Cabletron Systems 3H02-04 User manual

OFFLINE

RX

LK

TX

QUAD FAST ETHERNET / 802.3 100BASE-TX (UTP)

XXXX

SEGMENT 4SEGMENT 3SEGMENT 2

SEGMENT 1

RX

LK

TX

RX

LK

TX

RX

LK

TX

PROC

PWR

OFFLINE

RX

LK

TX

QUAD FAST ETHERNET / 802.3 100BASE-FX

TX RX

SEGMENT 4SEGMENT 3SEGMENT 2 SEGMENT 1

RX

LK

TX

RX

LK

TX

RX

LK

TX

PROC

PWR

TX RX TX RX TX RX

FAST ETHERNET SWITCH MODULE

(3H02-04 AND 3H08-04)

USER GUIDE

FE Switch Module User Guide i

NOTICE

Cabletron Systems reserves the right to make changes in speciﬁcations and other information

contained in this document without prior notice. The reader should in all cases consult Cabletron

Systems to determine whether any such changes have been made.

The hardware, ﬁrmware, or software described in this manual is subject to change without notice.

IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL,

INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT

NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR

THE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN

ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH

DAMAGES.



Printed in the United States of America

Order Number: 9031874-01 May 1996

All product names mentioned in this manual may be trademarks or registered trademarks of their

respective companies.

Printed on Recycled Paper

Notice

ii FE Switch Module User Guide

FCC NOTICE

This device complies with Part 15 of the FCC rules. Operation is subject to the following two

conditions: (1) this device may not cause harmful interference, and (2) this device must accept any

interference received, including interference that may cause undesired operation.

NOTE:

This equipment has been tested and found to comply with the limits for a Class A digital

device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable

protection against harmful interference when the equipment is operated in a commercial environment.

This equipment uses, generates, and can radiate radio frequency energy and if not installed in

accordance with the operator’s manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause interference in which case the user

will be required to correct the interference at his own expense.

WARNING:

Changes or modifications made to this device which are not expressly approved by the

party responsible for compliance could void the user’s authority to operate the equipment.

DOC NOTICE

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital

apparatus set out in the Radio Interference Regulations of the Canadian Department of

Communications.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables

aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique

édicté par le ministère des Communications du Canada.

VCCI NOTICE

This equipment is in the 1st Class Category (information equipment to be used in commercial and/or

industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference

by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial

and/or industrial areas.

Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be

caused to radios and TV receivers, etc.

Read the instructions for correct handling.

Notice

FE Switch Module User Guide iii

CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT

IMPORTANT:

Before utilizing this product, carefully read this License Agreement.

This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”)

that sets forth your rights and obligations with respect to the Cabletron software program (the

“Program”) contained in this package. The Program may be contained in ﬁrmware, chips or other

media. BY UTILIZING THE ENCLOSED PRODUCT, YOU ARE AGREEING TO BECOME

BOUND BY THE TERMS OF THIS AGREEMENT, WHICH INCLUDES THE LICENSE AND

THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IF YOU DO NOT

AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE UNUSED

PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND.

CABLETRON SOFTWARE PROGRAM LICENSE

1. LICENSE

. You have the right to use only the one (1) copy of the Program provided in this

package subject to the terms and conditions of this License Agreement.

You may not copy, reproduce or transmit any part of the Program except as permitted by the

Copyright Act of the United States or as authorized in writing by Cabletron.

2. OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the

Program.

3. APPLICABLE LAW. This License Agreement shall be interpreted and governed under the laws

and in the state and federal courts of New Hampshire. You accept the personal jurisdiction and

venue of the New Hampshire courts.

EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY

1. EXCLUSION OF

WARRANTY. Except as may be specifically provided by Cabletron in

writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including

its documentation and media).

CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUPPLIED TO

YOU BY CABLETRON IN WRITING, EITHER EXPRESSED OR IMPLIED, INCLUDING

BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND

FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PROGRAM, THE

ACCOMPANYING WRITTEN MATERIALS, AND ANY ACCOMPANYING HARDWARE.

2. NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL

CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER

(INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS,

PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL,

INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS)

ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT,

EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH

DAMAGES. BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR

LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR

ON THE DURATION OR LIMITATION OF IMPLIED WARRANTIES, IN SOME

INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO

YOU.

Notice

iv FE Switch Module User Guide

UNITED STATES GOVERNMENT RESTRICTED RIGHTS

The enclosed product (a) was developed solely at private expense; (b) contains “restricted computer

software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the

Commercial Computer Software - Restricted Rights Clause and its successors, and (c) in all respects

is proprietary data belonging to Cabletron and/or its suppliers.

For Department of Defense units, the product is licensed with “Restricted Rights” as deﬁned in the

DoD Supplement to the Federal Acquisition Regulations, Section 52.227-7013 (c) (1) (ii) and its

successors, and use, duplication, disclosure by the Government is subject to restrictions as set forth in

subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at 252.227-

7013. Cabletron Systems, Inc., 35 Industrial Way, Rochester, New Hampshire 03867-0505.

FE Switch Module User Guide v

CONTENTS

CHAPTER 1 INTRODUCTION

1.1 Using This manual.......................................................................1-2

1.2 Overview......................................................................................1-3

1.3 3H02-04 FE Switch Module.........................................................1-3

1.3.1 Connectors .....................................................................1-4

1.3.2 LEDs...............................................................................1-4

1.3.3 Offline Button..................................................................1-4

1.4 3H08-04 FE Switch Module.........................................................1-5

1.4.1 Connectors .....................................................................1-5

1.4.2 LEDs...............................................................................1-5

1.4.3 Offline Button..................................................................1-5

1.5 Document Conventions...............................................................1-6

1.6 Related Manuals..........................................................................1-7

1.7 Getting Help.................................................................................1-7

CHAPTER 2 CONNECTING TO THE NETWORK

2.1 Power-Up LED Sequence ...........................................................2-1

2.2 Connecting to a Network.............................................................2-2

2.2.1 Connecting the 3H02-04 FE Switch Module...................2-2

2.2.2 Connecting the 3H08-04 FE Switch Module...................2-3

CHAPTER 3 CONFIGURING

3.1 Connecting the Local Console Manager .....................................3-2

3.2 Local Console Manager commands............................................3-2

CHAPTER 4 MONITORING

4.1 Displaying Switch Module Port Status.........................................4-1

CHAPTER 5 DIAGNOSTICS AND TROUBLESHOOTING

5.1 Power-Up Tests...........................................................................5-1

5.2 Power-Up Results........................................................................5-1

5.3 Operational Diagnostics ..............................................................5-2

5.4 Diagnostic results........................................................................5-3

5.5 Troubleshooting...........................................................................5-3

5.5.1 If the Module Fails to Power Up......................................5-3

5.5.2 Connectivity Problems....................................................5-4

Contents

vi FE Switch Module User Guide

CHAPTER 6 ADDING/SWAPPING MODULES

6.1 Unpacking the Switch Module......................................................6-1

6.2 Adding a Switch Module ..............................................................6-1

6.3 Swapping a Switch Module..........................................................6-2

APPENDIX A TECHNICAL SPECIFICATIONS

APPENDIX B CABLES

B.1 Types/Connectors.......................................................................B-1

B.2 Cable Specifications ...................................................................B-1

B.3 Fast Ethernet Pin Assignments................................................... B-2

B.3.1 About RJ45 Connectors.................................................. B-2

B.3.2 Crossover Wiring for the 3H02-04.................................. B-3

B.3.3 Straight-Through Wiring for the 3H02-04........................ B-4

B.3.4 Limitations & Restrictions ............................................... B-4

B.3.5 Definitions.......................................................................B-4

INDEX

FE Switch Module User Guide Page 1-1

CHAPTER 1

INTRODUCTION

Welcome to Cabletron Systems

Fast Ethernet Switch Module

(

3H02-04

and 3H08-04) User Guide

. This manual provides information for

conﬁguring, monitoring, and maintaining the Fast Ethernet (FE) Switch

Modules. The two types of FE Switch Modules are:

•

3H02-04

, 4 port 100TX Switch Module - UTP/RJ45

•

3H08-04

, 4 port 100FX Switch Module - Fiber/ST

• The name FE Switch Module(s) will be used to discuss both types of

modules throughout this manual, unless there is a need to call attention

to some characteristic of an individual module.

Figure 1-1 ATX Front Panel

POWER STATUS

ENGINE STATUS

TURBO STATUS

SUPPLY A

SUPPLY B

1.6 Gbps

RESET

PACKET PROCESSING ENGINE

NMS PORT

POWER

FastNET ATX

TM

OFFLINE

PROC

PWR

OCTAL IEEE 802.3 / ETHERNET 10BASE-T

3X 4X 5X 6X 7X 8X2X1X

SEGMENT

LINK

ACT

COL

12345678

OFFLINE

RING 1

RX ST

RING 2

RX ST

RING 3

RX ST

RING 4

RX ST PROC

TX 16 TX 16 TX 16 TX 16 PWR

QUAD IEEE 802.5 TOKEN RING (UTP)

OFFLINE

RX

LK

TX

QUAD FAST ETHERNET / 802.3 100BASE-FX

TX RX

SEGMENT 4SEGMENT 3SEGMENT 2 SEGMENT 1

RX

LK

TX

RX

LK

TX

RX

LK

TX

PROC

PWR

TX RX TX RX TX RX

OFFLINE

TX PWR

INTELLIGENT FDDI

RING A

RING B

THRU

WRAP

RX

PROC

FDDI MIC A FDDI MIC BOPTICAL BYPASS

MULTI-MODE MULTI-MODE

OFFLINE

PROCRX

TX

PWR

QUAD IEEE 802.3 / ETHERNET 10BASE2

SEGMENT 4SEGMENT 3SEGMENT 2 SEGMENT 1

RX

TX

RX

TX

RX

TX

OFFLINE

PROCRX

TX

PWR

QUAD IEEE 802.3 / ETHERNET 10BASE2

SEGMENT 4SEGMENT 3SEGMENT 2 SEGMENT 1

RX

TX

RX

TX

RX

TX

Chapter 1:

Introduction

Page 1-2 FE Switch Module User Guide

1.1 USING THIS MANUAL

Read this manual to gain an understanding of the features and capabilities

of the FE Switch Modules. A general knowledge of Ethernet and IEEE

802.3 type data communications networks and their physical layer

components will be helpful when installing and using these devices.

Chapter 1,

Introduction

, outlines the contents of this manual, brieﬂy

describes the features of the modules, related documents, and how to get

help.

Chapter 2,

Connecting to the Network

, describes how to physically

attach the module to an Ethernet network.

Chapter 3,

Conﬁguring

, discusses the software conﬁguration options for

the modules.

Chapter 3,

Monitoring

, provides information on Ethernet port statistics

obtained through Local Console Manager.

Chapter 4,

Diagnostics and

Troubleshooting

, discusses identifying

possible problems with the module.

Chapter 5,

Adding/Swapping Modules

, gives instructions for adding and

replacing a module.

Appendix A,

Specifications

, lists the pertinent technical information

about the modules.

Appendix B,

Cables

, lists the pertinent cabling information about the

modules.

Overview

FE Switch Module User Guide Page 1-3

1.2 OVERVIEW

Cabletron Systems Fast Ethernet Switch Modules connect the ATX hub

to a maximum of four individual Ethernet IEEE 802.3 Local Area

Networks (LANs). Through the ATX backplane, connectivity to other

Fast Ethernet devices, as well as connectivity to FDDI, Token Ring, and

Ethernet networks is supported. You can conﬁgure the module to support

Transparent Spanning Tree, Source Routing, or Source Routing

Transparent Bridging on each of the FDDI, Token Ring, or Ethernet ports

of the ATX. The ATX is also able to translate higher level protocols to

allow communications between end-nodes on Ethernet and end-nodes on

FDDI or Token Ring; protocols translated include TCP/IP, Novel

NetWare, and AppleTalk Phase II.

The switch modules include processing circuitry for receiving and

forwarding data packets between the connected devices. Each module

contains an ofﬂine button as well as several light emitting diodes (LEDs)

that indicate the operational status of the module and the individual ports.

You can install the switch modules in any of the ﬁve interface slots of the

ATX. Each switch module provides connectivity to four distinct 100 Mb

LANs.

1.3 3H02-04 FE SWITCH MODULE

The 3H02-04 (Figure 1-2) provides connection for four independent

100BASE-TX LANs to the ATX backplane and packet processing engine

(PPE). It includes processing circuitry for receiving and forwarding

packets between the connected 100BASE-TX LANs within each module.

The 3H02-04 contains several LEDs to indicate the module’s operational

status. Each segment has link test enabled and supports receive pair

polarity reversal detection and automatic correction.

The 3H02-04 supports unshielded twisted pair (UTP) and IEEE 802.3

100BASE-TX speciﬁcation.

Chapter 1:

Introduction

Page 1-4 FE Switch Module User Guide

1.3.1 Connectors

The 3H02-04 includes four 8-pin RJ45 receptacle connectors that you can

attach directly to the network by using unshielded twisted-pair (UTP)

cabling. The ATX power supply provides the power for the module.

1.3.2 LEDs

The 3H02-04 contains a total of 14 green LEDs labeled LINK, RX, and

TX for each segment, plus PROC and PWR for the module. The LEDs are

described in Chapter 5 of this manual.

1.3.3 Ofﬂine Button

Use the ofﬂine button before swapping the module, to take it ofﬂine until

the replacement is installed.

Figure 1-2 3H02-04 Front Panel

NOTE

An internal receive/transmit pair crossover is provided in the

second connector on each port. This means that when either a

station or server is directly attached to a 3H02-04 port, you can

choose to use either straight-through or crossover cabling. For

more cabling and crossover information, see Appendix B.

OFFLINE

RX

LK

TX

QUAD FAST ETHERNET / 802.3 100BASE-TX (UTP)

XXXX

SEGMENT 4SEGMENT 3SEGMENT 2

SEGMENT 1

RX

LK

TX

RX

LK

TX

RX

LK

TX

PROC

PWR

Offline button

Status LEDs

RJ45 Connectors

3H08-04 FE Switch Module

FE Switch Module User Guide Page 1-5

1.4 3H08-04 FE SWITCH MODULE

The 3H08-04 (Figure 1-3) provides connection for four independent

100BASE-FX LANs to the ATX backplane and packet processing engine

(PPE). It includes processing circuitry for receiving and forwarding

packets between the connected 100BASE-FX LANs within each module.

The 3H08-04 contains several LEDs to indicate the module’s operational

status.

The 3H08-04 supports ﬁber optic and the IEEE 802.3 100BASE-FX

speciﬁcation.

1.4.1 Connectors

The 3H08-04 includes four pairs of ﬁber optic socket connectors for ﬁber

optic cabling. Receive (RX) and transmit (TX) connectors are clearly

marked on the front panel of the module. The ATX power supply

provides the power for the module.

1.4.2 LEDs

The 3H08-04 contains a total of 14 green LEDs labeled LINK, RX, and

TX for each segment, plus PROC and PWR for the module. The LEDs are

described in Chapter 5 of this manual.

1.4.3 Ofﬂine Button

Use the ofﬂine button before swapping the module, to take it ofﬂine until

the replacement is installed.

Figure 1-3 3H08-04 Front Panel

OFFLINE

RX

LK

TX

QUAD FAST ETHERNET / 802.3 100BASE-FX

TX RX

SEGMENT 4SEGMENT 3SEGMENT 2 SEGMENT 1

RX

LK

TX

RX

LK

TX

RX

LK

TX

PROC

PWR

TX RX TX RX TX RX

Status LEDs

Offline Button

Fiber Connectors

Chapter 1:

Introduction

Page 1-6 FE Switch Module User Guide

1.5 DOCUMENT CONVENTIONS

The following conventions are used throughout this document:

Commands, prompts, and information displayed by the computer appear

in Courier typeface.

Current Number of Station Addresses: 5

Current Number of Learned Addresses: 133

Number of Defined Filters: 4

NOTE

Note

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

information that may be of special importance.

TIP

Tip

symbol. Conveys helpful hints concerning procedures or

actions.

!

CAUTION

Caution

symbol. Contains information essential to avoid

damage to the equipment.

Warning

symbol. Warns against an action that could result in

equipment damage, personal injury or death.

FE Switch Module User Guide Page 1-7

1.6 RELATED MANUALS

Use the following manuals to supplement the procedures and other

technical data provided in this manual. The procedures contained in the

following manuals are referenced where appropriate, but not repeated in

this manual.

•

ATX User Guide

•

ATX MIB Reference Guide

If you need internetworking reference material, you may ﬁnd the

following books helpful:

•

Interconnections, Bridges and Routers

, Radia Perlman, Addison

Wesley



1992.

•

Internetworking with TCP/IP: Principles, Protocols, and Architecture

(2nd edition), Volumes I and II, Douglas Comer, Prentice Hall



1991.

•

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

internets

, Marshall T. Rose, Prentice Hall



1991.

1.7 GETTING HELP

If you need additional support related to this device, or if you have any

questions, comments, or suggestions concerning this manual, contact

Cabletron Systems Technical Support:

By phone (603) 332-9400

Monday – Friday; 8

A

.

M

. – 8

P

.

M

. Eastern Time

By CompuServe GO CTRON from any ! prompt

By Internet mail [email protected]

By FTP ctron.com (134.141.197.25)

Login

anonymous

Password

your email address

Before calling Cabletron Systems Technical Support, have the following

information ready:

Chapter 1:

Introduction

Page 1-8 FE Switch Module User Guide

• 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.)

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

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

• The serial and revision numbers of all Cabletron Systems products in

the network

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

recurring problem, etc.)

• Any previous Return Material Authorization (RMA) numbers

FE Switch Module User Guide Page 2-1

CHAPTER 2

CONNECTING TO THE NETWORK

This chapter provides reference material and instructions that network

administrators can use to conﬁgure the Fast Ethernet Switch Modules.

For instructions on adding a switch module to the ATX, see Chapter 5,

Adding/Swapping Modules

.

2.1 POWER-UP LED SEQUENCE

Watch the LED sequence during power-up. It takes about 1 minute for the

ATX to complete the power-up diagnostics. The ATX begins system

diagnostics on the PPE (topmost module) and then individually on each

installed module, starting at the top and working down to the bottom.

Using both processors, the speciﬁc power-up tests run on the switch

module are:

• ROM checksum test

• Instruction memory test

• Memory map tests

• Interrupt tests

• Fast Ethernet data loopback tests

The power-up LED sequence for the Fast Ethernet module is as follows:

1. All LEDs flash.

2. The PWR LED remains on, and the TX LEDs flash.

3. On each switch module, the following occurs:

a. The PROC LED comes on for 5 seconds, blinks, then remains lit.

b. The RX and TX LEDs flash momentarily.

Chapter 2:

Connecting to the Network

Page 2-2 FE Switch Module User Guide

4. After a few seconds, the switch module reboots and the PROC LED

comes on.

5. All other LED activity beyond this point is a function of the

configuration and connection of the ATX.

2.2 CONNECTING TO A NETWORK

To connect the switch module to a Fast Ethernet network, use the

following types of Ethernet cable:

• Unshielded Twisted Pair (UTP for 100BASE-TX)

• Fiber (100BASE -FX)

2.2.1 Connecting the 3H02-04 FE Switch Module

You can connect each of the four 100BASE-TX ports of the 3H02-04 to a

100BASE-TX port on a device such as a workstation, server, hub, etc.,

using unshielded twisted pair cable. Each segment on the 3H02-04

provides two connectors. Depending on whether crossover is provided on

the device being connected to, use either crossover or straight-through

UTP cable to connect to a port. Keep in mind, however,

to use only

one

connector on each segment

. For more information on cable

speciﬁcations, see Appendix B.

Connect one end of a UTP cable to an open port on the 3H02-04 and the

other end to the RJ45 port on the device (see Figure 2-1).

Figure 2-1 3H02-04 Front Panel Connectors

OFFLINE

RX

LK

TX

QUAD FAST ETHERNET / 802.3 100BASE-TX (UTP)

XXXX

SEGMENT 4SEGMENT 3SEGMENT 2

SEGMENT 1

RX

LK

TX

RX

LK

TX

RX

LK

TX

PROC

PWR

Connecting to a Network

FE Switch Module User Guide Page 2-3

2.2.2 Connecting the 3H08-04 FE Switch Module

You can connect each of the four pairs of ST ﬁber ports on the 3H08-04 to

a 100BASE-FX port on a device such as a hub, using ﬁber optic cable.

Each ﬁber segment has a pair of female ST connectors clearly marked as

“RX” and “TX.”

Attach the transmit (TX) connector on the 3H08-04 to the receive (RX)

connector on the attached device. Similarly, you must then connect the

receive (RX) connector on the 3H08-04 to the transmit (TX) connector on

the attached device (see Figure 2-2). For more information on cable

speciﬁcations, see Appendix B.

Figure 2-2 3H08-04 Front Panel Connections

To RX on device

To TX on device

OFFLINE

RX

LK

TX

QUAD FAST ETHERNET / 802.3 100BASE-FX

TX RX

SEGMENT 4SEGMENT 3SEGMENT 2 SEGMENT 1

RX

LK

TX

RX

LK

TX

RX

LK

TX

PROC

PWR

TX RX TX RX TX RX

Chapter 2:

Connecting to the Network

Page 2-4 FE Switch Module User Guide

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