLARATION OF CONFORMITY

Application of Council Directive(s): 89/336/EEC

73/23/EEC

Manufacturer’s Name: Cabletron Systems, Inc.

Manufac ture r’s Address: 35 Industrial Way

PO Box 5005
Rochester, NH 0386 7

European Representative Name: Mr. J. Solari

European Representative Address: Cabletron Systems Limited

Nexus House, Newbury Business Park
London Road, Newbury
Berkshire RG13 2PZ, England

Conformanc e to Directi v e(s)/Product Standards: EC Directive 89/336/EEC

EC Directive 73/23/EEC
EN 55022
EN 50082-1
EN 60950

Equipment Type/Environment: N etworking Equipment, for use in a

Commercial or Light Industrial
Environm ent.

W e the und ersi gned , here by decla re, un der our sole re spon sibi lity, that the equipment pac kage d
with this notice conforms to the above directives.

Manufacturer Legal Representative in Europe
Mr. Ronald Fotino Mr. J. Solari

___________________________________ ___________________________________

Full Name Full Name
Principal Compliance Engineer Managing Director - E.M.E.A.

___________________________________ ___________________________________

Title Title
Rochester, N H, USA Newbury, Berkshire, England

___________________________________ ___________________________________

Location Location

PREFACE

Using This Guide...........................................................................xi

Structure of This Guide.................................................................xii

Document Con ve ntion s...............................................................xiii

Document Terms.........................................................................xiii

Related Documentation...............................................................xiv

Correspondence....................................... .. ..................................xv

Getting Help.................................................................................xvi

SAFETY

Overview......................................................................................xvii

Safety Require men ts..................................................................xviii

CONTENTS

Purpose of this Guide.......................................................xi

Intended Audie n c e............................................................xi

Documentation Commen ts..............................................xv

World Wide Web..............................................................xv

CHAPTER 1 INTRODUCTION

1.1 Overview......................................................................................1- 1

1.1.1 Features..........................................................................1 -1

1.2 Specifications..............................................................................1-3

CHAPTER 2 INSTALLATION

2.1 Unpacking the DELHF.................................................................2-1

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

2.3 Installing an HSIM.......................................................................2-4

2.3.1 Installing an HSIM in an Interface Module......................2-5

2.3.2 Installing a DELHF-UA in a Standalone Hub.. ... .. .... ... .. ..2-7

CHAPTER 3 LOCAL MANAGEMENT

3.1 Local Management Keyboard Conventions.................................3-2

3.1.1 Selecting Local Management Menu Screen Items.. ... .. ..3-3

3.1.2 Exiting Local Management Screens...............................3-3

3.2 Navigating Local Management Screens... ... .... .. ... .. ... .... . .... .. ... ... .3-4

3.3 The DELHF-UA Setup Screen.....................................................3-4

DELHF-UA User’s Guide vii

Contents

3.4 The DELHF-UA Statistics Screen................................................3-7

3.4.1 DELHF-UA Statistics Screen Fields................................3-8

3.5 The MIB-II Statistics Screen........................................................3-8

3.5.1 MIB-II Interface Statistics Screen Fields.........................3-9

3.6 The Ring Statistics Screen.........................................................3 - 1 0

3.6.1 DELHF-UA FDDI Ring Statistics Screen Fields............3-11

3.7 The Ring Map Configuration Screen..........................................3-17

3.7.1 Ring Map Configuration Screen Fields..........................3-18

3.7.2 Ring Map Configuration Screen Commands............ .. ...3-19

3.7.3 The Node Informatio n Scree n.......................................3 - 2 0

3.7.4 Node Information Screen Fields............ .. .... ... .. ... .... . .... .3-21

3.8 The DELHF-UA Configuration Screen.......................................3-23

3.8.1 DELHF-UA Configuration Screen Fields.......................3-24

3.9 The Full Duplex Configuration Screen.......................................3-25

3.9.1 Full Duplex FDDI...........................................................3-27

3.9.2 Full Duplex Configuration Screen Fields............. .. ... .. ...3-28

3.9.3 Configuring the DELHF-UA for Full Duplex Operation..3-29

3.10The FDDI/Ethernet Translation Configuration Screen... .... .. ... .. .3-29

3.10.1FDDI Translation Configuration Screen Fields.............. 3-30

3.10.2Setting Frame Translation Types..................................3-33

3.10.3Setting the Frame Translation Types to the Default

Values...........................................................................3-33

3.10.4When to Set the Interpret 802.3 Length for Frames > 64

Bytes Field to [ENABLED].............................................3-33

3.10.5Setting the Interpret 802.3 Length Field to [ENABLE D]3-34

CHAPTER 4 LANVIEW LEDS

4.1 Using the LANVIEW LEDs...........................................................4-1

4.2 DELHF-UA LED State Definitions................................................4-4

CHAPTER 5 SPECIFICATIONS

5.1 Fiber Optic Interface....................................................................5-1

5.1.1 Multimode Specificatio n s.................................................5 - 1

5.1.2 Single Mode Specifications........... ... .. ... .. .... . .... . .... .. ... .. ...5-2

5.2 Unshielded Twisted Pair (UTP) Specifications..... .... . .... . .... .. ... .. ...5-4

5.3 Shielded Twisted Pair (STP) Transmitter Specifications....... .... .. .5-5

5.4 Cable Specifica tio n s....................................................................5 - 6

5.4.1 Multimode Fiber Optic Cable Length................ ... .. ... .. .... .5-6

5.4.2 Single Mode Fiber Optic Cable Length................... . .... .. .5-6

5.4.3 Twisted Pair Cable Length.......... .. ... .. ... .. .... ... .. ... .. ... .. .... .5-7

5.5 Twisted Pair Pinout Configuration................................................5-7

viii DELHF-UA User’s Guide

Contents

APPENDIX A FPIM SPECIFICATIONS

A.1 DEL00-UI and DEL01-UI.............................................................A-1

A.2 DEL02-UI and FPIM-04...............................................................A-2

A.3 DEL05-UI and FPIM-07...............................................................A-3

DELHF-UA User’s Guide ix

PREFACE

Welcome to the DIGITAL FDDI Modular Interface DELHF-UA User’s
Guide. This manual provides the following information:

• Describes DELHF-UA features.

• Explains how to install the DELHF-UA in a DIGITAL interface
module or standalone hub.

• Explains how to configure and monitor the DELHF-UA through Local
Management.

• Outlines specifications for the DIGITAL Fiber Distributed Data
Interface (FDDI) Modular Interface module.

USING THIS GUIDE

Purpose of this Guide

Read through this guide completely to understand the interface module
features, capabilities, and Local Management functions. A general
working knowledge of Ethernet and IEEE 802.3 type data communications
networks and their physical layer components is helpful when using these
devices.

Unless noted differently, the information in this guide applies to the
DIGITAL FDDI Modular Interface DELHF-UA module.

In this guide, the DIGITAL FDDI Modular Interface DELHF-UA is
also referred to as either the DELHF-UA or the HSIM.

Intended Audience

This manual is intended for use by personnel who will install and initially
set up the DELHF-UA modular media interface module.

DELHF-UA User’s Guide xi

STRUCTURE OF THIS GUIDE

This manual is organized as follows:
Chapter1,

Introduction,

describes the features of the DELHF-UA

interface module.
Chapter2,

Installation

, explains how to install FPIMs into the
DELHF-UA and how to install the DELHF-UA in an interface module or
hub.

Chapter3,

Local Management

, describes how to access Local
Management and use the Local Management screens to manage the
DELHF-UA interface module.

Chapter4,

LANVIEW LEDs

, details the DELHF-UA LANVIEW LEDs

that enable you to quickly diagnose network/operational problems.
Chapter5,
AppendixA,

Specifications

, lists the DELHF-UA operating specifications.

FPIM Specifications

, describes the FDDI Port Interface

Modules (FPIMs).

xii DELHF-UA User’s Guide

DOCUMENT CONVENTIONS

Throughout this guide, the following symbols are used to call attention to
important information.

symbol. Calls the reader’s attention to any item of

Note

information that may be of special importance.

Caution

damage to the equipment.

symbol. Contains information essential to avoid

!

Electrical Hazard Warning

that could result in the presence of an electrical hazard.

DOCUMENT TERMS

This guide uses the following terms:

Term Definition

DELHF-UA A DIGITAL FDDI High Speed Interface Module (HSIM),

provides connectivity and functionality to various D igital m odules
and standalong hubs through the FDDI technology. Supports two
FDDI Port Interface Modules (FPIMs).

FDDI Fiber Distributed Data Interface, a set of industry standards for

high-speed, fiber-optic ring, local area networks.

symbol. Warns against an action

FPIM FDDI Port Interface Module, provides use of multi-mode fiber,

single mode fiber, unshielded twisted pair, or shielded twisted pair
tranceiver ports.

HSIM High Speed Interface Module, provides additional

connectivity/functionality to various DIGITAL interface modules
and standalone hubs.

DELHF-UA User’s Guide xiii

RELATED DOCUMENTATION

Use the following manuals to supplement the procedures and other
technical data provided in this manual. This manual references procedures
in these manuals, where appropriate, but does not repeat them.

Cabletron Cabling Guide
DIGITAL FDDI Technology Guide
DIGITAL Open DECconnect Structured Wiring System Applications

Guide

The documentation for the device in which the DELHF-UA will be
installed may assist you with the installation and setup of the
DELHF-UA.

The manuals referenced above can be obtained on the World Wide Web in
Adobe Acrobat Portable Document Format (PDF) at the following site:

http://www.networks.digital.com/

xiv DELHF-UA User’s Guide

CORRESPONDENCE

Documentation Comments

If you have comments or suggestions about this manual, send them to
DIGITAL Network Products:

Attn.: Documentation Project Manager
E-MAIL: [email protected]

World Wide Web

To locate product-specific information, refer to the DIGITAL Network
products Home Page on the World Wide Web at the following locations:

North America:
Europe:
Asia Pacific:

http://www.networks.digital.com
http://www.networks.europe.digital.com
http://www.networks.digital.com.au

DELHF-UA User’s Guide xv

GETTING HELP

Contact your DIGITAL representative for technical support. Before
calling, have the following information ready:

• A description of the failure

• A description of any action(s) already taken to resolve the problem

(e.g., changing mode switches, rebooting the unit, etc.)

• The serial and revision numbers of all involved products in the network

• A description of your network environment (layout, cable type, etc.)

• Network load and frame size at the time of trouble (if known)

• The device history (i.e., have you returned the device before, is this a

recurring problem, etc.)

xvi DELHF-UA User’s Guide

SAFETY

OVERVIEW

Any warning or caution that appears in this manual is defined as follows:

WARNING Warns against an action that could result in

equipment damage, personal injury, or death.

VORSICHT Warnt den Benutzer vor Aktionen, die das Gerät

beschädigen, Personen verletzen oder sogar zum
Tot führen könnten.

DANGER Déconseille à l'utilisateur d'exécuter une action

pouvant entraîner des dommages matériels,
corporels voire même la mort.

AVISO Previene contra una acción que podría dañar el

equipo, provocar daños personales o la muerte.

!

CAUTION Contains information essential to avoid damage to

the equipment.

ACHTUNG Liefert wichtige Informationen, um einen

Geräteschaden zu vermeiden.

ATTENTION Informations indispensables permettant d'éviter les

dommages matériels.

PRECAUCIÓN Contiene información esencial para evitar daños al

equipo.

DELHF-UA User’s Guide xvii

SAFETY REQUIREMENTS

The warnings or cautions that must be observed for the hardware
described in this manual are listed below in English, German, French, and
Spanish.

WARNING Only qualified personnel should install or service

this unit.

VORSICHT Diese Einheit darf nur von qualifizierten Fachleuten

installiert oder gewartet werden.

DANGER L'installation et la maintenance de cet appareil sont

réservées à un personnel qualifié.

AVISO Sólo el personal cualificado debe instalar o dar

mantenimiento a esta unidad.

WARNING To install the DELHF-UA in a standalone hub, the

device MUST be powered down.

Ensure that you remove the power cord and ONLY
the screws required to remove the chassis cover.
Failure to comply could result in an electric shock
hazard.

VORSICHT Um den DELHF-UA in einem selbständigen Hub

zu installieren, muß das Gerät ausgeschaltet
werden.

Stellen Sie sicher, daß das Netzkabel gezogen wird
und nur diejenigen Schrauben entfernt werden, die
zum Abnehmen des Gehäuses notwendig sind.
Andernfalls besteht Elektroschockgefahr.

DANGER Pour installer l'appareil DELHF-UA sur un

concentrateur autonome, mettez cet appareil hors
tension.

Pour retirer le couvercle du châssis, vérifiez que
vous avez débranché le cordon d'alimentation et
que vous avez uniquement retiré les vis nécessaires.
Respectez ces consignes de sécurité pour éviter les
risques d'électrocution.

xviii DELHF-UA User’ s Guide

AVISO Para instalar DELHF-UA en un hub autónomo, el

dispositivo SE DEBE apagar.

Asegúrese de retirar el cable de alimentación y
SÓLO los tornillos que se requieren para retirar la
cubierta del chasis. Si no se cumple con estos
requisitos, se podrían provocar electrochoques.

WARNING Ensure that the chassis cover is in place before

reconnecting the power cord.

VORSICHT Das Gehäuse sollte ordnungsgemäß angebracht

sein, bevor das Netzkabel wieder angeschlossen
wird.

DANGER Avant de rebrancher le cordon d'alimentation,

vérifiez que le couvercle du châssis est bien en
place.

AVISO Asegúrese de que la cubierta del chasis esté en su

sitio antes de volver a conectar el cable de
alimentación.

DELHF-UA User’s Guide xix

CAUTION The DELHF-UA, FPIMs, and the host module or

!

ACHTUNG Der DELHF-UA , FPIMs und das Host-Modul bzw.

ATTENTION L'appareil DELHF-UA, les connecteurs FPIM et le

hub are sensitive to static discharges. Use an
antistatic wrist strap and observe all static
precautions during this procedure. Failure to do so
could result in damage to this equipment.

der Hub sind für statische Entladungen
empfindlich. Benutzen Sie deshalb ein
Antistatikarmband, und beachten Sie während
dieses Verfahrens alle diesbezüglichen
Vorsichtsmaßnahmen. Bei Nichtbeachtung könnte
das Gerät beschädigt werden.

concentrateur ou le module hôte sont sensibles à
l'électricité statique. Au cours de cette procédure,
utilisez des bracelets antistatiques et respectez
toutes les précautions relatives à l'électricité
statique. Si vous ne tenez pas compte de ces
conseils, vous risquez d'endommager cet
équipement.

PRECAUCIÓN DELHF-UA, FPIMs y el hub o módulo de host es

sensible a la descarga estática. Utilice una banda
antiestática para la muñeca y observe todas las
precauciones sobre estática durante este
procedimiento. Si no se cumple con estos
requisitos, se puede dañar el equipo.

CAUTION When mating the FPIM connector to the DELHF

pins, take extra care that the pins do not enter the
connector at an angle to avoid damaging both the
FPIM connector and the DELHF pins.

ACHTUNG Beachten Sie, daß der FPIM-Stecker vertikal an den

DELHF-Nadeln ausgerichtet eingesteckt wird.
Wird er schräg eingesteckt, könnten sowohl der
FPIM-Stecker als auch die DELHF-Nadeln
beschädigt werden.

ATTENTION Lorsque vous raccordez le connecteur FPIM aux

broches DELHF, veillez à ne pas les raccorder de
travers pour ne pas endommager le connecteur
FPIM et les broches DELHF.

xx DELHF-UA User’s Guide

PRECAUCIÓN Al acoplar el conector FPIM con las patillas

DELHF, tenga mucho cuidado de que las patillas no
entren en el conector en un ángulo para evitar daños
tanto al conector FPIM, como a las patillas DELHF.

CAUTION The A and B LEDs will sometimes flash red briefly

while performing diagnostics. If they remain red for
several minutes, however, it could indicate a
hardware failure. If the LEDs remain red, contact
your DIGITAL representative.

ACHTUNG Während der Diagnose könnten die LED-Anzeigen

A und B manchmal kurz rot aufleuchten. Wenn sie
aber für mehrere Minuten rot bleiben, könnte dies
auf einen Hardware-Ausfall hinweisen.
Kontaktieren Sie in diesem Fall Ihren
DIGITAL-Vertriebsbeauftragten.

ATTENTION Au cours des diagnostics, il arrive que les voyants

A et B clignotent (en rouge). Si ces voyants restent
de couleur rouge pendant plusieurs minutes, cela
peut signaler un incident matériel. Si cela dure plus
longtemps, contactez le représentant DIGITAL du
support technique.

PRECAUCIÓN Los LEDs A y B a veces parpadearán brevemente

en rojo mientras se realiza el diagnóstico. Sin
embargo, si permanecen rojos durante varios
minutos, podrían indicar una falla en el hardware.
Si los LEDs permanecen rojos, com uníquese con el
representante de DIGITAL.

CAUTION If the DELHF-UA P and S LEDs remain red for

several minutes, the DELHF-UA could have a
hardware problem. Contact your DIGITAL
representative.

ACHTUNG Wenn die LED-Anzeigen P und S des DELHF-UA

für mehrere Minuten rot bleiben, könnte dies auf
einen Hardware-Ausfall beim DELHF-UA
hinweisen. Kontaktieren Sie in diesem Fall Ihren
DIGITAL-Vertriebsbeauftragten.

DELHF-U A User’s Guide xxi

ATTENTION Si les voyants P et S de l'appareil DELHF-UA

restent de couleur rouge pendant plusieurs minutes,
cela peut signifier qu'il y a un problème matériel sur
ce dernier. Contactez le représentant DIGITAL du
support technique.

PRECAUCIÓN Si DELHF-UA P y S LEDs permanecen rojos

durante varios minutos, es posible que DELHF-UA
tenga un problema de hardware. Comuníquese con
el representante de DIGITAL.

xxii DELHF-UA User’s Guide

CHAPTER 1

INTRODUCTION

1.1 OVERVIEW

The DELHF-U A provi des a dditi onal conne ctivit y/func tional ity t o various
DIGITAL interface modules and standalone hubs through the use of
FDDI technology. In addition to having a general working knowledge of
Ethernet and IEEE 802.3 type data communications networ ks and their
physical layer compon ents, you should also understand FDDI net wor ks
and the ANSI X3T9.5 standard prior to instal ling the DELHF-UA.

The DELHF-UA, shown in Figure 1-1, uses two FPIM (FDDI Port
Interface Module) slots to provide the option of using multimode fiber
optic, single mode f ibe r optic, unshie lded twi sted pai r , or shi elded twiste d
pair transceiver ports based on the network requirements.

DELHF-UA

AB

AB

Figure 1-1 The DELHF-UA

A
P

A

P

DELHF-UA

B

B

S

S

209100

209100

The DELHF-UA extends the func tiona lity of certain DIGITAL interface
modules or standalone hubs to include high-speed uplink capability. The
DELHF-UA allows remote connec tivity using FDDI technology.

1.1.1 Features

Connectivity

The DELHF-UA is equippe d with slots for FDDI A and B ports. These
two ports allow connection to the ring as a Dual Attached Station (D AS)
using two FPIMs or as a Single Attached Station (SAS) using one FPIM.

DELHF-UA User’s Guide 1-1

Chapter 1: Introduction

As a DAS, the module or standalone hub that house s the DELHF-UA
connects directly to the FDDI primary ring. This provides the r eliability
of an FDDI dual, counter-rotating ring topology. If one segm ent of the
FDDI ring becomes disabled, this dual ring configuration provides
redundancy and res tores ring continuity.

As a SAS, the DELHF-UA connects to the primary ring only by using a
single FPIM on the DELHF-UA to at tach to the M port of an FDDI
concentrator.

The DELHF-U A also s upports dual hom ing. A dual ho ming conf igur ation
provides additional redundanc y for the module or hub containing the
DELHF-UA. Dual homing is a way of connecting to an FDDI ring
through the Master (M type) ports of two se parate dual attached
concentrators. If one M type port or one segment fails, the redunda nt port
or segment activates automatically to retain connection to the ring.

The DELHF-UA is also capa ble of operating in full duplex mode, which
creates a point-to-point link between two FDDI devices. This allows for a
data rate of 200 Mbps, with each devic e transmitting and receiving at
100 Mbps simultaneously. Chapter 3, Loc al M ana gement, pr ovide s
instructions on configuring the DELHF-UA to operate in ful l duplex
mode.

Bridging

The DELHF-UA provides transl ational bridg ing be tween any channe ls or
ports in its host module or hub and the FDDI ring.

LANVIEW Diagnostic LEDs

DIGITAL provides a visual diagnostic and monitor ing system called
LANVIEW from Cablet ron Systems. The DELHF-UA LANVIEW LEDs
help you quickly identify tr ansmit/receive, lin k, an d FDDI ring status.
Chapter 4, LANVIEW LEDs, provide s information on all DELHF-UA
LEDs.

1-2 DELHF-UA User’s Guide

Specifications

1.2 SPECIFICATIONS

This section descr ibes en vironment spec ificati ons and safety req uirements
for the DELHF-UA. Cabletron Systems r eserves the right to change these
specifications at any time without notice.

Env ironment

Operating Temperature: 5°C to 40°C (41°F to 104°F)
Storag e Temperature: -30°C to 73°C (-22°F to 164°F)
Operat i ng R elative H umidity: 5% to 90% (non-condensing)

Regulatory Compliance

Certification: CE, CSA, C-TICK, FCC, TUV,

UL, VCCI

Safety Requirements: UL 1950, CSA C22.2 No. 950,

EN 60950, IEC 950, a nd
73/23/EEC

Electromagnetic
Compatibility (EMC) Requirements: FCC Part 15, VCCI Class A,

EN 55022, CSA C108.8,
EN 50082-1, 89/336/EEC
AS/NZS 3548

DELHF-U A User’s Guide 1-3

CHAPTER 2

INSTALLATION

This chapter contains instructi ons for the following items:

• Unpacking the DELHF (Section 2.1)

• Installing FPIMs (Section 2.2)

• Installing a DELHF (Section 2.3)

To install the DELHF and FPIMs, you need the following items:

• Antistatic wrist strap (provided with the MultiSwitch 700 chassis or

standalone hub)

• Phillips screwdriver

The DELHF-UA and the host module or hub are sensitive to

!

static discharges. Use a grounding strap and observe all static
precautions during this procedure. Failure to do so could result
in damage to the DELHF-UA, host module or hub.

2.1 UNPACKING THE DELHF

Unpack the DELHF-UA as follows:

1. Remove the shipping box material covering the DELHF-UA.

2. Carefully remove the module from the shipping box. Leave the

module in its non-conducti ve bag until you are ready to install it.

3. Attach the antistatic wrist strap. If the HSIM is to be installed in a

standalone hub, refer to the instructions on the antistatic wrist strap
package. If the HSIM is t o be inst alle d in an in terfa ce module, refer to
the applicable interfa ce module User’s Guide.

4. After removing the module from its non-conductive bag, visually

inspect the device. I f you noti ce any signs of damage, contact your
DIGITAL representative .

DELHF-UA User’s Guide 2-1

Chapter 2: Installation

2.2 INSTALLING FPIMs

Only qualified personnel should install or service th is unit.

The DELHF-UA and FPIMs are sensitive t o static discharges.

!

To install an FPIM into the DELHF-UA, perform the following steps:

1. Attach the antistatic wrist strap. If the HSIM is to be installed in a

standalone hub, refer to the instructions on the antistatic wrist strap
package. If the HSIM is t o be inst alle d in an in terfa ce module, refer to
the applicable interfa ce module User’s Guide.

Use a grounding strap and observ e all static precautions during
this procedure. Fai lure to do so could result in damage to the
DELHF-UA or the FPIMs.

2. Refer to Figure 2-1 and remove the two screws from the standoffs. The

two screws secure the FPIM coverplate . S ave the screws and remove
the FPIM coverplate.

3. Refer to Figure 2-2 and remove the three fac epl ate screws attaching

the faceplate to the DELHF-UA. Save the screws.

When mating the FPIM connector to the DELHF-UA pins, take

!

4. Press the FPIM connector into the HSIM pins.

extra care that the pins do not enter the connector at an angle
to avoid damaging both the FPIM connector and the
DELHF-UA pins.

2-2 DELHF-UA User’s Guide

FPIM

Coverplate

HSIM Standoffs

Installing FPIMs

Standoff Screws

Figure 2-1 Removing the FPIM Coverplate

DELHF-U A User’s Guide 2-3

Chapter 2: Installation

FPIM Screws

FPIM Connector

A

HSIM

FPIM Connector Pins

B

HSIM

Faceplate Screws

DELHF-UA

A

P

B

S

Standoffs

209134

Figure 2-2 Installing FPIMs

5. Press down firmly on t he FPIM unt il t he pins slid e all the way i nto t he

HSIM connector.

6. Secure the FPIM with the screws saved in step 2.

7. Secure the faceplate of the HSIM with the screws saved in step 3.

2.3 INSTALLING AN HSIM

Only qualified personnel should install or service th is unit.

You can install an HSIM in any DIGITAL device that supports HSIM
technology (e.g., the MultiSwitch 700, DLE32-MA). Refer to the release
notes for the version of firmware running on the DIGITAL device to
ensure that the DELHF-UA is supported . The following subsections

2-4 DELHF-UA User’s Guide

Install in g an HSI M

provide generic instructions for installing a DELHF-UA in an interface
module or in a stand alone hub. Refer to your spe cific interface module or
standalone hub documenta tion for exact HSIM slot and connector
locations.

2.3.1 Installing an HSIM in an Interface Module

The DELHF-UA and the host module or standalone hub are

!

To install a DELHF-UA in an interface module that suppor ts HSIM
technology perform the fol lowing steps.

sensitive to static discharges. Use an antistatic wrist strap and
observe all static precautions during this procedure. Failure to
do so could result in damage to the DELHF-UA, the host
module or standalone hub.

1. Note the ports of the interface module that have cables attached to

them. Then disconnect those cable s from the ports.

2. Attach the antistati c wrist strap (r efer to the instruc tions outline d in the

interfa ce module User’s Guide).

3. Unlock the top and bottom plastic locking tabs of the module

faceplate.

4. Slide out the module, and place it on its side with the internal

components facing up.

5. Refer to Figure 2-3 and remove the two faceplate mounting screws and

the HSIM coverplate. Save the screws.

6. Refer to Figure 2-3 and remove the two sta ndoff screws. Save the

screws.

DELHF-U A User’s Guide 2-5

Chapter 2: Installation

Coverplate

Standoff Screws

Faceplate Mounting

Screws

209135

Figure 2-3 Removing the HSIM Coverplate

7. Refer to Figure 2-4 and place the HSIM behind the module faceplate.

8. Align the DELHF connector of the DELHF-UA into the HSIM pins on

the module.

9. Press down firmly on the back of the HSIM until the pins slide all the

way into the HSIM Connector.

Ensure that the standoffs on the interf ace module align with the
standoff screw holes on the HSIM.

2-6 DELHF-UA User’s Guide

Install in g an HSI M

10. Secure the DELHF-UA to the module face plate using the mounting

screws saved in step 5.

11. Secure the DELHF-UA to the module standoffs using the standoff

screws saved in step 6.

12. Reinstall the module in the chassis.

13. Reattach the network cabling to the module.

Refer to Chapter 4 for instructions on configuring the DELHF-UA using
Local Management.

Standoff Screws

HSIM

A

Faceplate Mounting Screws

HSIM Connector

B

A

B

P

S

225705

Pins

Standoffs

2.3.2 Installing a DELHF-UA in a Standalone Hub

To install a DELHF-UA into a standalone hub, perform the following
steps:

DELHF-U A User’s Guide 2-7

Figure 2-4 Installing the DELHF-UA

Chapter 2: Installation

1. Power down the hub and remove the power cord.

2. Note the ports that have cables attached to them. Then discon nect

those cables from the ports.

To install the DELHF-UA in a standalone hub the device MUST
be powered down.

Ensure that you remove the power cord and ONLY the screws
required to remove the chassis cov er. Failure to comply could
result in an electric shock hazard.

3. Attach the antistatic wrist strap (refer to the instructions outlined on

the antistatic wrist strap package).

4. Remove the hub chassis cover (refer to your specific hub

documentation for instructions on removing the hub chassis cover).

5. Refer to Figure 2-3 and remove the two faceplate mounting screws and

the DELHF coverplate. Save the screws.

6. Refer to Figure 2-3 and remove the two sta ndoff screws. Save the

screws.

7. Place the DELHF-UA behind the hub faceplate.

8. Align the DELHF-UA connector of the DELHF-UA with the pi ns on

the hub.

9. Press down firmly on the back of the DELHF-UA until the pins slide

all the way into the DELHF-UA connector holes.

Ensure that the standoffs on the hub align with the standoff
screw holes on the DELHF-UA.

10. Secure the DELHF-UA to the module face plate using the mounting

screws saved in step 5.

11. Secure the DELHF-UA to the module standoffs using the standoff

screws saved in step 6.

2-8 DELHF-UA User’s Guide

Install in g an HSI M

Ensure that the chassis cover is in place before reconnecting
the power cor d.

12. Reattach the chassis cover to the hub, reconnect the power cord, and

reconnect the hub to the network.

Refer to Chapter 3 for instructions on configuring the DELHF-UA using
Local Management.

DELHF-U A User’s Guide 2-9

CHAPTER 3

LOCAL MANAGEMENT

This chapter provides instr uctions on configuring the DELHF-UA to
operate in f ull duplex FDDI mode, viewing DELHF -UA FDDI statistics,
translating specific FDDI frame types to specifi c Ether net frame types
and to viewing the FDDI r ing topology using Local Management.

When installed, the DELHF-UA provides additional Local
Managemen t features. These features are accessed by
entering Local Managem ent of the host interface module or
standalone hub. Refer to the host device User’s Guide to
establish a Local Management connection.

Make sure that the following requirements have been met before
configuring the DELHF-UA through Local Management:

• At least one FPIM is installed in the DELHF-UA.

• The DELHF-UA i s insta lled i n the ho st interface module or standalone
hub.

• The device is up and running.

• A Local Management terminal is properly configured and connected
to the host interface module or standalone hub in whic h the
DELHF-UA resides.

If the DELHF-UA is being configured to operate in full duplex
mode, two FPIMs must be installed before proceeding.

To view DELHF-UA FDDI statistics and ring topology, the
DELHF-UA must be connected to the FDDI ring.

DELHF-UA User’s Guide 3-1

Chapter 3: Local Management

3.1 LOCAL MANAGEMENT KEYBOARD
CONVENTIONS

All key names appear in this manual as capita l let ters. For example, the
Enter key ap pears as ENTER and the Backspace key appears as
BACKSPACE. Table 3-1 explains the keyboard conventions used in this
manual as well as the key functions.

Table 3-1 Keyboard Conventions

Key Function

ENTER Key and RETURN Key

SPACE Bar and BACKSPACE Key

Arrow Keys These are navigation keys. Use the

These are selection keys that perform the
same Loca l Management function. For
example, “Pr ess EN TER ” mea ns tha t yo u
can press either ENTER or RETURN,
unless this manual specifically instructs
you othe rwise.

These ke ys cycl e through select ions in
some Loca l Management fields. Use the
SPACE bar to cycle forward through
select io ns a nd use B ACKSPACE to cycle
backward through selecti ons.

UP-ARROW, DOWN-ARROW,
LEFT-ARROW, and RIGHT-ARROW
keys to mo ve the screen cursor. For
example, “Use the arrow keys” means to
press whichever arrow key mov es the
cursor to the desired field on the Local
Management screen.

3-2 DELHF-UA User’s Guide

Local Management Keyboard Conventions

3.1.1 Selecting Local Management Menu Screen Items

Select items on a menu screen by performing the following steps:

1. Use the arrow keys to highlight a menu item.

2. Press ENTER. The selected menu item displays on the screen.

3.1.2 Exiting Local Management Screens

Exit Local Management using the methods described below:

Using the EXIT Command

To exit an LM screen using the EXIT command, proceed as follows:

1. Use the arrow keys to highlight the EXIT command at the bottom of

the Local Man a ge me n t Screen .

2. Press ENTER. The Password screen displays and the session ends.

Using the RETURN Command

1. Use the arrow keys to highli ght the RETURN command at the b ottom

of the Local Management screen.

2. Press ENTER. The previous screen in th e Loca l Manag em en t

hierarchy displays.

The user can also exit Local Management screens by pressing
ESC twice. This exit method does not warn about unsaved
changes and all unsaved changes will be lost.

3. Exit from Local Manag ement by repea ting st eps 1 and 2 until t he Main

Menu screen displays.

4. Use the arrow keys to highli ght the RETURN command at the b ottom

of the Main M enu screen.

5. Press ENTER. The Password screen displays and the session ends.

DELHF-U A User’s Guide 3-3

Chapter 3: Local Management

3.2 NAVIGATING LOCAL MANAGEMENT SCREENS

The DELHF-UA Local Management application co nsists of a series of
menu screens. Navigate thro ugh Local Manag ement by selecting items
from the menu screens. Figure 3-1 shows the hierarchy of the
DELHF-UA Local Management screens.

MIB-II Statistics
Ring Statistics

(Standalone Hub View)

High Speed
Configuration

DELHF-UA

DELHF-UA Statistics

(Interface Module View)

Figure 3-1 DELHF-UA Local Management Hierarchy

High Speed
Configuration

DELHF-UA

Ring Map Configuration
HSIM-F6 Configuration
Full Duplex Configuration
FDDI/Ethernet Translation Configuration

Ring Map Node

3.3 THE DELHF-UA SETUP SCREEN

To acces s the DELHF-UA Setup screen in a standalone hub (e.g.,
DLM42-MA), navigate through the Local Manag ement screens until the
High Speed Configuration screen displays. Select DELHF from the High
Speed Configuration screen a nd press ENTER. The DELHF-UA Setup
screen displays. See Figure 3-2.

To acces s the DELHF-UA Setup screen from an interface module (e.g. ,
DLE32-MA), navigate through the Local Management screens until the
Module Specific Configura tion Menu screen displays. Select HIGH
SPEED CONFIGURATION from the Module Specific Configura tion
Menu screen and press ENTER. The DELHF-UA Setup screen displays .
See Figure 3-2.

3-4 DELHF-UA User’s Guide

The DELH F -U A Set u p Sc re en

Device Name: DLE32-MA Flash Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

DELHF-UA

DELHF-UA Statistics
Ring Map Configuration
DELHF-UA Configuration
Full Duplex Configuration
FDDI/Ethernet Translation Configuration

EXIT RETURN

209109

Figure 3-2 The DELHF-UA Setup Screen

The DELHF-UA Setup screen displays five menu ite ms for acce ssing
Local Management scree ns that allow further c onfiguring a nd monitor ing
of the DELHF-UA and the FDDI ring. The following list e xplains ea ch of
the DELHF-UA Setup screen menu items:

DELHF-UA Statistics

Select this menu item to display the DELHF-UA Statistics screen. This
screen allows the user to open scree ns tha t display the current
DELHF-UA FDDI Ring operationa l status and MIB-II interf ace statistics.

Ring Map Configuration

Select this menu item to displa y the Ring Map Configuration scree n. The
Ring Map Configuration screen contains configuration and connection
information and displays the topology of the FDDI ring to which the
DELHF-UA is connected. The Ring Map Configuration screen also
provides information on all nodes attached to the FDDI ring.

DELHF-U A User’s Guide 3-5

Chapter 3: Local Management

DELHF-UA Configuration

Select this menu item to display the DELHF-UA Configuration screen.
This screen allows the user to view the opera ting require ments that the
DELHF-UA advertises to all other stations when it first enters the FDDI
ring and to set the interval that the DELHF-UA sends Neighbor
Information Frames (NIFs ).

Full Duplex Configuration

Select this menu i tem to d isplay the Full Duple x Configur atio n scr een. Thi s
screen allows the user to configure the DELHF-UA to operate in full
duplex mode.

FDDI/Ethernet Translation Configuration

Select this menu item to display the FDDI/Ethernet Translation
Configuration sc reen. This screen allows the user to assign specific FDDI
to Ethernet frame transla tions.

3-6 DELHF-UA User’s Guide

The DELHF-U A Statistics Screen

3.4 THE DELHF-UA STATISTICS SCREEN

To acces s the DELHF-UA Statistics screen from the DELHF-UA Setup
screen, perform the following steps:

1. Use the arrow keys to highlight the DELHF-UA Statistics menu item

on the DELHF-UA Setup screen.

2. Press ENTER. The DELHF-UA Statis tics scre en, Figure 3-3, di splays.

Device Name: DLE32-MA Flash Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

DELHF-UA Statistics

MIB-II STATISTICS
RING STATISTICS

EXIT RETURN

209149

Figure 3-3 The DELHF-UA Statistics Screen

DELHF-U A User’s Guide 3-7

Chapter 3: Local Management

3.4.1 DELHF-UA Statistics Screen Fields

The DELHF-UA Statistics screen al lows the user to open screens that
display the current DELHF-UA opera tional status.

The definitions for the DELHF-UA Statistics screen menu items are as
follows:

MIB-II STATISTICS

When selected, this menu item opens the MIB-II Interface Statistic s
screen.

RING STATISTICS

When selected, this menu item opens the Ring Statistics screen.

3.5 THE MIB-II STATISTICS SCREEN

T o view the MIB-II interface statisti cs, use the arrow ke ys to highligh t the

MIB-II STA TISTICS

menu item on the DELHF-UA Statistics screen
and press ENTER. The MIB-II Interface Statistics screen, Figure 3-4,
displays.

Device Name: DEL32-MA Flash Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

DELHF-UA STATISTICS
MIB-II INTERFACE

IN OCTETS:

IN UNICAST PKTS:

IN NONUCAST PKTS:

IN DISCARDS:

IN ERRORS:

OUT OCTETS:

OUT UNICAST PKTS:

OUT NONUCAST PKTS:

OUT DISCARDS:

OUT ERRORS:

106191454

643007
201452

0
5

967271

6626

38

0
0

Figure 3-4 The MIB-II Interface Statistics Screen

3-8 DELHF-UA User’s Guide

CLEAR COUNTERS

EXIT RETURN

209144

The MIB-II S tatistics Screen

3.5.1 MIB-II Interface Statistics Screen Fields

The following list describes the MIB-II Statistics screen fiel ds:

IN OCTETS

This field displays the number of octets (bytes) receive d by the
DELHF-UA.

IN UNICAST PKTS

This field displays the number of unicast packets (packets de stined for
one speci fi c add res s) received by the DELHF-UA.

IN NONUCAST PKTS

This field displays the number of non-unicast packets (mul ticast and
broadcast packets : packets destined for more than one address) received
by the DELHF-UA.

IN DISCARDS

This field displays the total number of packets discarde d by the
DELHF-UA due to lack of available resources.

IN ERRORS

This field displa ys the tota l number of e rrors (of any type) r eceived by the
DELHF-UA.

OUT OCTETS

This field displays the number of octets (bytes) transmi tted by the
DELHF-UA.

OUT UNICAST PKTS

This field displays the number of unicast packets (packets de stined for
one specific address) tr ansmitted by the DELHF-UA.

OUT NONUCAST PKTS

This field displays the number of non-unicast packets (mul ticast and
broadcast packets : packets destined for more than one address)
transmitted by the DELHF-UA.

OUT DISCARDS

This field displays the total number of packets discarde d by the
DELHF-UA due to a lack of a vailable resources.

DELHF-U A User’s Guide 3-9

Chapter 3: Local Management

OUT ERRORS

This field displays the total number of errors (o f any type ) transmitted by
the DELHF-UA.

CLEAR COUNTERS

The Clear Counters command resets all counters within the MIB-II
Statistics scr een to zero. To reset all the counters use the arrow keys to
highlight the

CLEAR COUNTERS

field and press ENTER. The

counters are now reset to zero.

3.6 THE RING STATISTICS SCREEN

To view the Ring statistics, use the arrow keys to highlight the

STATISTICS

menu item on the DELHF-UA Statistics screen and press

RING

ENTER. The DELHF-UA FDDI Ring Statistics screen, Figure 3-5,
displays.

3-10 DELHF-UA User’s Guide

The Ring Statistics Screen

Device Name: DEL32-MA Flash Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

DELHF-UA FDDI Ring Statistics

RING STATE RING-OP
RING-OP COUNT 1
MAC CONFIGURATION THROUGH-A

Tneg 6

Tnotify 30
MASTER PORT COUNT 0

EXIT RETURN

209108

Figure 3-5 The DELHF-UA FDDI Ri ng Statistics Scree n

3.6.1 DELHF-UA FDDI Ring Statistics Screen Fields

The DELHF-UA FDDI Ring Statistics screen allows the user to monitor
the current DELHF-UA operational status.

The following list descr ibes the Ring Statistics screen fields:

RING STATE

Displays the c urrent ring state. The possible ring states are as follows:

•Ring-Op -

•Isolated-

•Non-Op-

The ring is functioning corr ectly.
The DELHF-UA is not attached to the ring.
The DELHF-UA is attempting to enter the ring.

DELHF-U A User’s Guide 3-11

Chapter 3: Local Management

•Detect-

•Non-Op-Dup-

•Ring-Op-Dup-

• Directed -

•Trace-

The claim (beacon) process of the FDDI rin g
protocol has exceed ed one second. The re may be a
problem.

The ring failed to complete the c laim (beacon)
process. This usually indicates a duplicate FDDI
address.

The ring is operational, but a duplicate FDDI
address may be present somewhere on the network.

The claim (beacon) process did not co mplete
within ten seconds. The DELHF-UA is sending
directed beacons to indi cate a problem.

A problem has be en detecte d wit h the DELHF- UA
or the nearest active upst ream neighbor (NAUN).
A trace is being sent to notify the nearest active
upstream neighbor of the proble m.

RING-OP COUNT

The Ring-Op Count keeps tr ack of the number of times the FDDI ring has
initialized since the last time the DELHF-UA (or host device in which it
resides) was reset. If this number grows steadily over a brief period of
time, it signifies the ring is unstable.

3-12 DELHF-UA User’s Guide

The Ring Statistics Screen

MAC CONFIGURATION

The MAC Configuration field describes the current configuration of the
Media Access Control (MAC) and physical layers of the A and B ports.
The possible port configurations are as follows:

• Through-A -

The flow of the pri mary ring is entering the MAC from
port A (pr imary ring in ) and exiti ng th rough port B (primary ring o ut).
The secondary ring is isola ted from the MAC with the flow entering
from port B (secondary ring in) and exiting through port A (secondary
ring out). In a normal ring state the DELHF-UA MAC Configuration
should read “Through -A”.

DELHF-U A User’s Guide 3-13

Chapter 3: Local Management

Primary
In

Secondary
Out

Figure 3-6 Example of Through-A MAC Configuration

•Wrap-A-

The flow of the primary ring is entering through port A

MAC

Primary
Out

Port BPort A

Secondary
In

(primary in) and is wrapped by the MAC, causing the rin g to exit
through port A (s econdary out). Port B is disconnected from the ring.
If the DELHF-UA MAC Configuration reads “Wrap-A” the ring has
lost the redundancy of the secondary ring due to the wrapped
condition. This con figuration should be repaired, as additional
problems could isola te stations from the FDDI ring.

Primary
In

Secondary
Out

Figure 3-7 Example of Wrap-A MAC Configuration

•Wrap-B-

The flow of the primary ring is entering through port B

MAC

Primary
Out

Port BPort A

Secondary
In

(secondary in) and is wrapped by the MAC, causing the r ing to exit

3-14 DELHF-UA User’s Guide

The Ring Statistics Screen

through port B (primary out). Po rt A is disconnected from the ring. If
the DELHF-UA MAC Configuration reads “Wrap-B” the ring has
lost the redundancy of the secondary ring due to the wrapped
condition. This con figuration should be repaired, as additional
problems could isola te stations from the FDDI ring.

Primary
In

Secondary
Out

Figure 3-8 Example of Wrap-B MAC Configuration

•Isolated-

Both port A and port B are isolated from the ring.

MAC

Primary
Out

Port BPort A

Secondary
In

DELHF-U A User’s Guide 3-15

Chapter 3: Local Management

Primary
In

Secondary
Out

Figure 3-9 Example of Isolated MAC Configuration

•Wrap-AB-

The flow of the primary ring is entering through port A

MAC

Primary
Out

Port BPort A

Secondary
In

(primary in) and is wrapped by the MAC, causing the rin g to exit
through port A (secondar y out). The MAC has also wrapped port B,
causing the flow of the ring t o ente r through port B (seconda ry in ) and
exit through port B (primary out). The DELHF-UA MAC
Configuration can read “Wra p-AB” if the DELHF-UA is in a dual
homed configuration.

Primary
In

MAC

Secondary
Out

Figure 3-10 Example of Wrap-AB MAC Configuration

Primary
Out

Port BPort A

Secondary
In

3-16 DELHF-UA User’s Guide

The Ring Map Configuration Screen

Tneg (Time Negotiated)

The Tneg field displays the negotiated token rotation time (in
milliseconds) that the devices on the ring establishe d through the token
claiming process.

Tnotify

The Tnotify field displays the inte rval (in seconds) at which the
DELHF-UA transmits Neighbor Information Frames (NIFs). The
DELHF-UA uses NIFs to periodically announce its address and basic
station description.

MASTER PORT COUNT

The Master Port Count field displays the number of available M type
ports.

3.7 THE RING MAP CONFIGURATION SCREEN

The Ring Map Configuration screen displays FDDI formatted addresses
of ring stations in a graphic illustration of the FDDI ring topology, and
provides access to a Node Information screen for each device loc ated on
the ring.

T o access the Ring Map Configuration screen from the DELHF-UA Setup
screen, perform the following steps:

Use the arrow keys to highlight the

1.

Ring Map Configuration

item on the DELHF-UA Setup screen.
Press ENTER. The Ring Map Configuration screen, Figure 3-11,

2.

displays.

menu

DELHF-U A User’s Guide 3-17

Chapter 3: Local Management

Device Name: DLE32-MA Flash Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

Ring Map Configuration

FDDI Address: 00:00: B8: 08: F9: C4 MAC Count: 3
Current Ring Map: Primary Address Mode: [MAC]

00: 00: B8: 08: F9: C4 (DAS) <<<<<<<<<<<<<<<<<<<< (DAS) 00: 00: B8: 08: DB: 11
00: 00: B8: 08: F9: FA (DAC) >>>>>>>>>>>>>>>>>>>>

SCROLL DOWN 1 SCROLL UP 1 EXIT RETURN

209141

Figure 3-11 The Ring Map Configuration Screen

Under some conditions the display must remain on the screen
for at least 30 seconds to accurately reflect ring configuration.
A neighbor time-out can take as long as 228 seconds to update
on the ring map.

3.7.1 Ring Map Configuration Screen Fields

The Ring Map Configuration screen displays the addresses and sequence
of each FDDI de vice attac hed to the r ing. When fi rst di splaye d, the stat ion
at the upper left corner of the ring is this station (DELHF-UA). The Ring
Map Configuration screen displays node class, node address, and twiste d
and/or wrapped conditions (T for twisted and/or W for wrapped) in
parentheses. The following list provide s the node class possibiliti es:

NAS -

an FDDI Ring.

(Null Attached Station) Isolated station; station not connected to

DAS -

(Dual Attached Station) Station does not support M (Master)

ports, but does connect directly to an FDDI primary and secondary ring
using A and B ports.

3-18 DELHF-UA User’s Guide

The Ring Map Configuration Screen

DAC -

(Dual Attached Concentr ator) Station that supports M (Master)
ports and provides access fo r multiple stati ons. A DAC connects directly
to an FDDI ring using A and B ports.

SAS -

(Single Attached Station) Station tha t acc esses the primary ring

only, via a concentrator.

SAC -

(Single Attached Conce ntrator) Station that accesses the primary
ring only and provides access fo r multiple Single Atta ched Stations
(SAS). Single Attached Concentrators provide the same serv ices as
DACs, but without the redundancy of the dual ring topology.

While Local Manage men t updates the ring map, for exampl e,
during a ring topology change, the screen displays
??-??-??-??-??-?? to illustrate an undetermined address. You
cannot use the scroll commands until Local Management
finishes rebuilding the map.

The Ring Map display stops at the first oc currence of an
undetermined address, and does not display any known
information beyond this point.

3.7.2 Ring Map Configuration Screen Commands

The following list describes each of the Ring Map Configuration screen
commands:

Address Mode [ ]

The Address Mode command all ows th e user to swi tch betwe en canoni cal
and MAC format addresses. To toggle between the two address modes,
press the SPACE bar.

DELHF-U A User’s Guide 3-19

Chapter 3: Local Management

SCROLL DOWN n

The Scroll Down n command rotates the ring displ ay, so that the station
addresses shift around the ring in a clockwise dire ction. The n controls t he
number of shifts downstream of the DELHF-UA.

SCROLL UP n

The Scroll Up n command rotates the ring display, so that the station
addresses shift aro und the ring in a counterclockwise direc tion. The n
controls the number of shifts upstream of the DELHF-UA.

When the ring map contain s only one station, the

SCROLL UP

appear.

n

and

SCROLL DOWN

n

commands do not

3.7.2.1 Adjusting the Scroll Number (n)

When using the

allows the user to control the number of shifts made with each

n

SCROLL DOWN n

SCROLL UP n

or

commands, the

command execution.
To set the number (n) of scrolls, perform the following steps:

1.

Using the ARROW keys, highlight the

SCROLL UP n

2.

Press the SHIFT and + keys (to i ncrement) or the SHIFT and - keys ( to

command.

SCROLL DOWN n

decrement) until the number of shifts desired displays.

3.

Press ENTER. The ring map scrolls n number of shifts.

The scroll number remains the same until it is changed
manually, or the Local Management session is termi nate d.

3.7.3 The Node Information Screen

or

The Ring Map Node Information screen provide s in fo rm at ion fo r each
selected node on the Ring Map Configuration screen.

The Ring Map Node Information screen reflects node status at
the time the node was selected. The Node Information screen
does not change dynamically with networ k topology changes.

3-20 DELHF-UA User’s Guide

The Ring Map Configuration Screen

To access the Node Information screen from the Ring Map Configuration
screen, use the arrow keys to highlight any node (FDDI address)
illustrated on the ring, and press ENTER. The Node Information screen,
Figure 3-12, displays.

Device Name: DLE32-MA Flash Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

Ring Map NODE

Selected Node

Address:
Upstream Address:
Node Class:
MAC Count:
Non-Master Count:
Master Count:
Peer Wrap:
Unattached Conc:
Twisted A-A:
Twisted B-B:
Synchronous Service:
Rooted:

00: 00: B8: 08: DB: 11
00: 00: B8: 08: F9: FA
DAS
1
2
0
NO
NO
NO
NO
NO
YES

EXIT RETURN

209142

Figure 3-12 The Ring Map Node Information Screen

3.7.4 Node Information Screen Fields

The following list describes each of the Node Information screen fields:

DELHF-U A User’s Guide 3-21

Chapter 3: Local Management

Address

Displays the address of the sele ct ed node.

Upstream Address

Displays the a ddress of the selected node’s nearest active upstream
neighbor (NAUN).

Node Class

Displays the clas s (NAS, DAS, DAC, SAS, or SAC) of the selected node.
For an explanation of these cla ss codes, refer to Section 3.7.1.

MAC Count

Displays the number of MACs (Media Access Control le rs) that are
physically housed in the sel ected node.

Non-Master Count

Displays the number of A and B ports on the selected node.

Master Count

Displays the number of M ports controlle d by the sele cted node.

Peer Wrap

Indicates whet her a wrap condition exists on a port. A peer wrap does not
occur when the A or B port is attached to an M port.

Unat t a ched Con c (DAC Only )

Indicates whether the selected node has no active A or B port.

Tw iste d A-A

Indicates whether the A port is connected to another A port.

Tw iste d B -B

Indicates whether the B port is connected to another B port.

3-22 DELHF-UA User’s Guide

The DELHF-UA Configuration Screen

Synchronous Service

Indicates whether the selected node uses synchronous bandwidth, which
guarantees a certain percentage of the total FDDI bandwidth for real-time
applications.

Rooted

Indicates whether the selected node has an active A or B port when one,
and only one, end of the fiber link connects to an M port.

3.8 THE DELHF-UA CONFIGURATION SCREEN

To acces s the DELHF-UA Configuration screen from the DELHF-UA
Setup screen, use the arrow keys to highlight the

Configuration

menu item and press ENTER. The DELHF-UA

Configuration sc reen, Figure 3-13, displays.

DELHF-UA

DELHF-U A User’s Guide 3-23

Chapter 3: Local Management

Device Name: DLE32-MA Flash
Image Revision: XX.XX.XX
Slot Number:X BOOTPROM Revision: XX.XX.XX

DELHF-UA Configuration

SMT Version:

Treq:

Tneg:

Tnotify:

SAVE

2

6.0 ms

0.0 ms

30 sec

EXIT RETURN

209145

Figure 3-13 The DELHF-UA Configuration Screen

3.8.1 DELHF-UA Configuration Screen Fields

The following list desc ribe s eac h of the DEL HF-UA Conf igura tion sc reen
fields:

SMT V ersion

This field displays the curr ent version of Station Management (SMT) the
DELHF-UA is using.

3-24 DELHF-UA User’s Guide

The Full Duplex Configuration Screen

Treq

This field displays the Token Rotation Time (TRT) of the DELHF-UA.

Tneg

This field displays the neg otiated token rotation time (in milliseconds)
that the sta tions on the ring established through the token c laiming
process.

Tnotify

This field displays the interval (in seconds) at which the DELHF-UA
transmits Neighbor Information Frames (NIFs). The DELHF-UA uses
NIFs to periodically ann ounce its address and basic sta tion description . T o
change the DELHF-UA Tnotify period from the default thirty seconds,
perform the following steps:

1.

Use the arrow keys to highlight the

2.

Enter a value between 2 and 30.

3.

Use the arrow keys to highlight the

Tnotify

SAVE

field.

command at the bottom of

the screen and press ENTER.

The DELHF-UA now sends NIFs at the new interval.

SAVE

This command saves all configura tion changes to memory.

3.9 THE FULL DUPLEX CONFIGURATION SCREEN

To acces s the Full Duplex Configuration screen f rom the DELHF-UA
Setup screen, use the arrow keys to highlight the

Configuration

menu item and press ENTER. The Full Duplex

Configuration sc reen, Figure 3-14, displays.

Full Duplex

DELHF-U A User’s Guide 3-25

Chapter 3: Local Management

Device Name: DLE32-MA Flash
Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

FDDI Full Duplex Configuration

Operation Mode Link Status Port Status

FDDI PORT A Standard FDDI Link Enabled
FDDI PORT B Standard FDDI Link Enabled

SET OPERATION MODE: [STANDARD FDDI]

DESIRED OPERATION MODE: [STANDARD FDDI]

SAVE

EXIT RETURN

Figure 3-14 The FDDI Full Duplex Confi guration Screen

3-26 DELHF-UA User’s Guide

The Full Duplex Configuration Screen

To configure the DELHF-UA to operate in full duple x mode, two
FPIMs MUST be installed in the DELHF-UA.

3.9.1 Full Duplex FDDI

Full duplex FDDI is the creation of a 200 Mbps point-to-point link
between two FDDI devices that support f ull duplex FDDI operati on. Fu ll
duplex FDDI is a technology where the end devices sim ulta neously
transmit and receive data at 100 Mbps. For the DELHF-UA to operate in
full duplex mode, specif ic criteria must be met. Before configu ri ng the
DELHF-UA to operate in full duplex mode, ensure that the network
configuration meet s the following require ments.

• The FDDI device that connects to the DELHF-UA must be a

DIGITAL product that supports full duplex FDDI (e.g., another
DELHF-UA).

• Full duplex FDDI is a point-to-point link between two devices that

support full dupl ex op eration. No ot her st ations m ay be prese nt on the
ring. If a third station is added, the DELHF-UA automatically returns
to standard FDDI operation.

• There must be two FPIMs installed in the DELHF-UA to connect to

the other full duplex FDDI de vice. To operate in f ull duplex m ode, one
port transmits data while the other receives data simultaneously.
DIGITAL recommends that the connection between the two devic es
be made from the A port of one device, to the B port of the other.

DELHF-U A User’s Guide 3-27

Chapter 3: Local Management

Making a connection between the A ports of both devices to
the B ports of both devices (as is done with a DAS in normal
FDDI operation) DOES NOT create a redundant path when
using full duplex FDDI.

3.9.2 Full Duplex Configuration Screen Fields

The following list describes each of the Full Duplex Configuration screen
fields:

Operation Mode

This is a read-only field that displays the current operating parameters of
the port. This field reads “Standard FDDI” or “Full Duplex”.

Link Status

This is a read-only field that will display “Lin k” or “No Link”.

Port Status

This is a read-only field that will display “Enabled” or “Disabled”.

SET OPERATION MODE

This field toggles between [STANDARD FDDI] and [FULL DUPLEX].
To change the current selection, use the arrow keys to highlight the fie ld
and press the SPACE bar.

DESIRED OPERATIO N MODE

This read-only field displays the desir ed operation mode of the
DELHF-UA. In some cases, the DELHF-UA will not begin operating in
full duplex m ode immediately. This field confirms tha t changes to the
SET OPERATION MODE field have been saved, and the DELHF-UA is
in the process of changing to the operation mode that is displayed in this
field.

SAVE

This command saves all configura tion changes to memory.

3-28 DELHF-UA User’s Guide

The FDDI/Ethernet Translation Configuration Screen

3.9.3 Configuring the DELHF-UA for Full Duplex

Operation

To confi gure the DELHF-UA to operate in full duplex mode, complete
the following steps.

1. Use the arrow keys to highlight the [STANDARD FDDI] field.

2. Use the SPACE bar to toggle between [STANDARD FDDI] and

[FULL DUPLEX].

[STANDARD FDDI]
OPERATION MODE

is the default setting for the

field of the DELHF-UA.

SET

3. With [FULL DUPLEX] selected, use the arrow keys to highlight the

SAVE command at the bottom of the screen, then pres s ENTER. The

“Saved OK” message displays indicating that the changes have been
saved to memory.

When the
DELHF-UA begin operating in full duplex mode.

SAVE

command is executed, both ports of the

3.10 THE FDDI/ETHERNET TRANSLATION

CONFIGURATION SCREEN

To acces s the FDDI/Ethernet Translation Configuration screen from the
DELHF-UA Setup screen, use the arrow keys to highlight the
FDDI/Ethernet Translation Configuration menu item on the
DELHF-UA Setup screen and press ENTER. The FDDI/Ethernet
Translation Configuration sc reen, Figure 3-15, displays.

DELHF-U A User’s Guide 3-29

Chapter 3: Local Management

Device Name: DCE32-MA Flash Image Revision: XX.XX.XX
Slot Number: X BOOTPROM Revision: XX.XX.XX

FDDI/Ethernet Translation Configuration

Translate all non-Novell FDDI SNAP Frames to [Ethernet II]
Translate all Ethernet Raw Frames to [FDDI MAC]
Translate all Novell FDDI SNAP Frames to [Ethernet II]
Translate all Novell FDDI 802.2 Frames to [Ethernet 802.2]
Translate all Novell FDDI MAC Frames to [Ethernet 802.2]
Interpret 802.3 length for frames > 64 bytes [DISABLED]

SAVE DEFAULT EXIT RETURN

22701

Figure 3-15 The FDDI/Ethernet Translation Configurati on Screen

3.10.1 FDDI Translation Configuration Screen Fields

The following list describes each of the FDDI Tr anslation Configuration
screen fi el ds:

Translate all non-Novell FDDI SNAP Frames to

This field allows the user to translate all non-Novell FDDI SNAP frames
to a specific E t hern et fram e type. The Ethernet fram e types that are
available are as foll ows:

• Ethernet II

• Ethernet SNAP

The default setting for the non-Novell FDDI SNAP field is

3-30 DELHF-UA User’s Guide

Ethernet II

.

The FDDI/Ethernet Translation Configuration Screen

Translate all Ethernet Raw Frames to

This field allows the user to translat e all Ethernet Raw frames to a specific
FDDI frame type. The FDDI frame types that are available are as follows:

• FDDI MAC

• FDDI SNAP

• FDDI 802.2

The default setting for the Ethernet Raw field is

Translate all Novell FDDI SNAP Frames to

FDDI MAC

.

This field allows the user to translate all Novell FDDI SNAP frames to a
specif ic Ethern et fram e t ype . The Ethernet frame types that are available
are as follows:

• Ethernet II

• Ethernet SNAP

• Ethernet 802.3

• Ethernet 802.2

The default setting for the Novell FDDI SNAP field is

Translate all Novell FDDI 802.2 Frames to

Ethernet II

.

This field allows the user to translate all Novell FDDI 802.2 frames to a
specif ic Ethern et fram e t ype . The Ethernet frame types that are available
are as follows:

• Ethernet II

• Ethernet SNAP

• Ethernet 802.3

• Ethernet 802.2

The default setting for the Novell FDDI 802.2 field is

Translate all Novell FDDI MAC Frames to

This field allows the user to translate all Novell FDDI MAC frames to a
specif ic Ethern et fram e t ype . The Ethernet frame types that are available
are as follows:

DELHF-U A User’s Guide 3-31

Ethernet 802.2

.

Chapter 3: Local Management

• Ethernet II

• Ethernet SNAP

• Ethernet 802.3

• Ethernet 802.2
The default setting for the Novell FDDI MAC field is Ethernet 802.2.

The Interpret 802.3 Length for Frames > 64 Bytes

This field allows the user to e nable the DELHF-UA to examine the l ength
field of an 802.3 Ethernet frame to dete rmine if the sending device has
added padding to a frame that contains more than the Ethernet minimum
of 64 bytes. If padding has been added, the DELHF-UA removes any
padding before sending the frame onto the FDDI ring.

The DELHF-UA automatically checks for padding all Ether net
frames that are the minimum 64 bytes in length.

The Interpret 802.3 l ength for f rames > 64 bytes fie ld toggle s between the
following options:

• [DISABLED] (default setting)

• [ENABLED]

If you retain the default setting of [DISABLED], the DELHF-UA only
examines 802.3 f rames that are the Ethernet minimum 64 bytes in length.
This allows for optimal switching performanc e, as the DELHF-UA
assum es all fram es ove r 64 byt es in le n gth co nta in n o padding.

If this field is set to [ENABLED] the DELHF-UA examines ALL 802.3
frame length fields to deter mi ne whether any of the frames contain
padding. In this sett ing, the DELHF-UA removes unnecessary padding
from any 802.3 frame, regardless of the size. Refer to Section 3.10.4 for
information on when to set this field to [ENABLE D]. Section 3.10.5
describes how to perform this task.

SAVE

This command saves all configura tion changes to memory.

3-32 DELHF-UA User’s Guide

The FDDI/Ethernet Translation Configuration Screen

DEFAULT

This command sets all transla tion types to their default value s.

3.10.2 Setting Frame Translation Types

To change the frame translations from the default se ttings, perform the
following steps:

1.

Use the arrow keys to highlight the desired frame type field, located
inside the brackets.

2.

Use the SPACE bar to toggle between the availabl e choic es.

3.

With the desired frame type selec ted, use the arrow keys to highlight

SAVE

the
The “Saved OK” message appears indicating that the changes have
been saved to memory.

command at the bottom of the screen, then press ENTER.

3.10.3 Setting the Frame Translation Types to the

Default Value s

To return the frame translations to the default settings, perform the
following steps:

1.

Use the arrow keys to highlight the

DEFAULT

command at th e

bottom of the screen and pres s ENTER.

2.

Use the arrow keys to highlight the

SAVE

command at the bottom of
the screen and press ENTER. The “Saved OK” message appears
indicating that the changes have been saved to memory.

3.10.4 When t o Set the Int erpret 802.3 Leng th for Fra mes
> 64 Bytes Field to [ENABLED]

In most network configurations, the default setting of
appropriate. Some Ethernet devices, howe ver, add padding to frames that
are larger than the Ethernet minimum of 64 bytes. If network problems
arise with the DELHF-UA switching frames tha t contain padding, this
field may need to be se t to

[ENABLED]

. If you are n o t sure w h at is

[DISABLED]

is

causing the problem, contact your DIGITAL representative.

DELHF-U A User’s Guide 3-33

Chapter 3: Local Management

3.10.5 Setting the Interpret 802.3 Length Field to
[ENABLED]

To enable the Interpret 802.3 length for frames > 64 bytes, perfo rm the
following steps:

1. Use the arrow keys to highlight the Interpret 802.3 length for frames

> 64 bytes field.

2. Use the SPACE bar to toggle the choices unt il [ENABLED] displays.

3. Use the arrow keys to highlight the SAVE command located a t the

bottom of the screen.

4. Press ENTER. The configuration changes are saved to memory.

To disable the Interpret 802.3 length for frames > 64 bytes field, perfor m
the steps above while using the SPACE bar to toggle the options until
[DISABLED] displays.

3-34 DELHF-UA User’s Guide

CHAPTER 4

LANVIEW LEDs

4.1 USING THE L ANVIEW LEDS

This chapter describ es how to use the LANVIEW LEDs to monitor the
DELHF-UA status and diagnose DELHF-UA problems. Figure 4-1
shows the location of the DELHF-UA LEDs.

Receive

Transmit

Port A

AB

Primary
Ring

Figure 4-1 DELHF-UA LANVIEW LEDs

Port B

DELHF-UA

A

B

PS

Secondary
Ring

DELHF-UA User’s Guide 4-1

Chapter 4: LANVIEW LEDs

Table 4-1 DELHF-UA Transmit and Receive LEDs

LED Color Definition

Transm i tting
Standby
No activity

Receiving
No activity

Transmit

Receive

Green (Flashing)
Amber (Flas hi ng )
Off

Amber
Off

The following table describes the four possible states of the port A and
port B LEDs of the DELHF-UA.

Table 4-2 Port A and Port B LED States and Defini ti ons

Color Defini t ion

Green Valid link to port and port enable d
Amber Port disabled via management
Off No valid link or no cable attached
Red Possible hardware or FDDI ring fai lure

4-2 DELHF-UA User’s Guide

Us ing the LANVIE W LEDs

The A and B LEDs will sometimes flash red briefly while

!

performing diagnostics. If they remain red for several minutes,
howev er, it could indicate a hardware f ailure. If t he LEDs remain
red, contact your DIGITAL repres entati ve.

The following table defines the different conditions that the DELHF-UA
can be in depending on the status (colors) of the A, B, P, and S LEDs
respectively. Refer to Section 4.2 f or m ore detaile d definit ions of the LED
states.

If the DELHF-UA P and S LEDs remain red f or several minutes

!

the DELHF-UA could have a hardware problem. Contact your
DIGITAL representative.

Table 4-3 A, B, P, S LED Definitions

A B P S Definition

Green Green Green Off Through-A
Green Green Off Green Through-B
Green Off/Amber Green Amber Wrap-A
Off/Amber Green Green Amb er Wrap-B
Off Green Green Amber Dual Homed (Default)
Off Green Green Off Dual Homed (Modified)
Off/Amber Off/Amber Off Off Isolated
Green Green Amber Amber Twisted Ring (A-A, B-B)
Green Off/Ambe r Amber Amber Twisted Ring (A-A)/ Wrap-A
Off/Amber Green Amber Amber Twisted Ring (B-B)/Wrap-B
Gree n G reen Green Green Full Duplex
Green Off Green Off Wrap S (Port A)
Off Green Green Off Wrap S (Port B)

DELHF-U A User’s Guide 4-3

Chapter 4: LANVIEW LEDs

4.2 DELHF-UA LED STATE DEFINITIONS

• Through-A -

The flow of the pri mary ring is entering the MAC from
port A (pr imary ring in ) and exiti ng th rough port B (primary ring o ut).
The secondary ring is isola ted from the MAC with the flow entering
from port B (secondary rin g in) and exiting through port A (secondary
ring out).

• Through-B -

The flow of the primary ri ng is entering the MAC from
port B (primary ring in) and exiting through por t A (primary ring out).
The secondary ring is isola ted from the MAC with the flow entering
from port A (secondary ring in) and exiting through port B (secondary
ring out).

•Wrap-A-

The flow of the primary ring is entering through port A
(primary in) and is wrapped by the DELHF-UA, causing the ring to
exit through port A ( secondary out). Port B is disconnected from the
ring. If the DELHF-UA LED state indicates “Wrap-A” the ring has
lost the redundancy of the secondary ring due to the wrapped
condition. This con figuration should be repaired, as additional
problems could isola te stations from the FDDI ring.

•Wrap-B-

The flow of the primary ring is entering through port B
(secondary in) and is wrapped by the DELHF-UA, causi ng the ri ng to
exit through port B (primary out). Port A is disconnected from the
ring. If the DELHF-UA LED state indicates “Wrap-B” the ring has
lost the redundancy of the secondary ring due to the wrapped
condition. This con figuration should be repaired, as additional
problems could isola te stations from the FDDI ring.

•Isolated-

• Dual Homed (Default) -

Both port A and port B are isolated from the ring.

The flow of the primary ring is entering
through port B (primary in) and is wrapped by the DELHF-UA,
causing the ring to exit through port B (secondary out). Port A is in
standby mode, and will take over the functions of port B if port B
leaves the ring. This LED sequence is the default setting if the
DELHF-UA is configured to be a dual homed device.

4-4 DELHF-UA User’s Guide

DELHF-UA LED State De finitions

• Dual Homed (Modified) -

The flow of the primary ring is entering
through port B (primary in) and is wrapped by the DELHF-UA,
causing the ring to exit through port B (secondary out). Port A is in
standby mode, and will take over the functions of port B if port B
leaves the ring. This dual homed LED sequence is set by setting the

ctsmtmibDual HomeWrpLED Status

OID

• Twisted Ring (A-A, B-B) -

This condition indicates that the A port of

to off.

the DELHF-UA is connected to the A port of anot her device, and the
B port of the DELHF-UA is connected to the B port of the other
device. This is an undesirable ring condition and should be repaired
as some stations could be isolated from the primary ring.

• Twisted Ring (A-A)/Wrap-A -

This condition indi cates that the A port
of the DELHF-UA is connected to the A port of another device. It
also ind icates that t he A po rt has wra pped, combini ng the primary a nd
secondary ring s into a single ring. This is an undesirable rin g
condition and should be repaired as some stations could be isolated
from the primary ring.

• Twisted Ring (B-B)/Wrap-B -

This condition indicates that the B port
of the DELHF-UA is connected to the B port of another device. It
also indi cates t hat the B port ha s wra pped, combining the prim ary and
secondary ring s into a single ring. This is an undesirable rin g
condition and should be repaired as some stations could be isolated
from the primary ring.

• Full Duplex -

The DELHF-UA has be en configure d to operate in full
duplex mode. For more information on full duplex mode for the
DELHF-UA refer to Chapte r 3,

•Wrap S (Port A)-

The DELHF-UA has only one FPIM installed. The

Local Ma na gement

.

FPIM is installed in port A.

•Wrap S (Port B)-

The DELHF-UA has only one FPIM installe d. The

FPIM is installed in port B.

DELHF-U A User’s Guide 4-5

CHAPTER 5

SPECIFICATIONS

This chapter lists the operating specifications for the DELHF-UA.
Cabletron Systems reserv es the right to change thes e specif icati ons at any
time without notice.

5.1 FIBER OPTIC INTERFACE

Depen d ing on t he FPIM , in te rface s have the following characteristic s:

5.1.1 Multimode Specifications

Table 5-1 Multimode Transmitter Specifications

Multimode Transmitter

Optical wavelength 1330 nm typical
Optical output
Optical rise time 3.5 ns maximum

Optical fall time 3.5 ns maximum
Spectral wi dth 140 nm typical
Supply current 150 mA maximum

Table 5-2 Multimode Recei ver Specifications

Multimode Receiver

Optical wavelength 1330 nm typical
Optical input

(avg. sen s it iv ity )
Output rise time 3 ns maximum
Output fall time 3 ns maximum

-20.0 dBm minimum

-14.0 dBm maximum

-31.0 dBm minimum

-14.0 dBm maximum

Supply current 150 mA maximum

DELHF-UA User’s Guide 5-1

Chapter 5: Specifications

Table 5-3 Multimode Receiver (Signal Detect) Specificati ons

Multimode Receiv er (Si gnal Detect)

Assert power

Assert time

Deassert power

Deassert time
Hysteresis 1.5 dB minimum

-33.0 dBm t ypical

-31.0 dBm maximum
10 µs typical

100 µs maximum

-36.0 dBm t ypical

-45.0 dBm minimum
10 µs typical

350 µs maximum

5.1.2 Single Mode Specifications

Table 5-4 Single Mode T ransmitter Specifications

Single Mode Transmitter

Optical wavelength 1330 nm typical
Optical output

-20.0 dBm minimum

-14.0 dBm maximum
Optical rise time 3.5 ns maximum
Optical fall time 3.5 ns maximum
Spectral width 150 nm maximum
Supply current 150 mA maximum

Table 5-5 Single Mode Receiver Specifica tions

Single Mode Receiver

Optical wavelength 1330 nm typical
Optical input

(avg. sen s it iv ity )
Output rise time 3 ns maximum
Output fall time 3 ns maximum
Supply current 115 mA maximum

-31.0 dBm minimum

-14.0 dBm maximum

5-2 DELHF-UA User’s Guide

Fiber Optic Interface

Table 5-6 Single Mode Receiver (Signal Det ect) Specifications

Single Mode Receiver (Signal Detect)

Assert power

Assert time

Deassert power

Deassert time

-33.0 dBm t ypical

-31.0 dBm maximum
10 µs typical

100 µs maximum

-36.0 dBm t ypical

-45.0 dBm minimum
10 µs typical

350 µs maximum

Hysteresis 1.5 dB minimum

DELHF-U A User’s Guide 5-3

Chapter 5: Specifications

5.2 UNSHIELDED TWISTED PAIR (UTP)
SPECIFICATIONS

Table 5-7 UTP Transmitter Specificati ons

UTP Transmitter

Amplitude

Rise time

Fall t ime
Rise/Fall variation 0.5 ns maximum

Overshoot 5% ma ximum
Droop (14 symbol s) 3% maximum

Table 5-8 UTP Receiver (Signal Detect)

UTP Receiver (Signal Detect)

Assert time

Deassert time

1.080 Vpk maximum

0.920 Vpk minimum
2 ns minimum

4 ns maximum
2 ns minimum

4 ns maximum

10 µs typical
100 µs maximum

10 µs typical
350 µs maximum

5-4 DELHF-UA User’s Guide

Shielded Twisted Pair (STP) Transmitter Specifications

5.3 SHIELDED TWISTED PAIR (STP) TRANSMITTER
SPECIFICATIONS

Table 5-9 STP Transmitter Specificati ons

STP Transmitter

Amplitude

Rise time

Fall t ime
Rise/Fall variation 0.5 ns maximum

Overshoot 5% ma ximum

Table 5-10 STP Receiver (Signal Detect) Specifications

STP Receiver (Signal Detect)

Assert time

Deassert time

1.285 Vpk maximum

1.165 Vpk minimum
3 ns minimum

5 ns maximum
3 ns minimum

5 ns maximum

10 µs typical
100 µs maximum

10 µs typical
350 µs maximum

DELHF-U A User’s Guide 5-5

Chapter 5: Specifications

5.4 CABLE SPECIFICATIONS

The FDDI Physical Layer Medium Dependent (PMD), Twisted P a ir
Physical Layer Medium Dependent ( TP-PMD), and Single Mode Fiber
Physical Layer Medium Dependent ( SMF-PMD) ANSI standards define
cable requirement s as follows:

Multimode Fiber

Core diameter: 62.5 µm nominal
Cladding diameter: 128.0 µm maximum

122.0 µm minimum

Cable attenuation: ð 2.5 dB/km typical

Single Mode Fiber

Core diameter: 8.7 µm +/- 0.5 µm
Cladding diameter: 127.0 µm maximum
Cable attenuation: ð 0.5 dB/km typical

5.4.1 Mul timode Fiber Optic Cable Length

The PMD FDDI standard specifies the following:
Maximum total cable length: 100 km (62 miles) — dual ring

200 km (124 miles) — wrapped
Maximum multimode cable length
between adjacent nodes: 2 km (1.2 miles)

5.4.2 Single Mo de Fiber Optic Cable Length

The SMF-PMD FDDI standard specifies the following:
Maximum total cable length: 100 km (62 miles) — dual ring

200 km (124 m iles) — wrapped
Single mode cable length
between adjacent nodes:

40 km (24 miles) maximum

25 km (15 m iles) typical

5-6 DELHF-UA User’s Guide

Twisted Pair Pinout Configuration

5.4.3 Twisted Pair Cable Length

The TP-PMD FDDI standard specif ies the following:
Maximum total cable length: 100 km (62 miles) — dual ring

200 km (124 miles) — wrapped
Maximum twisted pair
cable length between
adjacent nodes: 100 m (328.1 feet)

5.5 TWISTED PAIR PINOUT CONFIGURATION

This section provides the RJ45 pinout conf iguration for Unshielded
Twisted Pair (UTP) and Shielded Twisted Pair (STP) Physical Layer
Medium Dependent (PMD) ports.

When connecting two twisted pair ports together, a transmit
and receive cross-over must occur between the two devices
(within the cable).

1 2 3 4 5 6 7 8

1. Transmit +

2. Transmit -

3. N/A

4. N/A

Figure 5-1 RJ45 TP-PMD Port

5. N/A

6. N/A

7. Receive +

8. Receive -

DELHF-U A User’s Guide 5-7

APPENDIX A

DEL01-UI

FPIM SPECIFICATIONS

This appendix de scribes the FDDI Port Interface Modules ( FPIMs).

A.1 DEL00-U I AND DEL01-UI

The DEL00-UI and DEL01-UI, shown in Figure A-1, provide a
multimode fiber connect ion. The DEL00-UI uses a MIC style connector
and the DEL01-UI uses an SC type connector . The specifi cations for both
devices are listed in Table A-1.

Table A-1 DEL00-UI and DEL01-UI Specifications

Parameter Typical Value

Receive
Sensitivity

Peak Input Power -7.6 dBm -8.2 dBm NA NA
50/125 µm fiber -13.0 dBm -15.0 dBm 13.0 dB 17.5 dB

62.5/125 µm fibe r -10.0 dBm - 12.0 dBm 16.0 dB 20.5 dB
100/140 µm fiber -7.0 dBm -9.0 dBm 19.0 dB 23.5 dB
Error Rate Better than 10

-30.5 dBm - 28.0 dBm NA NA

10

Worst
Case

Worst
Case
Budget

Typical
Budget

The link distance is up to 2 kilometers on the multimode fiber optic cable
as specifi ed by AN SI MMF-PMD.

Figure A-1 The DEL00-UI and DEL01-UI

DELHF-UA User’s Guide A-1

DEL00-UI

Appendix A: FPIM Specifications

A.2 DEL02-UI

The DEL02-UI, shown in Figure A-3, has an RJ45 connector suppor ting
an Unshielded Twisted Pair (UTP) connection. The pinouts are listed in
Figure A-2.

1 2 3 4 5 6 7 8

1. Transmit +

2. Transmit -

3. N/A

4. N/A

Figure A-2 DEL02-UI Pinouts

5. N/A

6. N/A

7. Receive +

8. Receive -

The link distance is up to100 meters on unshie lded twisted pair cable as
specified by ANSI TP-PMD.

DEL02-UI

Figure A-3 The DEL02-UI

A-2 DELHF-UA User’s Guide

DEL05-UI

A.3 DEL05-UI

The DEL05-UI, shown in Figure A-4, provides a single mode fiber
connection. The DEL05-UI uses a MIC style connector. The
specifications for this device are listed in Table A-2.

Table A-2 DEL05-UI Specifications

Parameter Typical Value Minim um Maximu m

Transm it te r Pe ak Wa ve
Length

Spectral Widt h 60 nm - 100 nm
Rise Time 3.0 ns 2.7 ns 5.0 ns
Fall Time 2.5 ns 2.2 ns 5.0 ns
Duty Cyc le 50.1% 49.6% 50.7%
Bit Err or Ra te B et te r than 10

1300 nm 1270 nm 1330 nm

10

The link distance is up to 40 kilometers ( maximum) and 25 kilometers
(typical) on single mode fiber-optic cable as specifi ed by ANSI
SMF-PMD.

DELHF-U A User’s Guide A-3

DEL05-UI

Figure A-4 The DEL05-UI

9032632 Printed in U.S.A.