Cisco Systems 2984G User Manual

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Catalyst 2984G, 2948G-GE-TX,

and 2980G Switch Hardware

Installation Guide

October 2003

Corporate Headquarters

Cisco Systems, Inc. 170 West Tasman Drive

San Jose, CA 95134-1706USAhttp://www.cisco.com Tel: 408526-4000

800 553-NETS(6387) Fax: 408526-4100

Customer Order Number: DOC-786286=

Text Part Number: 78-6286-05

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

The following information is for FCC compliance of Class A devices: 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 generates, uses, and can radiate radio-frequencyenergy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.

The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequencyenergy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:

Turn the television or radio antenna until the interference stops.

Move the equipment to one side or the other of the television or radio.

Move the equipment farther away from the television or radio.

Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.

The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the Univers ity of California.

NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMEDSUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.

IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherSwitch, Fast Step, GigaStack, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, LightStream, MGX, MICA, the Networkers logo, Networking Academy, Network Registrar,Packet, PIX,Post-Routing,Pre-Routing,RateMUX, Registrar, ScriptShare, SlideCast, SMARTnet, StrataView Plus, Stratm, SwitchProbe, TeleRouter, The Fastest Way to Increase Your Internet Quotient, TransPath, and VCO are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries.

All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0304R)

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guide

Copyright © 1999–2003,Cisco Systems, Inc. All rights reserved.

C O N T E N T S

Cisco Limited Lifetime Hardware Warranty Terms xi

Preface xv

Audience xv

Organization xv

Related Documentation xvi

Conventions xvii

 

Obtaining Documentation

xxiii

 

Cisco.com

xxiii

 

 

 

Documentation CD-ROM

xxiii

 

Ordering Documentation

xxiv

 

Documentation Feedback

xxiv

 

Obtaining Technical Assistance xxiv

 

Cisco TAC Website xxv

 

 

Opening a TAC Case

xxv

 

 

TAC Case Priority Definitions xxv

 

Obtaining Additional Publications and Information xxvi

 

Product Overview

 

 

 

C H A P T E R 1

1-1

 

 

 

Switch Description 1-1

 

 

 

GBIC Module Support

1-3

 

SFP Module Support

1-3

 

 

Switch Features 1-4

 

 

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Contents

 

 

 

 

Port Locations

1-6

 

 

 

 

 

 

 

 

10/100 and 10/100/1000 Ports 1-6

 

 

 

 

 

 

Catalyst 2948G and 2980G Switch Ports 1-7

 

 

 

 

Catalyst 2948G-GE-TX Switch Ports

1-7

 

 

 

 

 

Switch Components

1-7

 

 

 

 

 

 

 

 

Management Ports

1-8

 

 

 

 

 

 

 

Console Serial Port 1-8

 

 

 

 

 

 

 

10BASE-T and 10/100BASE-T Ports

1-8

 

 

 

 

 

Front Panel LEDs 1-8

 

 

 

 

 

 

 

Airflow 1-9

 

 

 

 

 

 

 

 

 

 

Power Supplies

1-11

 

 

 

 

 

Site Planning 2-1

 

 

 

 

 

 

C H A P T E R 2

 

 

 

 

 

 

 

 

 

 

 

Site Power Requirements and Heat Dissipation 2-2

 

 

 

 

System Ground Connection Guidelines (Catalyst 2948G and 2980G Switches

 

 

 

 

Only) 2-3

 

 

 

 

 

 

 

 

 

 

Connecting the Switch to Earth Ground 2-5

 

 

 

 

Site-Planning Checklist

2-7

 

 

 

 

 

Installing the Switch

 

 

 

 

 

C H A P T E R 3

 

3-1

 

 

 

 

 

 

 

 

Preparing for Installation

3-2

 

 

 

 

 

 

 

EMC Regulatory Statements 3-2

 

 

 

 

 

 

 

U.S.A.

3-2

 

 

 

 

 

 

 

 

 

Taiwan

3-2

 

 

 

 

 

 

 

 

VCCI Class A Notice for Japan 3-3

 

 

 

 

 

 

Korea

3-3

 

 

 

 

 

 

 

 

 

Class A Notice for Hungary

3-4

 

 

 

 

 

 

Checking the Shipping Container

3-4

 

 

 

 

 

 

Catalyst 2948G and 2980G Switches

3-4

 

 

 

 

 

Catalyst 2948G-GE-TX Switches 3-5

 

 

 

 

 

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Contents

 

 

 

 

 

 

 

 

 

 

Installing the Catalyst 2948G and 2980G Switches 3-6

 

 

 

 

 

 

Required Installation Tools

3-6

 

 

 

 

 

 

Rack-Mounting the Catalyst 2948G and 2980G Switches 3-7

 

 

Installing the Catalyst 2948G-GE-TX Switch

3-9

 

 

 

Rack-Mounting the Catalyst 2948G-GE-TX Switch

3-10

 

 

Removing Screws from the Switch

3-10

 

 

 

Attaching Brackets to the Switch 3-11

 

 

 

Mounting the Switch in a Rack

3-14

 

 

 

Attaching the Cable Guide

3-15

 

 

 

 

 

Wall-Mounting the Catalyst 2948G-GE-TX Switch

3-16

 

 

Attaching the Brackets to the Switch for Wall-Mounting 3-16

 

 

Attaching the RPS Connector Cover

3-17

 

 

 

Mounting the Switch on a Wall

3-17

 

 

 

Mounting the Catalyst 2948G-GE-TX Switch on a Table or Shelf 3-19

 

 

Connecting Power to the Switches

3-19

 

 

 

 

 

Connecting to 10/100 and 10/100/1000 Ports

3-20

 

 

 

Connecting a Terminal to the Console Serial and Ethernet Management

 

 

Ports 3-22

 

 

 

 

 

 

 

 

Verifying Switch Operation 3-23

 

 

 

 

 

 

Configuring the Gigabit Ethernet Ports 4-1

 

 

 

C H A P T E R 4

 

 

 

 

Installing, Removing, and Maintaining GBICs

4-2

 

 

 

GBIC Features 4-2

 

 

 

 

 

 

 

Port Cabling Specifications

4-4

 

 

 

 

 

 

GBIC Optical Power Characteristics

4-5

 

 

 

 

GBIC Cabling Restrictions

4-5

 

 

 

 

 

 

Installing GBICs

4-6

 

 

 

 

 

 

 

Removing GBICs

4-9

 

 

 

 

 

 

 

GBIC Maintenance Guidelines

4-10

 

 

 

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Contents

 

 

Patch Cord 4-10

 

 

 

 

 

Patch Cord Configuration Example

4-11

 

 

Patch Cord Installation

4-11

 

 

 

 

Connecting To an SFP Module

4-12

 

 

 

Troubleshooting the Installation

 

 

 

C H A P T E R 5

5-1

 

 

 

 

Getting Started 5-2

 

 

 

 

 

Problem Solving to the System Component Level 5-2

 

 

Identifying Startup Problems 5-3

 

 

 

 

Troubleshooting the Power Supply 5-4

 

 

 

 

Contacting Customer Service 5-5

 

 

 

 

Specifications A-1

 

 

 

A P P E N D I X

A

 

 

 

 

 

Console Serial Port A-1

 

 

 

 

 

10BASE-T and 10/100BASE-T Ethernet Management Ports A-2

 

 

Catalyst 2948G Switch Specifications

A-2

 

 

 

Catalyst 2948G-GE-TX Switch Specifications

A-5

 

 

Catalyst 2980G Switch Specifications

A-6

 

 

 

Repacking a Switch B-1

 

 

 

A P P E N D I X

B

 

 

 

 

 

Differential Mode Delay C-1

 

 

 

A P P E N D I X

C

 

 

 

 

 

Translated Safety Warnings D-1

 

 

 

A P P E N D I X

D

 

 

 

Warning Definition D-2

Safety Information Referral Warning D-7

Qualified Personnel Warning D-9

Invisible Laser Radiation Warning D-10

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Laser Radiation D-11

 

Attaching the Cisco RPS (model PWR300-AC-RPS-N1)

D-13

Attaching the Cisco RPS (model PWR600-AC-RPS) D-14

Attaching the Cisco RPS (model PWR675-AC-RPS-N1)

D-15

Redundant Power Supply Connection Warning D-17

 

Switch Installation Warning D-18

 

Chassis Warning for Rack-Mounting and Servicing D-20

I N D E X

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Cisco Limited Lifetime Hardware

Warranty Terms

There are special terms applicable to your hardware warranty and various services that you can use during the warranty period. Your formal Warranty Statement, including the warranty applicable to Cisco software, is included on the Cisco Documentation CD and on Cisco.com. Follow these steps to access and download the Cisco Information Packet and your warranty document from the CD or Cisco.com.

1.Launch your browser, and go to this URL: http://www.cisco.com/univercd/cc/td/doc/es_inpck/cetrans.htm The Warranties and License Agreements page appears.

2.To read the Cisco Information Packet, follow these steps:

a.Click the Information Packet Number field, and make sure that the part number78-5235-02F0is highlighted.

b.Select the language in which you would like to read the document.

c.Click Go.

The Cisco Limited Warranty and Software License page from the Information Packet appears.

d.Read the document online, or click the PDF icon to download and print the document in Adobe Portable Document Format (PDF).

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Cisco Limited Lifetime Hardware Warranty Terms

Note You must have Adobe Acrobat Reader to view and print PDF files. You can download the reader from Adobe’s website:http://www.adobe.com

3.To read translated and localized warranty information about your product, follow these steps:

a.Enter this part number in the Warranty Document Number field: 78-6310-02C0

b.Select the language in which you would like to view the document.

c.Click Go.

The Cisco warranty page appears.

d.Read the document online, or click the PDF icon to download and print the document in Adobe Portable Document Format (PDF).

You can also contact the Cisco service and support website for assistance:

http://www.cisco.com/public/Support_root.shtml.

Duration of Hardware Warranty

A Cisco product hardware warranty is supported for as long as the original end user continues to own or use the product, provided that the fan and power supply warranty is limited to five (5) years. In the event of a discontinuance of product manufacture, the Cisco warranty support is limited to five (5) years from the announcement of the discontinuance.

Replacement, Repair, or Refund Policy for Hardware

Cisco or its service center will use commercially reasonable efforts to ship a replacement part within ten (10) working days after receipt of the Return Materials Authorization (RMA) request. Actual delivery times can vary, depending on the customer location.

Cisco reserves the right to refund the purchase price as its exclusive warranty remedy.

To Receive a Return Materials Authorization (RMA) Number

Contact the company from whom you purchased the product. If you purchased the product directly from Cisco, contact your Cisco Sales and Service Representative.

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Cisco Limited Lifetime Hardware Warranty Terms

Complete the information below, and keep it for reference.

Company product purchased from

Company telephone number

Product model number

Product serial number

Maintenance contract number

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Preface

This preface describes the audience, organization, and conventions of the

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guideand provides information on how to obtain related documentation.

Audience

To use this hardware guide, you should be familiar with electronic circuitry and wiring practices and preferably be an electronic or electromechanical technician.

Organization

This guide is organized as follows:

 

 

Chapter

Title

Description

 

 

 

 

 

 

 

Chapter 1

Product Overview

Lists and describes the hardware features

 

 

 

 

and functionality of the Catalyst 2948G,

 

 

 

 

2948G-GE-TX,and 2980G switches.

 

 

 

 

 

 

 

Chapter 2

Site Planning

Describes how to prepare your site for the

 

 

 

 

installation of the switch.

 

 

 

 

 

 

 

Chapter 3

Installing the

Describes how to install the Catalyst 2948G,

 

 

 

Switch

2948G-GE-TX,and 2980G switches.

 

 

 

 

Provides procedures for removing and

 

 

 

 

installing chassis components.

 

 

 

 

 

 

 

 

 

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Preface

Related Documentation

Chapter

Title

Description

 

 

 

Chapter 4

Gigabit Ethernet

Describes the features and configuration of

 

Port Configuration

the Gigabit Ethernet ports.

 

 

 

Chapter 5

Troubleshooting

Provides troubleshooting guidelines for the

 

the Installation

initial hardware installation and suggests

 

 

steps to help isolate and resolve problems.

 

 

 

Appendix A

Specifications

Lists Catalyst 2948G and 2980G switch

 

 

specifications.

 

 

 

Appendix B

Repacking

Provides procedures to repack your

 

a Switch

Catalyst 2948G or 2980G switch in the event

 

 

that you have to return it to the factory.

 

 

 

Appendix C

Differential Mode

Describes the nature and causes of

 

Delay

differential mode delay (DMD) and ways to

 

 

prevent it.

 

 

 

Appendix D

Translated Safety

Repeats in multiple languages the warnings

 

Warnings

in this guide.

 

 

 

Related Documentation

Refer to the following documents for additional Catalyst 4500 series information:

Software Configuration Guide—Catalyst4500 Series, Catalyst 2948G, and Catalyst 2980G Switches

Command Reference—Catalyst4500 Series, Catalyst 2948G, and Catalyst 2980G Switches

System Message Guide—Catalyst4500 Series, Catalyst 2948G, and Catalyst 2980G Switches

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Conventions

Conventions

This document uses the following conventions:

Convention

Description

 

 

boldface font

Commands and keywords are in boldface.

 

 

italic font

Arguments for which you supply values are in italics.

 

 

 

[

]

Elements in square brackets are optional.

 

 

{ x | y | z }

Alternative keywords are grouped in braces and

 

 

separated by vertical bars.

 

 

[ x | y | z ]

Optional alternative keywords are grouped in brackets

 

 

and separated by vertical bars.

 

 

string

A nonquoted set of characters. Do not use quotation

 

 

marks around the string or the string will include the

 

 

quotation marks.

 

 

screen font

Terminal sessions and information the system displays

 

 

are in screen font.

 

 

boldface screen

Information you must enter is in boldface screen font.

font

 

 

 

italic screen font

Arguments for which you supply values are in italic

 

 

screen font.

 

 

 

^

 

The symbol ^ represents the key labeled Control—for

 

 

example, the key combination ^D in a screen display

 

 

means hold down the Control key while you press the D

 

 

key.

 

 

 

<

>

Nonprinting characters, such as passwords are in angle

 

 

brackets.

 

 

 

Notes use the following conventions:

Note Meansreader take note. Notes contain helpful suggestions or references to material not covered in the publication.

 

 

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Conventions

Cautions use the following conventions:

Caution Meansreader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

Warnings use the following conventions:

Warning IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device. Statement 1071

SAVE THESE INSTRUCTIONS

Waarschuwing BELANGRIJKE VEILIGHEIDSINSTRUCTIES

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt raadplegen.

BEWAAR DEZE INSTRUCTIES

 

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Conventions

Varoitus TÄRKEITÄ TURVALLISUUSOHJEITA

Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla.

SÄILYTÄ NÄMÄ OHJEET

Attention IMPORTANTES INFORMATIONS DE SÉCURITÉ

Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers liés aux circuits électriques et familiarisez-vousavec les procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,référez-vousau numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

Warnung WICHTIGE SICHERHEITSHINWEISE

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führen kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.

BEWAHREN SIE DIESE HINWEISE GUT AUF.

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Conventions

Avvertenza IMPORTANTI ISTRUZIONI SULLA SICUREZZA

Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le traduzioni delle avvertenze riportate in questo documento.

CONSERVARE QUESTE ISTRUZIONI

Advarsel VIKTIGE SIKKERHETSINSTRUKSJONER

Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne enheten.

TA VARE PÅ DISSE INSTRUKSJONENE

Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA

Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos perigos envolvidos no manuseio de circuitos elétricos e familiarize-secom as práticas habituais de prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.

GUARDE ESTAS INSTRUÇÕES

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Conventions

¡Advertencia! INSTRUCCIONES IMPORTANTES DE SEGURIDAD

Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo.

GUARDE ESTAS INSTRUCCIONES

Varning! VIKTIGA SÄKERHETSANVISNINGAR

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Conventions

 

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Obtaining Documentation

Obtaining Documentation

Cisco provides several ways to obtain documentation, technical assistance, and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Cisco.com

You can access the most current Cisco documentation on the World Wide Web at this URL:

http://www.cisco.com/univercd/home/home.htm

You can access the Cisco website at this URL:

http://www.cisco.com

International Cisco websites can be accessed from this URL:

http://www.cisco.com/public/countries_languages.shtml

Documentation CD-ROM

Cisco documentation and additional literature are available in a Cisco Documentation CD-ROMpackage, which may have shipped with your product. The DocumentationCD-ROMis updated regularly and may be more current than printed documentation. TheCD-ROMpackage is available as a single unit or through an annual or quarterly subscription.

Registered Cisco.com users can order a single Documentation CD-ROM(product numberDOC-CONDOCCD=)through the Cisco Ordering tool:

http://www.cisco.com/en/US/partner/ordering/ordering_place_order_ordering_t ool_launch.html

All users can order annual or quarterly subscriptions through the online

Subscription Store:

http://www.cisco.com/go/subscription

 

 

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Ordering Documentation

You can find instructions for ordering documentation at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

You can order Cisco documentation in these ways:

Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from the Networking Products MarketPlace:

http://www.cisco.com/en/US/partner/ordering/index.shtml

Nonregistered Cisco.com users can order documentation through a local account representative by calling Cisco Systems Corporate Headquarters (California, USA.) at 408 526-7208or, elsewhere in North America, by calling 800553-NETS(6387).

Documentation Feedback

You can submit comments electronically on Cisco.com. On the Cisco

Documentation home page, click Feedback at the top of the page.

You can send your comments in e-mailtobug-doc@cisco.com.

You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:

Cisco Systems

Attn: Customer Document Ordering

170 West Tasman Drive

San Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical Assistance

For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, the Cisco Technical Assistance Center (TAC) provides 24-hour, award-winningtechnical support services, online and over the phone. Cisco.com features the Cisco TAC website as an online starting point for technical assistance.

 

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Obtaining Technical Assistance

Cisco TAC Website

The Cisco TAC website (http://www.cisco.com/tac) provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The Cisco TAC website is available 24 hours a day, 365 days a year.

Accessing all the tools on the Cisco TAC website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a login ID or password, register at this URL:

http://tools.cisco.com/RPF/register/register.do

Opening a TAC Case

The online TAC Case Open Tool (http://www.cisco.com/tac/caseopen) is the fastest way to open P3 and P4 cases. (Your network is minimally impaired or you require product information). After you describe your situation, the TAC Case Open Tool automatically recommends resources for an immediate solution. If your issue is not resolved using these recommendations, your case will be assigned to a Cisco TAC engineer.

For P1 or P2 cases (your production network is down or severely degraded) or if you do not have Internet access, contact Cisco TAC by telephone. Cisco TAC engineers are assigned immediately to P1 and P2 cases to help keep your business operations running smoothly.

To open a case by telephone, use one of the following numbers:

Asia-Pacific:+61 2 8446 7411 (Australia: 1 800 805 227)

EMEA: +32 2 704 55 55

USA: 1 800 553-2447

For a complete listing of Cisco TAC contacts, go to this URL:

http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml

TAC Case Priority Definitions

To ensure that all cases are reported in a standard format, Cisco has established case priority definitions.

 

 

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Priority 1 (P1)—Yournetwork is “down” or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.

Priority 2 (P2)—Operationof an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commitfull-timeresources during normal business hours to resolve the situation.

Priority 3 (P3)—Operationalperformance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.

Priority 4 (P4)—Yourequire information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as ordering and customer support services. Access the

Cisco Product Catalog at this URL: http://www.cisco.com/en/US/products/products_catalog_links_launch.html

Cisco Press publishes a wide range of networking publications. Cisco suggests these titles for new and experienced users: Internetworking Terms and Acronyms Dictionary, Internetworking Technology Handbook, Internetworking Troubleshooting Guide, and the Internetworking Design Guide. For current Cisco Press titles and other information, go to Cisco Press online at this URL:

http://www.ciscopress.com

 

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Obtaining Additional Publications and Information

Packet magazine is the Cisco quarterly publication that provides the latest networking trends, technology breakthroughs, and Cisco products and solutions to help industry professionals get the most from their networking investment. Included are networking deployment and troubleshooting tips, configuration examples, customer case studies, tutorials and training, certification information, and links to numerous in-depthonline resources. You can access Packet magazine at this URL:

http://www.cisco.com/go/packet

iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet business strategies for executives. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/en/US/about/ac123/ac147/about_cisco_the_internet_ protocol_journal.html

Training—Ciscooffersworld-classnetworking training. Current offerings in network training are listed at this URL:

http://www.cisco.com/en/US/learning/index.html

 

 

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Product Overview

This chapter provides an overview of the features and components of the Catalyst 2948G, 2948G-GE-TX,and 2980G switches. It contains these sections:

Switch Description, page 1

Switch Components, page 7

Note Throughout this guide,Catalyst 2980G switch refers to both the Catalyst 2980G switch and the Catalyst2980G-Aswitch, unless otherwise noted.

Switch Description

The Catalyst 2948G, 2948G-GE-TX,and 2980G switches are designed forhigh-performance,high-densitywiring-closetapplications.Figure 1-1 throughFigure 1-3 show the switches.

 

 

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Switch Description

Figure 1-1Catalyst 2948G Switch

STATUS

Catalyst 2948G

CONSOLE

1000Base - X

10BaseT

Figure 1-2Catalyst2948G-GE-TXSwitch

Chapter 1 Product Overview

98431

98434

Figure 1-3Catalyst 2980G Switch

10/100/1000

STATUS

ETHERENET

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

5

6

7

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

10

11

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

14

15

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

8

9

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

12

13

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

 

 

 

 

SLOT 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

21

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CATALYST

 

 

23

24

25

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

 

 

 

 

 

 

 

 

27

28

29

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2986

 

 

 

 

 

 

 

 

 

 

 

31

32

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

34

35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

39

40

41

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

44

 

 

 

 

48

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

46

47

48

 

 

 

21

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

24

25

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONSOLE

 

 

 

 

 

 

 

SLOT 3

 

27

28

29

30

 

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10MB MGT

 

 

 

 

 

 

 

 

 

 

31

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

 

 

 

 

 

 

 

RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50747

The Catalyst 2948G, 2948G-GE-TX,and 2980G switches interface with networking equipment using Ethernet(10BASE-T),Fast Ethernet(100BASE-T),and Gigabit Ethernet(1000BASE-T)interfaces. Depending on the model, the switches also support Gigabit Interface Converters (GBICs) or smallform-factorpluggable (SFP) modules.

 

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The Catalyst 2948G switch has 48 autosensing and autoconfiguring 10/100BASE-TFast Ethernet fixed ports. The Catalyst2948G-GE-TXswitch has 48 autosensing and autoconfiguring10/100/1000BASE-Tports. The

Catalyst 2980G switch has 80 autosensing and autoconfiguring 10/100BASE-TFast Ethernet fixed ports.

GBIC Module Support

The Catalyst 2948G and 2980G switches each have two Gigabit Ethernet uplink ports with modular Gigabit Interface Converters (GBICs).

A GBIC is a hot-swappableinput/output device that plugs into a Gigabit Ethernet port module and links the port module with afiber-opticnetwork. For a detailed description of Gigabit Ethernet ports, see the“GBIC Features” section on

page 4-2.

For a complete list of supported GBIC modules, see Table 4-1 on page 4-3.

Note The Catalyst2948G-GE-TXswitch does not support GBIC modules.

The Gigabit Ethernet ports can be configured with any combination of GBIC types.

The Gigabit Ethernet ports on these modules are used primarily for backbone interconnection of other high-performanceswitches and routers.

SFP Module Support

The Catalyst 2948G-GE-TXswitch has four smallform-factorpluggable (SFP) module slots. The switch uses SFP modules to establish Gigabit connections. The SFP module slots are located on the front of the switch.

An SFP module is a hot-swappableinput/output device that plugs into an SFP module slot, linking the port module with afiber-opticnetwork.

For a list of SFP modules supported by the Catalyst 2948G-GE-TXswitch, seeTable 4-4 on page 4-12.

 

 

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Note Catalyst2948G-GE-TXswitch only supports 1000 Mbps andfull-duplexmodes on SFP modules.

Except for the 1000BASE-TSFP module, all of the SFP modules are used to establishfiber-opticconnections. You usefiber-opticcables with Lucent (LC) connectors to connect to an SFP module. The SFP modules support 850 to 1550 nanometer nominal wave lengths. Thesefield-replaceablemodules provide the uplink optical interfaces, laser send (TX) and laser receive (RX). For a detailed description of Gigabit Ethernet ports see the“Connecting To an SFP Module” section on page 4-12.

Switch Features

Table 1-1 describes the Catalyst 2948G,2948G-GE-TX,and 2980G switch features.

Table 1-1Catalyst 2948G,2948G-GE-TX,and 2980G Switch Features

Feature

Description

 

 

Ethernet speeds

Ethernet(10BASE-T)interface to workstations and repeaters

 

Fast Ethernet(100BASE-T)interface to workstations, servers,

 

switches, and routers

 

Note Autonegotiation of link speed on each 10/100 and 10/100/1000

 

port allows migration to 100BASE-Tor1000BASE-Tfrom a

 

10BASE-Tor100BASE-Tinstalled base.

 

Gigabit Ethernet(1000BASE-T)copper and Gigabit Ethernet

 

(1000BASE-X)fiber-opticinterface for backbone interconnection of

 

high-performanceswitches and routers

 

 

Standard management and

Layer 2 forwarding with an aggregate forwarding rate of greater than

support

17.8 million packets per second

 

16,000 MAC addresses per system

 

 

 

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Switch Description

Table 1-1Catalyst 2948G,2948G-GE-TX,and 2980G Switch Features (continued)

Feature

Description

 

 

Standard management and

Up to 1,024 VLANs with IEEE 802.1Q VLAN tagging on all ports

support (continued)

and support for VTP1

 

Port aggregation using PAgP2 for100-Mbpsand1-Gbps

 

EtherChannel

 

 

Software management

CLI3 and SNMP interfaces consistent with the Catalyst 4500 series

 

and 6500 family switches

 

Development of new features compatible with the Catalyst 6500

 

family switches

 

Out-of-bandmanagement through theRJ-4510BASE-Tconsole

 

serial port

 

10BASE-Tout-of-bandmanagement andin-bandmanagement

 

through any switch port with SNMP, Telnet client, and TFTP

 

Note The Catalyst2948G-GE-TXand2980G-Aswitches have a

 

 

10/100BASE-Tmanagement port.

 

RMON4 with RMON 1

 

Standard Layer 2 elements:

 

802.1D Spanning Tree

 

CDP5

 

VTP6 version 2 with pruning extensions

 

CGMP7 client

 

 

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Table 1-1Catalyst 2948G,2948G-GE-TX,and 2980G Switch Features (continued)

Feature

Description

Embedded management

Full SNMP implementation, includingentity-MIB,all relevant

 

standard MIBs, and all relevant Cisco MIBs

 

The first four RMON groups (Ethernet statistics, Alarms, Events, and

 

History) supported on a per port basis without an optional RMON

 

processing module

 

Redirection of traffic from any port to a “sniff” port. (Any switching

 

port can be designated as a “sniff” port.)

 

Performance management information

 

 

Power supplies

120 W AC internal power supply on the Catalyst 2948G switch

156 W AC internal power supply on the Catalyst 2948G-GE-TXswitch

175 W AC internal power supply on the Catalyst 2980G switch

1.VTP = VLAN Trunking Protocol

2.PAgP = Port Aggregation Protocol

3.CLI = command-lineinterface

4.RMON = Remote Monitoring

5.CDP = Cisco Discovery Protocol

6.VTP = Virtual Terminal Protocol

7.CGMP = Cisco Group Management Protocol

Port Locations

This section describes the port locations and numbering on the switches.

10/100 and 10/100/1000 Ports

The 10/100 and 10/100/1000 ports are configured in vertical pairs. Each vertical pair has two Link Status LEDs below it. The LED on the left is for the top port; the LED on the right is for the bottom port. For example, LED 1 is for the upper port (port 1) and LED 2 is for the bottom port (port 2).

 

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Catalyst 2948G and 2980G Switch Ports

The Catalyst 2948G switch 10/100BASE-Tports are configured in two rows. The top row containsodd-numberedports (1 through 47), and the bottom row containseven-numberedports (2 through 48).

The Catalyst 2980G switch 10/100BASE-Tports are configured in four rows. The top two rows are numbered 1 through 48, with the first rowodd-numbered(1 through 47) and the second roweven-numbered(2 through 48). The bottom two rows are numbered 1 through 32, with the first rowodd-numbered(1 through 31) and the second roweven-numbered(2 through 32).

Two GBIC ports are at the right of the front panel on the Catalyst 2948G and

Catalyst 2980G switches:

On the Catalyst 2948G switches, these ports are located at the far right of the front panel. The upper Gigabit Ethernet port is port 49; the lower is port 50. The Link Status LEDs for these ports are below port 50.

On the Catalyst 2980G switches, the GBIC Ethernet ports are located immediately to the right of ports 31 and 32. The port on the left is port 33; the port on the right is port 34. The Link Status LEDs for the Gigabit Ethernet ports are located below each port.

Catalyst 2948G-GE-TXSwitch Ports

The Catalyst 2948G-GE-TX10/100/1000BASE-TGigabit Ethernet ports are configured in two rows. The top row containsodd-numberedports (1 through 47), and the bottom row containseven-numberedports (2 through 48).

The SFP module slots are numbered left to right 49 through 52.

Switch Components

This section describes the following Catalyst 2948G and 2980G switch components:

Management Ports, page 8

Front Panel LEDs, page 8

 

 

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Switch Components

Airflow, page 9

Power Supplies, page 11

Management Ports

The Catalyst 2948G, 2948G-GE-TX,and 2980G switches have two kinds of management ports: console serial and Ethernet. The Catalyst 2948G switches have a10BASE-Tmanagement port. The Catalyst2948G-GE-TXand2980G-Aswitches have a10/100BASE-Tmanagement port.

Table 1-2 on page 1-9 lists the management options for the switches.

Console Serial Port

An RJ-45console serial port allows you to performswitch-managementfunctions using a terminal. SeeTable A-1 on page A-1 for the console connector pinouts.

10BASE-Tand10/100BASE-TPorts

An RJ-4510BASE-Tport allows you to perform TCP/IPswitch-managementfunctions (Telnet, SNMP, FTP), configure IP addresses with BOOTP, and download software images.

Note The Catalyst2948G-GE-TXand2980G-Aswitches have a10/100BASE-Tmanagement port.

This port is for network management only; it is not for switching. Connectivity is not available between this port and the 10/100BASE-Tswitching ports.

Front Panel LEDs

The LEDs on the front panels of the Catalyst 2948G, 2948G-GE-TX,and 2980G switches perform the following functions:

STATUS LEDs indicate the operating state of the switches.

Link Status LEDs provide management and indicate switching port status.

 

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Switch Components

PSI LED indicates the internal power supply status on the Catalyst 2948G switch.

PWR LED indicates the internal power supply status on the Catalyst 2980G switch.

RPS LED provides the external redundant power supply status.

Table 1-2 describes the LEDs.

Table 1-2Front Panel LEDs

LED

Color/Statue

Description

 

 

 

STATUS

 

Indicates the results of a series of self-testdiagnostics.

 

Green

All tests pass.

 

Red

A test other than an individual port test fails.

 

Amber

System boot or diagnostic tests in progress.

 

Off

Switch is disabled.

 

 

 

Link Status

 

Indicates the link status of a port.

 

Green

Port is operational.

 

Amber

Port is disabled by user.

 

Flashing

Power-onself-testindicates faulty port.

 

Off

No signal detected, or link configuration failure.

 

 

 

PSI, PWR, and RPS

 

Indicates power supply operation or failure.

 

Green

Power supply is operational.

 

Amber

Power supply has failed or is in Standby mode.

 

 

 

Airflow

Note For environmental specifications, seeChapter 2, “Site Planning.”

On the Catalyst 2948G and 2980G switches, the system fan assembly provides cooling air for the internal chassis components. The fans exhaust warm air from one end and draw in cool air at the other end.

 

 

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Switch Components

If an individual fan fails, the other fans continue to run. Sensors monitor the internal air temperatures. If the air temperature exceeds a tolerable threshold, the environmental monitor displays warning messages.

On the Catalyst 2948G-GE-TX,a blower system draws cool air in from the front and sides of the switch and exhausts air out the back.

Figure 1-4 shows the direction of airflow through the Catalyst 2948G switch.

Figure 1-5 shows the direction of airflow through the Catalyst2948G-GE-TXswitch.

Figure 1-6 shows the direction of airflow through the Catalyst 2980G switch.

Figure 1-4Catalyst 2948G Airflow

STATUS

Catalyst 2948G

CONSOLE

1000Base - X

10BaseT

98432

Figure 1-5Catalyst2948G-GE-TXAirflow

98720

 

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Figure 1-6Catalyst 2980G Airflow

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLOT 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

5

6

7

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

12

13

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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20

21

22

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CATALYST 2986

10/100/1000 ETHE

RENET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

25

26

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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1

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3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

29

30

31

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

7

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9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

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37

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45

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23

24

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26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONSOLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLOT 3

 

27

28

29

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32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10MB MGT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

 

 

 

 

 

 

 

RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWR

 

 

 

 

 

Switch Components

32064

Power Supplies

There is no power switch on the switches. AC power is present in the power supply when the power cord is plugged in.

The environmental monitoring and reporting functions allow you to maintain normal system operation by correcting adverse environmental conditions before loss of operation.

Each power supply monitors its own temperature and output voltages. If the power supply becomes excessively hot, it shuts down to prevent damage. The switches monitor the operating condition of the power supply and report the status using switch software.

The switches have the following power supplies:

120 W AC internal power supply—Catalyst2948G switch

156 W AC internal power supply—Catalyst2948G-GE-TXswitch

175 W AC internal power supply—Catalyst2980G switch

156 W AC internal power supply—Catalyst2980G-Aswitch

Note For complete power specifications for the Catalyst 2948G,2948G-GE-TX,and 2980G switches, seeAppendix A, “Specifications.”

These switches also be used with an optional Cisco Redundant Power System (RPS).

 

 

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Chapter 1 Product Overview

Switch Components

The Catalyst 2948G switch uses the Cisco RPS 600 AC power supply (PWR600-AC-RPS-CAB).

The Cisco RPS 600 supports four external devices that use up to 150 W DC each. Use a one-to-onecable (one connector at each cable end) to connect four external devices to the four DC output power modules.

The power source is partially redundant. There are two AC input power modules for the Cisco RPS and one DC output power module for each external device. The AC input to the Cisco RPS is fully redundant, but the DC output to the external devices is not.

Warning Attach only the Cisco RPS (modelPWR600-AC-RPS)to the RPS receptacle.

Statement 112

The Catalyst 2948G-GE-TXswitch uses the Cisco RPS 675 (modelPWR675-AC-RPS-N1).

The RPS 675 supports six external network devices and provides DC power to one failed device at a time. It automatically senses when the internal power supply of a connected device fails and provides power to that device, which prevents loss of network traffic.

Warning Attach only the Cisco RPS (modelPWR675-AC-RPS-N1=)to the RPS receptacle.

Statement 100C

The Catalyst 2980G-Aswitch uses the Cisco RPS 300(PWR300-AC-RPS-N1).

The RPS 300 supports six external network devices and provides power to one failed device at a time. It automatically senses when the power supply of a connected device fails and provides the necessary power to the failed device to prevent loss of network traffic. When the internal power supply of the device has been brought up or replaced, the RPS automatically stops powering the device.

Warning Attach only the Cisco RPS (modelPWR300-AC-RPS-N1)to the RPS receptacle.

Statement 100B

 

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Chapter 1 Product Overview

Switch Components

A Cisco RPS can only power one switch at a time. If more than one switch fails at the same time, any subsequent switch is not supported by the RPS until the first switch failure is resolved. For more information, refer to the documentation that was included with your RPS.

On the Catalyst 2948G switch, you must use a Y cable to connect the switch to two RPS 600 power supplies. Each RPS 600 has status LEDs (PSI and RPS).

On the Catalyst 2980G-Aswitch, each RPS 300 power supply has an individual power cord and has status LEDs (PSI, PWR, and RPS).

The RPS uses redundant power supplies. If one of the power supplies in the RPS fails, the RPS will automatically switch over to the other power supply without forcing the switch to reboot.

Note On the Catalyst2948G-GE-TXand 2948G switches, only one power source can supply power to the switch at any one time. When you are using an RPS, unplug the local power cord for the switch. If you are using the local power supply, the RPS can be connected but must not be powered on. The switches can be powered by both the internal power supply and the RPS at the same time.

 

 

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Chapter 1 Product Overview

Switch Components

 

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C H A P T E R 2

Site Planning

Warning Before you install, operate, or service the system, read theSite Preparation and Safety Guide. This guide contains important safety information you should know before working with the system.Statement 200

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.Statement 1030

This chapter describes how to prepare your site for the installation of your switch and contains these sections:

Site Power Requirements and Heat Dissipation, page 2

System Ground Connection Guidelines (Catalyst 2948G and 2980G Switches Only), page 3

Site-Planning Checklist, page 7

Note See the “Site-Planning Checklist” section on page 7 to help ensure that you complete all site-planning activities before you install the switch.

 

 

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Chapter 2 Site Planning

Site Power Requirements and Heat Dissipation

Site Power Requirements and Heat Dissipation

Note Catalyst 2948G,2948G-GE-TX,and 2980G switches have internal power supplies. All of the switches support Cisco Redundant Power System (RPS) for redundant operation.

This section provides site power requirements and heat dissipation specifications for the Catalyst 2948G, 2948G-GE-TX,and 2980G switches. You should verify site power before you install a switch.

Power requirements can vary for each Catalyst switch. Knowing the power requirements can be useful for planning the power distribution system needed to support the switches. Heat specifications are used for determining the air-conditioningrequirements for an installation.

Note Refer to theSite Preparation and Safety Guide for site power requirements, preinstallation requirements, and EMI recommendations.

Table 2-1 describes the power requirements and heat dissipation specifications for the Catalyst 2948G,2948G-GE-TX,and 2980G switches.

Table 2-1Power Requirements and Heat Dissipation Specifications

 

Power

 

 

 

 

Supply

AC Input

 

 

Model Number/

Output

Power

Heat Diss

 

Module Type

(Watts)

(Watts)

(BTU/Hr)

AC Input Current (Amps)

 

 

 

 

 

Catalyst 2948G switch

120

200

645

90 VAC: 2.0

 

 

 

 

120 VAC: 1.6

 

 

 

 

180 VAC: 1.0

 

 

 

 

240 VAC: 0.9

 

 

 

 

 

Catalyst 2948G-GE-TXswitch

156

130

445

100 VAC: 1.5

 

 

 

 

240 VAC: 0.8

 

 

 

 

 

 

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Chapter 2 Site Planning

System Ground Connection Guidelines (Catalyst 2948G and 2980G Switches Only)

Table 2-1Power Requirements and Heat Dissipation Specifications (continued)

 

Power

 

 

 

 

Supply

AC Input

 

 

Model Number/

Output

Power

Heat Diss

 

Module Type

(Watts)

(Watts)

(BTU/Hr)

AC Input Current (Amps)

 

 

 

 

 

Catalyst 2980G switch

175

300

950

90 VAC: 3.0

 

 

 

 

120 VAC: 2.4

 

 

 

 

180 VAC: 1.6

 

 

 

 

240 VAC: 1.0

 

 

 

 

 

Catalyst 2980G-Aswitch

156

208

670

90 VAC: 2.3

 

 

 

 

120 VAC: 1.7

 

 

 

 

180 VAC: 1.1

 

 

 

 

240 VAC: 0.9

 

 

 

 

 

System Ground Connection Guidelines

(Catalyst 2948G and 2980G Switches Only)

Two system (earth) grounding holes are provided in an enclosure near the power supplies.

Note These guidelines do not apply to the Catalyst2948G-GE-TXswitches.

See Figure 2-1 for the location of the grounding holes on the Catalyst 2948G switches andFigure 2-2 for the location on the Catalyst 2980G switches.

 

 

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Chapter 2 Site Planning

System Ground Connection Guidelines (Catalyst 2948G and 2980G Switches Only)

Figure 2-1Grounding Holes on the Catalyst 2948G Switch

33110

M4 screw holes (2)

Figure 2-2Grounding Holes on the Catalyst 2980G Switch

33109

M4 screw holes (2)

To make an adequate grounding connection, you need these components and tools:

Grounding lug—Thegrounding lug must have two M4 screw holes. SeeFigure 2-1 for the location of the M4 screw holes on the Catalyst 2948G switch andFigure 2-2 for the Catalyst 2980G switch.

The grounding lugs are not available from Cisco Systems; any electrical-connectorvendor can provide this lug.

Two M4 (metric) hex-headscrews with lockingwashers—Thesescrews are not available from Cisco Systems; they are available from any commercial hardware vendor.

One grounding wire (6 AWG recommended)—Thelength of the grounding wires depends on the location of your switch within the site and its proximity to proper grounding facilities. The grounding wire is not available from Cisco Systems; it is available from any commercial cable vendor.

 

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Chapter 2 Site Planning

System Ground Connection Guidelines (Catalyst 2948G and 2980G Switches Only)

Number 2 Phillips head screwdriver.

Crimping tool—Thismust be large enough to accommodate the girth of the grounding lug when you crimp the grounding cable into the lug.

Wire-strippingtool.

Connecting the Switch to Earth Ground

This procedure describes how to connect the Catalyst 2948G, 2948G-GE-TX,and 2980G switches to earth ground. We strongly recommend that you complete this procedure before connecting system power or turning on your switch.

To attach the grounding lug and cable to the grounding pad on the Catalyst 2948G, 2948G-GE-TX,and 2980G switches, follow these steps:

Step 1 Use awire-strippingtool to remove approximately 0.75 inches (19 mm) of the covering from the end of the grounding wire.

Step 2 Insert the stripped end of the grounding wire into the open end of the grounding lug.

Step 3 Use the crimping tool to secure the grounding wire in place in the grounding lug.

Step 4 Locate the grounding pad on the switch.

See Figure 2-3 for the location of the grounding pad on the Catalyst 2948G switch andFigure 2-4 for the Catalyst 2980G switch.

 

 

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Chapter 2 Site Planning

System Ground Connection Guidelines (Catalyst 2948G and 2980G Switches Only)

Figure 2-3Connecting System Ground on the Catalyst 2948G Switch

33112

Wire

Grounding

pad

Screws

Grounding lug

Figure 2-4Connecting System Ground on the Catalyst 2980G Switch

33111

Wire

Grounding

pad

Screws

Grounding lug

Step 5 Remove the label that covers the grounding pad.

Step 6 Place the grounding lug against the grounding pad on the rear panel of the switch.

Step 7 Install locking washers; tighten them to secure the grounding lug to the grounding pad.

Step 8 Insert two screws through the holes in the grounding lug and the grounding pad. Ensure that the grounding lug and the attached wire will not interfere with other switch hardware or rack equipment.

 

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Chapter 2 Site Planning

Site-PlanningChecklist

Step 9 Prepare the other end of the grounding wire and connect it to an appropriate grounding point at your site to ensure adequate earth ground for the switch.

Site-PlanningChecklist

Table 2-2 lists thesite-planningactivities that you should complete before you install the Catalyst 2948G,2948G-GE-TX,and 2980G switches. Completing each activity helps ensure a successful switch installation.

Table 2-2Site-PlanningChecklist

Task No.

Planning Activity

Verified By

Time

Date

 

 

 

 

 

1

Space evaluation:

 

 

 

 

Space and layout

 

 

 

 

Floor covering

 

 

 

 

Impact and vibration

 

 

 

 

Lighting

 

 

 

 

Maintenance access

 

 

 

 

 

 

 

 

2

Environmental evaluation:

 

 

 

 

Ambient temperature

 

 

 

 

Humidity

 

 

 

 

Altitude

 

 

 

 

Atmospheric contamination

 

 

 

 

Airflow

 

 

 

 

 

 

 

 

3

Power evaluation:

 

 

 

 

Input power type

 

 

 

 

Proximity of receptacle to the equipment

 

 

 

 

Dedicated (separate) circuits for redundant power supplies

 

 

 

 

UPS for power failures

 

 

 

 

 

 

 

 

4

Grounding evaluation:

 

 

 

 

Circuit breaker size

 

 

 

 

 

 

 

 

 

 

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Chapter 2 Site Planning

Site-PlanningChecklist

Table 2-2Site-PlanningChecklist (continued)

Task No.

Planning Activity

Verified By

Time

Date

 

 

 

 

 

5

Cable and interface equipment evaluation:

 

 

 

 

Cable type

 

 

 

 

Connector type

 

 

 

 

Cable distance limitations

 

 

 

 

Interface equipment (transceivers)

 

 

 

 

 

 

 

 

6

EMI evaluation:

 

 

 

 

Distance limitations for signaling

 

 

 

 

Site wiring

 

 

 

 

RFI levels

 

 

 

 

 

 

 

 

 

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C H A P T E R 3

Installing the Switch

Warning Before you install, operate, or service the system, read theSite Preparation and Safety Guide. This guide contains important safety information you should know before working with the system.Statement 200

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.Statement 1030

This chapter describes how to install the Catalyst 2948G, 2948G-GE-TX,

and 2980G switches. For first-timeinstallations, perform the procedures in these sections in the order listed:

Preparing for Installation, page 2

Installing the Catalyst 2948G and 2980G Switches, page 6

Installing the Catalyst 2948G-GE-TX Switch, page 9

Connecting Power to the Switches, page 19

Connecting a Terminal to the Console Serial and Ethernet Management Ports, page 22

Note Before starting the installation procedures in this chapter, complete thesite-planningchecklist inChapter 2, “Site Planning.”

 

 

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Chapter 3 Installing the Switch

Preparing for Installation

Preparing for Installation

This section provides information about these topics:

EMC Regulatory Statements, page 2

Checking the Shipping Container, page 4

EMC Regulatory Statements

This section includes specific regulatory statements about the switches.

U.S.A.

U.S. regulatory information for this product is in the front matter of this manual.

Taiwan

Warning This is a Class A Information Product, when used in residential environment, it may cause radio frequency interference, under such circumstances, the user may be requested to take appropriate countermeasures.

 

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Chapter 3 Installing the Switch

Preparing for Installation

VCCI Class A Notice for Japan

Warning This is a Class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio disturbance may arise. When such trouble occurs, the user may be required to take corrective actions.

Korea

Warning This is a Class A Device and is registered for EMC requirements for industrial use. The seller or buyer should be aware of this. If this type was sold or purchased by mistake, it should be replaced with aresidential-usetype.

 

 

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Chapter 3 Installing the Switch

Preparing for Installation

Class A Notice for Hungary

Warning This equipment is a class A product and should be used and installed properly according to the Hungarian EMC Class A requirements (MSZEN55022). Class A equipment is designed for typical commercial establishments for which special conditions of installation and protection distance are used.

Checking the Shipping Container

Do not discard the packing carton and other packing materials after you unpack the switch. Flatten the packing carton and store it. You will need the packing materials if you need to move or ship the switch in the future. Repacking instructions are provided in Appendix B, “Repacking a Switch.”

Check the contents of the accessory kit against the accessories checklist and the packing slip. Verify that you received all listed equipment.

Catalyst 2948G and 2980G Switches

The Catalyst 2948G and 2980G switches are shipped with these items:

This hardware guide

AC power cord

RJ-45toDB-9cable

DB-9toRJ-45cable

 

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Chapter 3 Installing the Switch

Preparing for Installation

ESD wrist strap

Mounting kit

Catalyst 2948G-GE-TXSwitches

The Catalyst 2948G-GE-TXswitch is shipped with these items:

This hardware guide

About the Catalyst 2948G Documentation flyer

AC power cord

One RJ-45-to-DB-9adapter cable(78-3383-XX)

Mounting kit containing:

Four rubber feet for mounting the switch on a table (51-0089)

Two 19-inchrack-mountingbrackets(700-08209-XX)

Four Phillips machine screws for attaching the brackets to a rack (48-0655-XX)

One cable guide (700-05613-XX)

One black Phillips machine screw for attaching the cable guide to one of the mounting brackets (48-0654-XX)

One Redundant Power System (RPS) connector cover for wall mounting (700-16465-XX)

Two Phillips pan-headscrews for attaching the RPS cover(48-0482-XX)

Four Phillips truss-headscrews for attachingwall-mountingbrackets(48-0656-XX)

Four Phillips pan-headscrews for attaching the switch to a rack(48-0523-XX)

 

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G and 2980G Switches

Installing the Catalyst 2948G and 2980G Switches

Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:

This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack.

If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack. Statement 1006

A standard rack-mountkit is included for mounting the switch in a

standard 19-inch(48.3 cm) equipment rack with two unobstructed outer posts. This kit is not suitable for racks with obstructions (such as a power strip) that could impair access to the switch.

Required Installation Tools

You will need the following tools and equipment to install the switch chassis in a rack:

Rack-mountkit

Tape measure and level

Number 1 Phillips, number 2 Phillips, or a 3/16-inchflat-bladescrewdriver

Antistatic mat or antistatic foam

Your own electrostatic discharge (ESD) grounding strap or the disposable ESD strap included with the switch

Note For more information about ESD, refer to theSite Preparation and Safety Guide.

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G and 2980G Switches

Rack-Mountingthe Catalyst 2948G and 2980G Switches

To install Catalyst 2940G and 2980G switches in a 19-inchrack, follow these steps:

Step 1 Prepare for installation as follows:

a.Place the chassis on the floor or on a sturdy table, as close as possible to the rack. Leave enough clearance to allow yourself to move around the chassis.

b.Use the tape measure to measure the depth of the rack. Measure from the outside of the front-mountingposts to the outside of therear-mountingstrip. The depth must be at least 19.25 inches (48.9 cm) and not greater than

32 inches (81.3 cm).

c.Measure the space between the inner edges of the left frontand right frontmounting posts to ensure that it is 17.75 inches (45.09 cm) wide. (The chassis is 17.5 inches [44 cm] wide and must fit between the mounting posts. See Figure 3-2.)

d.Open the rack-mountkit and refer to the component checklist inTable 3-1 to verify that all parts are included.

Table 3-1Rack-MountKit Checklist

Part Description

Quantity

 

 

L brackets

2

 

 

M4 Phillips pan-headscrews

4

 

 

12-24x3/4-inchPhillipsbinder-headscrews

6

 

 

Note Some equipment racks have a power strip along the length of one of the rear posts. If the rack has this feature, consider the position of the strip when planning fastener points. Before installing the L brackets on the chassis, determine whether to install the chassis from the front or the rear of the rack.

Step 2 Attach the left and right L brackets using the four M4 Phillipspan-headscrews provided in therack-mountkit (seeFigure 3-1).

 

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G and 2980G Switches

The L brackets connect the switch chassis to the rack. You can mount the

L brackets to the frontor rear-mountingholes of the chassis, depending on which end is in the front of the rack.

Note The Catalyst 2948G switch is shown in therack-mountingillustrations. Therack-mountingprocedure for the Catalyst 2980G switch is the same.

Figure 3-1Attaching the L Brackets

STATUS

Catalyst 2948G

CONSOLE

1000Base - X

10BaseT

98435

Step 3 Figure 3-2 shows how to attach the front of the switch to the rack. You can also attach the rear of the switch to the rack, depending on the configuration of your rack.

Install the chassis in the rack as follows:

a.Position the switch chassis in the rack (see Figure 3-2):

If the chassis front panel is to be in the front of the rack, insert the rear of the chassis between the mounting posts.

If the rear of the chassis is to be in the front of the rack, insert the front of the chassis between the mounting posts.

b.Align the mounting holes in the L bracket with the mounting holes in the equipment rack.

c.Secure the chassis using six 12-24x3/4-inchscrews (three per side) through the elongated holes in the L bracket and into the threaded holes in the mounting post.

d.Use the tape measure and level to ensure that the chassis is installed straight and level.

 

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Chapter 3 Installing the Switch

Figure 3-2Installing the Switch in the Rack

17.75 inches (45.09 cm)

STATUS

Catalyst 2948G

CONSOLE

1000Base - X

10BaseT

Installing the Catalyst 2948G-GE-TXSwitch

98436

Installing the Catalyst 2948G-GE-TXSwitch

Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:

This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack.

If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack. Statement 1006

 

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

To install a Catalyst 2948G-GE-TXswitch, follow the steps described in these procedures:

Rack-Mounting the Catalyst 2948G-GE-TX Switch, page 10

Wall-Mounting the Catalyst 2948G-GE-TX Switch, page 16

Mounting the Catalyst 2948G-GE-TX Switch on a Table or Shelf, page 19

Rack-Mountingthe Catalyst2948G-GE-TXSwitch

To install a Catalyst 2948G-GE-TXswitch in a19-inchrack(24-inchracks require optional mounting hardware), follow the instructions described in these procedures:

Removing Screws from the Switch, page 10

Attaching Brackets to the Switch, page 11

Mounting the Switch in a Rack, page 14

Attaching the Cable Guide, page 15

Attaching the Brackets to the Switch for Wall-Mounting, page 16

Attaching the RPS Connector Cover, page 17

Mounting the Switch on a Wall, page 17

Mounting the Catalyst 2948G-GE-TX Switch on a Table or Shelf, page 19

Note Installing the switch in a24-inchrack requires an optional bracket kit not included with the switch. You can order a kit containing the24-inchrack-mountingbrackets and hardware (order part numberRCKMNT-1RU=)from Cisco.

Removing Screws from the Switch

If you plan to install the switch in a rack, you must first remove screws in the switch chassis so that mounting brackets can be attached. Figure 3-3 shows how to remove the chassis screws from the switch.

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Figure 3-3Removing Screws from the Catalyst2948G-GE-TXSwitch

Attaching Brackets to the Switch

The bracket orientation and the brackets you use depend on whether you are attaching the brackets for a 19-inchor a24-inchrack. For19-inchracks, use the brackets that are included in the mounting kit.

Note Installing the switch in a24-inchrack requires an optional bracket kit not included with the switch. You can order a kit containing the24-inchrack-mountingbrackets and hardware (order part numberRCKMNT-1RU=)from Cisco.

Figure 3-4 throughFigure 3-9 show how to attach each type of bracket to one side of the switch. Follow the same steps to attach the second bracket to the opposite side of the switch.

 

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Figure 3-4Attaching Brackets for19-InchRacks, Front Panel Forward

1

1 Phillipsflat-headscrews

Figure 3-5Attaching Brackets for19-InchRacks, Rear Panel Forward

98657

1

1 Phillipsflat-headscrews

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Figure 3-6Attaching Brackets for24-InchRacks, Front Panel Forward

1

1 Phillipsflat-headscrews

Figure 3-7Attaching Brackets for24-InchRacks, Rear Panel Forward

98662

1

1 Phillipsflat-headscrews

 

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Figure 3-8Attaching Brackets for19-InchTelco Racks

1

98663

 

1 Phillipsflat-headscrews

Figure 3-9Attaching Brackets for24-InchTelco Racks

1

98664

1 Phillipsflat-headscrews

Mounting the Switch in a Rack

After the brackets are attached to the switch, use the four supplied number-12Phillips machine screws to securely attach the brackets to the rack, as shown inFigure 3-10.

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Figure 3-10Mounting the Catalyst2948G-GE-TXSwitch In a Rack

98665

1

1 Phillips machine screws

Attaching the Cable Guide

We recommend attaching the cable guide to the left or right bracket to prevent the cables from obscuring the front panel of the switch and the other devices installed in the rack. Use the supplied black screw, as shown in Figure 3-11,to attach the cable guide to the left or right bracket.

Figure 3-11Attaching the Cable Guide on the Catalyst2948G-GE-TXSwitch

1

1 Cable guide screw

98666

Note The Catalyst2948G-GE-TXswitch ships with a special cable guide, as shown inFigure 3-11.This cable guide secures up to 48 cables. Use the supplied black screw to mount it on the left or right bracket.

 

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Wall-Mountingthe Catalyst2948G-GE-TXSwitch

To install the Catalyst 2948G-GE-TXswitch on a wall, follow the instructions in these procedures:

Attaching the Brackets to the Switch for Wall-Mounting, page 16

Attaching the RPS Connector Cover, page 17

Mounting the Switch on a Wall, page 17

Attaching the Brackets to the Switch for Wall-Mounting

Figure 3-12 shows how to attach a19-inchbracket to one side of the switch. Follow the same steps to attach the second bracket to the opposite side of the switch.

Figure 3-12Attaching the19-InchBrackets forWall-Mounting

1

1 Phillipstruss-headscrews

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Attaching the RPS Connector Cover

If you are not using a Cisco RPS with your switch, use the two Phillips pan-headscrews to attach the RPS connector cover to the back of the switch before you mount it, as shown inFigure 3-13.

Warning If an RPS is not connected to the switch, install an RPS connector cover on the back of the switch.Statement 265

Figure 3-13Attaching the RPS Connector Cover on the Catalyst2948G-GE-TXSwitch

SPECIFIED SUPPLY

+12v

IN M

ANUAL

 

@8.5a

 

 

98668

1

2

3

1

Phillips pan-headscrews

3 RPS connector

2

RPS connector cover

 

Mounting the Switch on a Wall

For the best support of the switch and cables, make sure the switch is attached securely to wall studs or to a firmly attached plywood mounting backboard. Mount the switch with the front panel facing up, as shown in Figure 3-14.

 

 

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Chapter 3 Installing the Switch

Installing the Catalyst 2948G-GE-TXSwitch

Warning To comply with safety regulations, mount the switches on a wall with the front panel facing up.Statement 266

Figure 3-14Mounting the Switch on a Wall

1

1

98669

1 User-suppliedscrews

 

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Chapter 3 Installing the Switch

Connecting Power to the Switches

Mounting the Catalyst 2948G-GE-TXSwitch on a Table or Shelf

To install the switch on a table or shelf, follow these steps:

Step 1 Locate the adhesive strip with the rubber feet in themounting-kitenvelope.

Step 2 Attach the four rubber feet to the recessed areas on the bottom of the unit.

Step 3 Place the switch on the table or shelf near an AC power source.

Connecting Power to the Switches

To connect power to Catalyst 2948G, 2948G-GE-TX,and 2980G switches, follow these steps:

Step 1 Before you connect the power supply to a power source, ensure that all site power and grounding requirements described in“Site Planning” section on page 2-1 have been met.

Step 2 Plug the power cord into the chassis.

Step 3 Connect the other end of the power cord to anAC-powerinput source.

Step 4 Verify power supply operation by checking the front panel power supply LEDs:

When the power supply is operational, the LED is green.

When the power supply has failed, the LED is amber.

From the system console, enter the show system command to display the power supply and system status. For more information on commands, refer to the command reference for your switch.

 

 

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Chapter 3 Installing the Switch

Connecting to 10/100 and 10/100/1000 Ports

If the LEDs or the show system command indicate a power problem or other system problem, seeAppendix D, “Translated Safety Warnings” for more information.

Connecting to 10/100 and 10/100/1000 Ports

The 10/100 ports on the Catalyst 2948G and 2980G switches configure themselves to operate at the speed and duplex settings of attached devices. They operate at 10 or 100 Mbps in halfor full-duplexmode. If the attached devices do not support autonegotiation, the speed should resolve correctly. You can also explicitly set the speed and duplex parameters.

The 10/100/1000 ports on the Catalyst 2948G-GE-TXswitches configure themselves to operate at the speed setting of attached devices. These ports operate at 10, 100, or 1000 Mbps infull-duplexmode. If the attached devices do not support autonegotiation, you can set the speed.

Connecting devices that do not autonegotiate or devices with manually set speed and duplex parameters can reduce performance or result in link failures between the devices. To maximize performance, choose one of these methods for configuring the ports:

Allow the ports to autonegotiate both speed and duplex for 10/100 ports and only speed for 10/100/1000 ports.

Set the speed and duplex parameters on both ends of the connection.

Caution To comply with the intrabuilding lightning surge requirements, intrabuilding wiring must be shielded, and the shield for the wiring must be grounded at both ends.

Caution To preventelectrostatic-discharge(ESD) damage, follow your normal board and component handling procedures.

 

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Chapter 3 Installing the Switch

Connecting to 10/100 and 10/100/1000 Ports

To connect the switch to 10BASE-T,100BASE-TX,or1000BASE-Tdevices, follow these steps:

Step 1 When connecting to servers, workstations, and routers, insert atwisted-pairstraight-throughcable in afront-panelRJ-45connector, as shown inFigure 3-15.When connecting to switches or repeaters, insert atwisted-paircrossover cable. (See theAppendix A, “Specifications,” forcable-pinoutdescriptions.)

Note When connecting to1000BASE-Tdevices, be sure to use a fourtwisted-pair,Category 5 cable.

Figure 3-15Connecting to a 10/100 or 10/100/1000 Port

98654

Step 2 Insert the other cable end in anRJ-45connector on the target device.

 

 

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Chapter 3 Installing the Switch

Connecting a Terminal to the Console Serial and Ethernet Management Ports

Step 3 Observe the port STATUS LED:

The LED turns amber while Spanning Tree Protocol (STP) discovers the network topology and searches for loops. This process takes about 30 seconds.

The LED turns green when the switch and the target device have an established link.

The LED does not light when the target device is not turned on, a cable problem exists, or a problem exists with the adapter installed in the target device.

If the STATUS LED does not turn green or does not light at all, see “Troubleshooting the Installation” section on page 5-1 for solutions to cabling problems.

Step 4 Reconfigure and restart the target device if necessary.

Step 5 Repeat Steps 1 through 4 to connect each port.

Connecting a Terminal to the Console Serial and Ethernet Management Ports

The console serial and Ethernet management ports are located on the front panel of the Catalyst 2948G, 2948G-GE-TX,and 2980G switches. These ports use anRJ-45media-dependentinterfacecrossed-over(MDIX) connector, as shown inFigure 3-16.For information about port pinouts, seeAppendix A, “Specifications.”

The Catalyst 2948G switches have a 10BASE-Tmanagement port. The Catalyst2948G-GE-TXand2980G-Aswitches have a10/100BASE-Tmanagement port.

Note The MDIX Ethernet ports are crossed over internally. For anMDI-to-MDIorMDIX-to-MDIXconnection, use a crossover cable. For anMDI-to-MDIXconnection, use astraight-throughcable, which allows the Tx pins to connect with the Rx pins.

 

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Chapter 3 Installing the Switch

Verifying Switch Operation

Figure 3-16Ethernet Cable withRJ-45Connector

98459

Verifying Switch Operation

After you have connected all the interfaces, check all connections, and then perform the following steps to power on the system to verify that it is operational:

Step 1 Before powering on the system, make sure the connector is installed securely in a grounded outlet at thepower-sourceend of the power cord and that the source power is within the range labeled on the back of the switch. When two power supplies are present, make sure that the second cord is connected to a separate line from the first, if possible.

Step 2 Check the console terminal and make sure it is powered on.

Step 3 Connect the power cords to the switch.

Step 4 Verify that the PSI or PWR LEDs on the power supply front panel is green.

Step 5 Listen for the system fans to ensure that they are operational.

Step 6 While the system initializes, check that the STATUS LED on the supervisor engine is amber until the boot is complete.

Note Many of the interface LEDs do not illuminate until you configure the interfaces.

When the system boot is complete (it takes a few seconds), the supervisor engine begins to initialize the interfaces. During this initialization, the interface LEDs flash on and off. When initialization is complete, the console screen displays a script and system banner.

 

 

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Chapter 3 Installing the Switch

Verifying Switch Operation

Note When interface LEDs are on, the interface ports may not be functional or enabled. Although the LEDs for many interface types might turn on at system startup, they do not indicate an accurate status until the interface is configured.

Note If the system does not complete this verification process, seeChapter 5, “Troubleshooting the Installation.”

 

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C H A P T E R 4

Configuring the Gigabit Ethernet Ports

Warning Before you install, operate, or service the system, read theSite Preparation and Safety Guide. This guide contains important safety information you should know before working with the system.Statement 200

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.Statement 1030

This chapter describes how to configure the Gigabit Ethernet ports on the Catalyst 2948G and 2980G switches and how to configure the small form-factor-pluggable(SFP) module slot on the Catalyst2948G-GE-TXswitches. The chapter contains these sections:

Installing, Removing, and Maintaining GBICs, page 4-2

Connecting To an SFP Module, page 4-12

The Gigabit Ethernet ports can be configured with any combination of GBICs. The Gigabit Ethernet ports on these modules are used primarily for backbone interconnection of other high-performanceswitches and routers.

 

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

Installing, Removing, and Maintaining GBICs

The following sections describe Gigabit Interface Converters (GBICs) and how to install, remove, and maintain them:

GBIC Features, page 4-2

Port Cabling Specifications, page 4-4

GBIC Optical Power Characteristics, page 4-5

GBIC Cabling Restrictions, page 4-5

Installing GBICs, page 4-6

Removing GBICs, page 4-9

GBIC Maintenance Guidelines, page 4-10

Patch Cord, page 4-10

GBIC Features

Warning Because invisible laser radiation may be emitted from the aperture of the port when no cable is connected, avoid exposure to laser radiation and do not stare into open apertures.Statement 70

GBICs (see Figure 4-1)arehot-swappableinput/output devices that plug into a Gigabit Ethernet switching module, linking the module with afiber-opticnetwork. The GBICs useSC-typeconnectors and plug into connectors on the module. You can install any combination of GBICs in the Gigabit Ethernet switching module.

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

Figure 4-1GBIC Module

11825

Receiver Transmitter

Table 4-1 lists the GBIC modules that are supported by the Catalyst 2948G and 2980G switches.

Table 4-1Supported GBIC modules

GBIC Type

Model Number

 

 

Fiber-optic1000BASE-SX

WS-G5484=

 

 

Fiber-optic1000BASE-LX/LH

WS-G5486=

 

 

Fiber-optic1000BASE-ZX

WS-G5487=

 

 

Copper 1000BASE-TXGBIC

WS-G5483=

 

 

Coarse Wave Division Multiplexing (CWDM)

CWDM-GBIC-1470=

fiber-optic1000BASE-XGBIC

CWDM-GBIC-1490=

 

CWDM-GBIC-1510=

 

CWDM-GBIC-1530=

 

CWDM-GBIC-1550=

 

CWDM-GBIC-1570=

 

CWDM-GBIC-1590=

 

CWDM-GBIC-1610=

 

 

Note Cisco1000BASE-LX/LHinterfaces fully comply with the IEEE 802.3z1000BASE-LXstandard. However, their higher optical quality allows them to reach 10 kilometers oversingle-modefiber (SMF) versus the 5 kilometers specified in the standard.

Other GBIC media types may be supported as additional technology becomes available.

 

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

Note Because of interoperability issues, Cisco does not support GBICs purchased fromthird-partyvendors.

Port Cabling Specifications

Table 4-2 provides cabling specifications for the GBICs. The minimum cable distance for all GBICs listed (MMF [multimode fiber] and SMF) is 6.5 feet (2 meters).

Note For information about the Coarse Wave Division Multiplexing (CWDM), refer to theCisco CWDM GBIC and CWDM SFP Installation Note.

Table 4-2GBIC Port Cabling Specifications

 

Wavelength1 (nm)

 

Core Size

Modal Bandwidth

Maximum Cable

GBIC

Fiber Type

(microns)

(MHz/km)

Distance

SX2

850

MMF

62.5

160

722 ft (220 m)

 

 

 

62.5

200

902 ft (275 m)

 

 

 

50.0

400

1640 ft (500 m)

 

 

 

50.0

500

1804 ft (550 m)

 

 

 

 

 

 

LX/LH

1300

MMF3

62.5

500

1804 ft (550 m)

 

 

 

50.0

400

1804 ft (550 m)

 

 

 

50.0

500

1804 ft (550 m)

 

 

SMF

9/10

6.2 mi (10 km)

 

 

 

 

 

 

ZX

1550

SMF

9/10

43.5 mi (70 km)

 

 

SMF4

62.1 mi (100 km)

1.Nominal fiber specification wavelength.

2.MMF only.

3.Patch cord required (refer to the “Patch Cord” section on page 4-10 for details).

4.Dispersion-shiftedsingle-modefiber-optic.

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

GBIC Optical Power Characteristics

Table 4-3 provides the GBIC optical power characteristics.

Note For information about the Coarse Wave Division Multiplexing (CWDM), refer to theCisco CWDM GBIC and CWDM SFP Installation Note.

Table 4-3GBIC Optical Power Characteristics

 

1000BASE-SX

1000BASE-LX/LH

1000BASE-ZX

Parameter

(WS-G5484)

(WS-G5486)

(WS-G5487)

 

 

 

 

Transmitter output power

0/–9.5dBm

–3/–9.5dBm

0/4.77 dBm

(min/max)

 

 

 

 

 

 

 

Receiver maximum input

0 dBm

–3dBm

–3dBm

power

 

 

 

 

 

 

 

Receiver sensitivity

–17dBm

–19dBm

–23dBm

 

 

 

 

Channel insertion loss

 

 

 

50/125 micron1 MMF

3.4 dBm

4.4 dBm

62.5/125 micron MMF

3.2 dBm

6 dBm

9/10 micron SMF

6.5 dBm

21.5 dBm

 

 

 

 

1. 1 micron ( ) equals 1 micrometer or 10-6 meters

GBIC Cabling Restrictions

You must observe the following fiber-opticcabling restrictions when using

GBICs:

The minimum cabling distance for 1000BASE-SXand1000BASE-LX/LHGBICs is 6.5 feet (2 meters).

The maximum cabling distance for each GBIC type is listed in Table 4-2.

 

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

When using the 1000BASE-LX/LHGBIC with62.5-microndiameter MMF, you must install amode-conditioningpatch cord between the MMFfiber-opticnetwork and the GBIC. Themode-conditioningpatch cord(CAB-GELX-625or equivalent) is required to comply with IEEE standards. See the“Patch Cord” section on page 4-10 for more information.

You must insert a 10-dBinline optical attenuator between thesingle-modefiber-opticnetwork and the receiving port on the1000BASE-ZXGBIC at each end of the link if the link length is less than 15.5 miles (25 km).

You must insert a 5-dBinline optical attenuator between thesingle-modefiber-opticnetwork and the receiving port on the1000BASE-ZXGBIC at each end of the link if the link is greater than 15.5 miles (25 km), but less than 31 miles (50 km).

Installing GBICs

This section describes how to install GBICs.

Caution Unnecessary removal and insertion of a GBIC could lead to premature failure of the GBIC. A GBIC has a lifetime of 100 to 500 removals and insertions.

A switch can be shipped with or without GBICs installed.

Caution When removing or inserting a GBIC, always wear an ESD wrist strap connected to the ESD wrist strap connector. For more information about ESD, refer to the

Site Preparation and Safety Guide.

Note GBICs are online swappable.

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

To install a GBIC, perform these steps:

Step 1 Remove the GBIC from its protective packaging.

Step 2 Verify that the GBIC is the correct type for your network by checking the part number.

The part number indicates whether it is 1000BASE-SX,1000BASE-LX/LH,or1000BASE-ZX.

Step 3 Grip the sides of the GBIC with your thumb and forefinger; insert the GBIC into the slot on the front of the module.

See Figure 4-2 for GBIC installation on a Catalyst 2948G switch. SeeFigure 4-3 for GBIC installation on a Catalyst 2980G switch.

Note GBICs are keyed to prevent incorrect slot insertion. SeeFigure 4-4.

Figure 4-2Installing a GBIC on a Catalyst 2948G Switch

STATUS

Catalyst 2948G

CONSOLE

1000Base - X

10BaseT

98456

Plug GBIC

 

 

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Figure 4-3Installing a GBIC on a Catalyst 2980G Switch

10/100/1000

STATUS

ETHERENET

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

5

6

7

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

10

11

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

14

15

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

8

9

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

12

13

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

 

 

 

 

SLOT 2

 

 

 

 

 

 

20

21

22

23

 

 

 

 

 

 

 

 

 

 

 

 

24

25

26

27

 

 

 

 

 

 

 

 

 

 

28

29

 

 

 

 

 

 

 

 

 

 

 

 

30

31

20

21

22

23

 

 

 

 

 

 

 

 

 

 

 

 

24

25

26

27

 

 

 

 

 

 

 

 

SLOT 3

28

29

30

 

 

 

 

 

 

 

 

 

 

 

31

32

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

CATALYST 2986

31

33

34

35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

39

40

41

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

44

 

 

 

 

48

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

46

47

48

 

 

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONSOLE

10MB MGT

 

 

 

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

 

 

 

 

 

 

 

RESET

 

 

 

 

 

 

 

 

 

 

 

PWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

98458

Plug GBIC

Step 4 Slide the GBIC into the slot until you hear a click. The click indicates that the GBIC is locked into the slot.

Step 5 When you are ready to attach thefiber-opticcable, remove the plug from the GBIC and save it for future use.

Caution Do not remove the plug from the GBIC optical bores or thefiber-opticcable until you are ready to connect the cable. The plug protects the GBIC optical bores and cable from contamination.

Step 6 Remove the protective plug from theSC-typeconnector on thefiber-opticcable if necessary. Insert the connector into the GBIC.

When you plug the SC-typeconnector into the GBIC, make sure that both the Tx and Rxfiber-opticcables are already fully inserted into theSC-typeconnector.

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

Figure 4-4Connecting theSC-TypeConnector

Keys

Cable

Light out of fiber

Light into

Receptacle

 

fiber

Receiver

Transmitter

Key slots

17110

Note If you are using the LX/LH GBIC with MMF, you need to install a patch cord between the GBIC and the MMF cable. See the“Patch Cord” section on page 4-10 for details.

Removing GBICs

 

Note

If you are removing the GBIC from an online switch, enter the show port

 

 

command to verify the type of GBIC that is installed.

 

 

 

 

 

To remove a GBIC, perform these steps:

 

 

 

 

Step 1

Disconnect the fiber-opticcable from the GBICSC-typeconnector.

 

Step 2

Release the GBIC from the slot by simultaneously squeezing the plastic tabs (one

 

 

on each side of the GBIC).

 

 

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Step 3 Slide the GBIC out of the slot.

Step 4 Install the plug into the GBIC optical bores and place the GBIC in its protective packaging.

GBIC Maintenance Guidelines

Follow these GBIC maintenance guidelines:

GBICs are static sensitive. To prevent ESD damage, follow your normal board and component handling procedures.

GBICs are dust sensitive. When the GBIC is stored or when a fiber-opticcable is not plugged in, always keep plugs in the GBIC optical bores.

The most common source of contaminants in the optical bores is debris picked up on the ferrules of the optical connectors. Use an alcohol swab or Kim-Wipeto clean the ferrules of the optical connector.

Patch Cord

When using the LX/LH GBIC with a 62.5-microndiameter core size MMF, you must install amode-conditioningpatch cord (Cisco product numberCAB-GELX-625or equivalent) between the GBIC and the MMF cable on both the transmit and receive ends of the link. The patch cord is required for link distances greater than 984 feet (300 meters).

Note We do not recommend using the LX/LH GBIC with MMF without a patch cord for very short link distances (tens of meters). The result could be an elevated bit error rate (BER).

Note The patch cord is required to comply with IEEE standards. The IEEE found that link distances could not be achieved with certain types offiber-opticcable due to a problem in the center of somefiber-opticcable cores. The solution is to launch light from the laser at a precise offset from the center by using the patch cord. At

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Installing, Removing, and Maintaining GBICs

the output of the patch cord, the LX/LH GBIC is compliant with the IEEE 802.3z standard for 1000BASE-LX.For a detailed description of this problem, refer toAppendix C, “Differential Mode Delay.”

Note Cisco Gigabit Ethernet products have been tested and evaluated to comply with the standards listed inAppendix A, “Specifications.” Equivalent cables should also meet these standards.

Patch Cord Configuration Example

Figure 4-5 shows a typical configuration using patch cords.

Figure 4-5Patch Cord Configuration

Patch

 

Building

Patch

cord

 

cable plant

cord

Rx

 

 

Tx

1000BASE-LX/LH

Patch

Patch

1000BASE-LX/LH

port

panel

panel

port

Tx

 

 

Rx

 

Link span greater than 984 ft

 

 

 

(300 m)

 

13088

Patch Cord Installation

Plug the end of the patch cord labeled “To equipment” into the GBIC (see Figure 4-6).Plug the end labeled “To cable plant” into the patch panel. The patch cord is 9.84 feet (3 meters) long and has duplexSC-typemale connectors at each end.

 

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Connecting To an SFP Module

Figure 4-6Patch Cord Installation

 

To equipment

To cable plant

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13089

Connecting To an SFP Module

This section describes how to connect to an SFP module. For instructions about how to install or remove an SFP module, refer to the Cisco Small Form-Factor Pluggable Modules Installation Notes (not orderable but is available on Cisco.com) and to the documentation that came with your SFP module.

Table 4-4 lists the SFP modules supported by the Catalyst2948G-GE-TXswitch.

Table 4-4Supported SFP Modules

SFP Type

Model Number

 

 

Fiber-optic1000BASE-LX

GLC-LS-SM=

 

 

Fiber-optic1000BASE-SX

GLC-SX-MM=

 

 

Fiber-optic1000BASE-ZX

GLC-ZX-SM=

 

 

Copper 1000BASE-T

GLC-T=

 

 

Coarse Wave Division Multiplexing

CWDM-SFP-1470=

(CWDM) fiber-opticSFP modules

CWDM-SFP-1490=

 

CWDM-SFP-1510=

 

CWDM-SFP-1530=

 

CWDM-SFP-1550=

 

CWDM-SFP-1570=

 

CWDM-SFP-1590=

 

CWDM-SFP-1610=

 

 

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Connecting To an SFP Module

The restrictions are that each port must match the wave-lengthspecifications on the other end of the cable, and the cable must not exceed the recommended cable length for reliable communications.Table 4-5 lists these recommendations.

Table 4-5Fiber-OpticSFP Module Port Cabling Specifications

 

 

 

 

Modal

 

 

Wavelength

 

Core Size

Bandwidth

 

SFP Module

(nanometers)

Fiber Type

(micron)

(MHz/km)

Cable Distance

 

 

 

 

 

 

1000BASE-SX

850

MMF

62.5

160

722 ft (220 m)

 

 

 

62.5

200

902 ft (275 m)

 

 

 

50.0

400

1640 ft (500 m)

 

 

 

50.0

500

1804 ft (550 m)

 

 

 

 

 

 

1000BASE-LX/LH

1300

MMF1

62.5

500

1804 ft (550 m)

 

 

 

50.0

400

1804 ft (550 m)

 

 

SMF

50.0

500

1804 ft (550 m)

 

 

 

9/10

6.2 mi (10 km)

 

 

 

 

 

 

1000BASE-ZX

1550

SMF

9/10

43.4 to 62 mi (70 to

 

 

 

 

 

100 km)2

1.A mode-conditioningpatch cord is required. Using an ordinary patch cord with MMF,1000BASE-LX/LHSFP modules, and a short link distance can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP module with62.5-microndiameter MMF, you must also install amode-conditioningpatch cord between the SFP module and the MMF cable on both the sending and receiving ends of the link. Themode-conditioningpatch cord is required for link distances greater than 984 feet (300 m).

2.1000BASE-ZXSFP modules can reach up to 100 km by usingdispersion-shiftedSMF orlow-attenuationSMF; the distance depends on the fiber quality, the number of splices, and the connectors.

Note For information about the Coarse Wave Division Multiplexing (CWDM), refer to theCisco CWDM GBIC and CWDM SFP Installation Note.

The 1000BASE-T(copper) SFP module is used to establish a Gigabit Ethernet connection through a Category 5 Category 5 cable.

Use only Cisco SFP modules on the Catalyst 2948G-GE-TXswitch. Each SFP module has an internal serial EEPROM that is encoded with security information. This encoding provides a way for Cisco to identify and validate that the SFP module meets the requirements for the switch.

 

 

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Connecting To an SFP Module

For more information about these SFP modules, refer to your SFP module documentation and to the Cisco Small Form-Factor Pluggable Modules Installation Notes (not orderable but is available on Cisco.com.)

For the latest information about SFP modules supported by the switch, refer to the release notes.

Caution Do not remove the rubber plugs from the ports onfiber-opticSFP modules or the rubber caps from the thefiber-opticcable until you are ready to connect the cable. The plugs and caps protect the SFP module ports and cables from contamination and ambient light.

Before connecting to an SFP module, be sure that you understand the port and cabling stipulations in Table 4-5.SeeAppendix A, “Specifications,” for information about the LC on the SFP modules forfiber-opticconnections.

Follow these steps to connect a fiber-opticcable to an SFP module:

Warning Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or view directly with optical instruments.

Statement 272

Step 1 Remove the rubber plugs from the module port andfiber-opticcable, and store them for future use.

Step 2 Insert one end of thefiber-opticcable into the SFP module port, as shown inFigure 4-7.

 

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Chapter 4 Configuring the Gigabit Ethernet Ports

Connecting To an SFP Module

Figure 4-7Connecting to an SFP Module Port

98656

Step 3 Insert the other cable end in afiber-opticreceptacle on a target device.

Step 4 Observe the port LED.

The LED turns green when the switch and the target device have an established link.

The LED turns amber while the STP discovers the network topology and searches for loops. This process takes about 30 seconds, and then the port LED turns green.

If the LED is off, the target device might not be turned on, there might be a cable problem, or there might be problem with the adapter installed in the target device. See Chapter 5, “Troubleshooting the Installation,” for solutions to cabling problems.

 

 

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Step 5 If necessary, reconfigure and restart the switch or target device.

The Gigabit Ethernet ports on these modules are used primarily for backbone interconnection of other high-performanceswitches and routers.

After you have connected all the interfaces, check all connections, and then perform the steps described in the “Verifying Switch Operation” section on page 3-23 to verify that the switch is operational.

 

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C H A P T E R 5

Troubleshooting the Installation

This chapter describes how to troubleshoot the Catalyst 2948G, 2948G-GE-TX,and 2980G switch installations. It contains these sections:

Getting Started, page 5-2

Problem Solving to the System Component Level, page 5-2

Identifying Startup Problems, page 5-3

Troubleshooting the Power Supply, page 5-4

Contacting Customer Service, page 5-5

If you have problems starting up your system, use the information in this chapter to help isolate the cause. Problems with the initial startup are often caused by poor or improper connections. Temperature conditions above the maximum acceptable level are rarely the source of problems at startup; however, environmental monitoring functions are included in the following sections because they also monitor DC-linevoltages.

For configuration questions or problems, refer to the software configuration guide or the command reference for your switch.

 

 

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Chapter 5 Troubleshooting the Installation

Getting Started

Getting Started

When the initial system boot is complete, verify the following:

Power supplies are supplying power to the system.

On Catalyst 2948G and 2980G switches, the system fan assembly is operating.

On Catalyst 2948G-GE-TXswitches, the blower is operating.

If all of these conditions are met and the hardware installation is complete, refer to the software configuration guide and the command reference for your switch to troubleshoot the software. However, if any of these conditions is not met, use the procedures in this chapter to isolate and, if possible, resolve the problem.

Problem Solving to the System Component Level

The key to success when troubleshooting the system is to isolate the problem to a specific system component. The first step is to compare what the system is doing to what itshould be doing. Because a startup problem can usually be attributed to a single component, it is more efficient to isolate the problem to a subsystem rather than troubleshoot each component in the system separately.

The switch consists of the following subsystems:

Power supply—Includesthe power supplies and power supply fans (see“Troubleshooting the Power Supply” section on page 5-4)

Fans—Thefan assembly should operate whenever system power is on. The fan assembly continues to operate even when the environmental monitor shuts the system down because of an overtemperature or overvoltage condition (although it will shut down in the event of a power supply shutdown).

The following are simple checks you can make to determine if there is a fan problem:

Determine if the software is reporting a temperature problem.

Listen to the fan assembly to determine if it is operating.

Check for any obstructions that might be restricting the airflow through the switch.

 

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Chapter 5 Troubleshooting the Installation

Identifying Startup Problems

If you encounter a problem in performing any of the above checks, you should contact a customer service representative.

Identifying Startup Problems

LEDs indicate all system states in the startup sequence. By checking the LEDs, you can determine when and where the system failed in the startup sequence. If you have problems after the switch is powered on and the startup sequence is complete, refer to the software configuration guide for your switch.

After you connect the power cord to the Catalyst 2948G, 2948G-GE-TX,or 2980G switches, follow these steps:

Step 1 You should immediately hear the system fans begin to operate. If you do not, see the“Troubleshooting the Power Supply” section on page 5-4.If you determine that the power supplies are functioning normally and that the fans are faulty, contact a customer service representative.

Step 2 Check the power supply LEDs as follows:

The power supply LED should turn green immediately when power is applied to the switch. The LED should remain on during normal system operation.

If the LED turns amber, see the section, “Troubleshooting the Power Supply” section on page 5-4.

Step 3 Check that the LEDs on the front panel light as follows:

The STATUS LED flashes amber once and stays amber during diagnostic boot tests. It turns green when the switch is operational (on line). If the system software is unable to start up, this LED stays amber.

The Link LED flashes amber once after diagnostic boot tests, and turns green when the module is operational (on line). If no signal is detected, the Link LED turns off. The Link LED blinks amber continuously if the port is bad.

Note After the diagnostic boot tests, the single flash of amber on the Link LED may occur too quickly to be detected visually.

If a STATUS LED is red or amber, contact a customer service representative for instructions.

 

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Chapter 5 Troubleshooting the Installation

Troubleshooting the Power Supply

Step 4 If the boot information and system banner are not displayed, verify that the terminal is set correctly and that it is connected properly to the console port.

Troubleshooting the Power Supply

To help isolate a power subsystem problem, follow these steps:

Step 1 Check the power supply LED:

Note Power supply LEDs are labeled PSI, PWR, and RPS.

If the LED is either off or amber, unplug the power cord, and then plug the power cord in again.

If the LED remains off, there might be a problem with the AC source, or the power cable. Connect the power cord to another power source (if one is available).

If the LED then lights, the problem is the first power source.

If the LED fails to light after you connect the power supply to a new power source, replace the power cord.

If the LED still fails to light, the power supply is probably faulty.

Step 2 If a Redundant Power System (RPS) is installed, check the RPS LED:

If the LED is amber or off, repeat the previous procedure to troubleshoot the second power supply.

Note If the power supply is a Cisco RPS 675 and the LED is amber, the RPS may be in standby mode. Press the Standby/Active button on the RPS to put it in active mode and the LED should then turn to green.

 

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Chapter 5 Troubleshooting the Installation

Contacting Customer Service

Note If you are using an RPS, do not apply power to the RPSand the switch simultaneously. Disconnect power from the internal power supply before turning the power on for the RPS. The RPS contains multiple power supplies for redundant power protection. Refer to the RPS documentation for installation and configuration details.

Step 3 If you are unable to resolve the problem, contact a customer service representative for instructions.

Contacting Customer Service

If you are unable to solve a startup problem after using the troubleshooting suggestions in this chapter, contact a customer service representative for assistance and further instructions. Before you call, have the following information ready to help your customer service representative assist you as quickly as possible:

Date you received the switch

Chassis serial number (located on a label on the right of the rear panel of the chassis)

Type of software and release number

Maintenance agreement or warranty information

Brief description of the problem

Brief explanation of the steps you have already taken to isolate and resolve the problem

 

 

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Chapter 5 Troubleshooting the Installation

Contacting Customer Service

 

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A P P E N D I X A

Specifications

This appendix provides management port and technical specifications for the

Catalyst 2948G, 2948G-GE-TX,and 2980G switches.

Console Serial Port

The console serial port is an RJ-45receptacle. Data terminal ready (DTR) and data set ready (DSR) handshake signals are supported on this port. The Request To Send (RTS) signal tracks the state of the Clear To Send (CTS) input.Table A-1 lists the console port pinouts.

Table A-1Console Port Pinouts

 

 

Pin

Signal

Direction

Description

 

 

 

 

 

 

 

1

RTS

output

request to send

 

 

 

 

 

 

2

DTR

output

data terminal ready

 

 

 

 

 

 

3

TXD

output

transmit data

 

 

 

 

 

 

 

 

4

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

5

GND

 

 

 

 

 

 

 

 

 

 

 

6

RXD

input

receive data

 

 

 

 

 

 

7

DSR

input

data set ready

 

 

 

 

 

 

8

CTS

input

clear to send

 

 

 

 

 

 

 

 

 

 

 

 

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Appendix A Specifications

10BASE-Tand10/100BASE-TEthernet Management Ports

10BASE-Tand10/100BASE-TEthernet Management Ports

The Ethernet management port on each switch is an RJ-45receptacle with a Link Status LED.Table A-2 lists the port pinouts.

Table A-210BASE-TPort Pinouts

Pin

Signal

Direction

Description

 

 

 

 

1

RXD+

input

receive data

 

 

 

 

2

RXD-

input

receive data

 

 

 

 

3

TXD+

output

transmit data

 

 

 

 

4

unused

 

 

 

 

 

 

5

unused

 

 

 

 

 

 

6

TXD-

output

transmit data

 

 

 

 

7

unused

 

 

 

 

 

 

8

unused

 

 

 

 

 

 

Catalyst 2948G Switch Specifications

Table A-3 lists the Catalyst 2948G specifications.

Table A-3Catalyst 2948G Switch Specifications

 

 

 

Item

Specification

 

 

 

 

 

 

 

 

 

Environmental

 

 

 

 

 

 

 

 

 

 

Temperature, ambient

32°F (0°C) to 104°F (40°C)

 

 

 

operating

 

 

 

 

 

 

 

 

 

 

Temperature, ambient

–40°F(–40°C)to 167°F (75°C)

 

 

 

nonoperating and storage

 

 

 

 

 

 

 

 

 

 

Humidity (RH), ambient

10% to 90%

 

 

 

(noncondensing) operating

 

 

 

 

 

 

 

 

 

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Appendix A Specifications

Catalyst 2948G Switch Specifications

Table A-3Catalyst 2948G Switch Specifications (continued)

Item

Specification

 

 

Environmental (continued)

 

 

 

Humidity (RH), ambient

5% to 95%

(noncondensing)

 

nonoperating and storage

 

 

 

Altitude,

0 to 65621.7 ft (0 to 2,000 m)

operating and nonoperating

 

 

 

Switching Components

 

 

 

Backplane

12 Gbps full duplex

 

 

Microprocessor

150-MHzR5000RISC–Y2Kcompliant

 

 

Memory

64 MB SDRAM, 12 MB Flash (onboard),

 

512 KB NVRAM, 8 MB synchronous SRAM,

 

256 bytes serial EEPROM

 

 

Physical Characteristics

 

 

 

Dimensions (H x W x D)

2.625 x 17.5 x 15 in. (6.6 x 44 x 38 cm)

 

 

Weight

13 lb. (5.9 kg)

 

 

AC Power

 

 

 

Power supply output

120 W

 

 

System power dissipation

189 W

 

 

System heat dissipation

645 BTU/hr.

 

 

AC input current

2.5 A maximum at 100 VAC

 

1.3 A maximum at @ 240 VAC

 

 

AC frequency

50 to 60 Hz

 

 

KVA rating

0.20

 

 

Airflow

Front side in, back side out

 

 

 

 

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Catalyst 2948G Switch Specifications

Table A-3Catalyst 2948G Switch Specifications (continued)

Item

Specification

 

 

Standards Compliance

 

 

 

Compliance

CE Marking

 

 

Safety

UL1 1950,CSA2-C22.2No. 950, EN360950,

 

IEC4 60950

EMI5

CFR6 47, part 15 Class A (FCC), ICES7 003

 

Class A with UTP cables, EN55022 Class A

 

with UTP cables, CISPR228 Class A with UTP

 

cables, AS/NZS 3548 Class A with UTP

 

cables, and VCCI9 Class A with UTP cables

 

EN55024, ETS 300 386

 

EN55022 Class B with FTP cables, CISPR22

 

Class B with FTP cables, AS/NZS 3548

 

Class B with FTP cables, and VCCI Class B

 

with FTP cables

 

 

1.UL = Underwriters Laboratory

2.CSA = Canadian Standards Association

3.EN = European Norm

4.IEC = International Electrotechnical Commission

5.EMI = electromagnetic interference

6.CFR = Code of Federal Regulations

7.ICES = International Commerce Exchange Systems

8.CISPR = Comite International Special des Perturbation Radioelectriques

9.VCCI = Voluntary Control Council for Information Technology Equipment

 

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Catalyst 2948G-GE-TXSwitch Specifications

Catalyst 2948G-GE-TXSwitch Specifications

Table A-4 lists the Catalyst2948G-GE-TXspecifications.

Table A-4Catalyst2948G-GE-TXSwitch Specifications

 

 

Item

Specification

 

 

 

 

 

 

 

 

Environmental

 

 

 

 

 

 

 

 

 

Temperature, ambient

32°F (0°C) to 104°F (45°C)

 

 

operating

 

 

 

 

 

 

 

 

 

Temperature, ambient

–40°F(–40°C)to 167°F (75°C)

 

 

nonoperating and storage

 

 

 

 

 

 

 

 

 

Humidity (RH), ambient

10% to 90%

 

 

(noncondensing) operating

 

 

 

 

 

 

 

 

 

Humidity (RH), ambient

5% to 95%

 

 

(noncondensing)

 

 

 

 

 

nonoperating and storage

 

 

 

 

 

 

 

 

 

Altitude,

0 to 65621.7 ft (0 to 2,000 m)

 

 

operating and nonoperating

 

 

 

 

 

 

 

 

 

 

 

Physical Characteristics

 

 

 

 

 

 

 

 

 

Dimensions (H x W x D)

1.75 x 17.5 x 17 in.

 

 

 

(4.45 x 44.5 x 43.1 cm)

 

 

 

 

 

 

Weight

13 lb. (5.9 kg)

 

 

 

 

 

 

 

 

AC Power

 

 

 

 

 

 

 

 

 

Power supply output

110 W

 

 

 

 

 

 

System power dissipation

130 W

 

 

 

 

 

 

System heat dissipation

445 BTU/hr.

 

 

 

 

 

 

AC input current

1.5 A maximum at 100 VAC

 

 

 

0.8 A maximum at 240 VAC

 

 

 

 

 

 

AC frequency

50 to 60 Hz

 

 

 

 

 

 

 

 

KVA rating

0.13

 

 

 

 

 

 

 

 

Airflow

Front side in, back side out

 

 

 

 

 

 

 

 

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Catalyst 2980G Switch Specifications

Table A-4Catalyst2948G-GE-TXSwitch Specifications (continued)

Item

Specification

 

 

Standards Compliance

 

 

 

Compliance

CE Marking

 

 

Safety

UL1 1950,CSA2-C22.2No. 950, EN360950,

 

IEC4 60950

EMI5

CFR6 47, part 15 Class A (FCC), ICES7 003

 

Class A with UTP cables, EN55022 Class A

 

with UTP cables, CISPR228 Class A with UTP

 

cables, AS/NZS 3548 Class A with UTP

 

cables, and VCCI9 Class A with UTP cables

 

EN55024, ETS 300 386

 

 

1.UL = Underwriters Laboratory

2.CSA = Canadian Standards Association

3.EN = European Norm

4.IEC = International Electrotechnical Commission

5.EMI = electromagnetic interference

6.CFR = Code of Federal Regulations

7.ICES = International Commerce Exchange Systems

8.CISPR = Comite International Special des Perturbation Radioelectriques

9.VCCI = Voluntary Control Council for Information Technology Equipment

Catalyst 2980G Switch Specifications

Table A-5 lists the Catalyst 2980G switch specifications.

Table A-5Catalyst 2980G Switch Specifications

 

 

 

Item

Specification

 

 

 

 

 

 

 

 

 

Environmental

 

 

 

 

 

 

 

 

 

 

Temperature, ambient

32°F (0°C) to 104°F (40°C)

 

 

 

operating

 

 

 

 

 

 

 

 

 

 

Temperature, ambient

–4°F(–20°C)to 149°F (65°C)

 

 

 

nonoperating and storage

 

 

 

 

 

 

 

 

 

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Catalyst 2980G Switch Specifications

Table A-5Catalyst 2980G Switch Specifications (continued)

 

 

Item

Specification

 

 

 

 

 

 

Humidity (RH), ambient

10% to 90%

 

 

(noncondensing) operating

 

 

 

 

 

 

 

 

 

Humidity (RH), ambient

5% to 95%

 

 

(noncondensing) nonoperating

 

 

 

 

 

and storage

 

 

 

 

 

 

 

 

 

Altitude, operating and

6561.7 ft. (0 to 2,000 m)

 

 

nonoperating

 

 

 

 

 

 

 

 

 

 

 

Switching Components

 

 

 

 

 

 

 

 

 

Backplane

12 Gbps full duplex

 

 

 

 

 

 

Microprocessor

150-MHzR5000RISC–Y2Kcompliant

 

 

 

 

 

 

Memory

64 MB SDRAM, 16 MB Flash (onboard),

 

 

 

512 KB NVRAM, 8 MB synchronous SRAM,

 

 

 

256 bytes serial EEPROM

 

 

 

 

 

 

 

 

Physical Characteristics

 

 

 

 

 

 

 

 

 

Dimensions (H x W x D)

3.38 x 17.17 x 14.3 in. (8.6 x 43.6 x 36.3 cm)

 

 

 

 

 

 

Weight

13 lb. (5.9 kg)

 

 

 

 

 

 

 

 

AC Power

 

 

 

 

 

 

 

 

 

Power supply output

175 W (156 W on the Catalyst 2980G-A)

 

 

 

 

 

 

System power dissipation

270 W

 

 

 

 

 

 

System heat dissipation

950 BTU/hr. (670 BTU/hr. on the

 

 

 

Catalyst 2980G-A)

 

 

 

 

 

 

AC input current

3 A maximum at 100 VAC

 

 

 

1 A maximum at 240 VAC

 

 

 

 

 

 

AC frequency

50 to 60 Hz

 

 

 

 

 

 

 

 

KVA rating

0.30

 

 

 

 

 

 

 

 

Airflow

Right side in, left side out

 

 

 

 

 

 

 

 

Standards Compliance

 

 

 

 

 

 

 

 

 

Compliance

CE Marking

 

 

 

 

 

 

 

 

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Appendix A Specifications

Catalyst 2980G Switch Specifications

Table A-5Catalyst 2980G Switch Specifications (continued)

Item

Specification

 

 

Safety

UL1 1950,CSA2-C22.2No. 950, EN360950,

 

IEC4 60950

EMI5

FCC6 Class A (CFR7 47, part 15),ICES8-003

 

Class A, EN55022 Class A, CISPR229

 

Class A, AS/NZS 3548 Class A, and VCCI10

 

Class A with FTP11 cables

 

EN55022 Class B, CISPR22 Class B, AS/NZS

 

3548 Class B, and VCCI Class B with FTP

 

cables

 

 

1.UL = Underwriters Laboratories

2.CSA = Canadian Standards Association

3.EN = European Norm

4.IEC = International Electrotechnical Commission

5.EMI = electromagnetic interference

6.FCC = Federal Communications Commission

7.CFR = Code of Federal Regulations

8.ICES = International Commerce Exchange Systems

9.CISPR = Comite International Special des Perturbation Radioelectriques

10.VCCI = Voluntary Control Council for Information Technology Equipment

11.FTP = foil-twistedpair

 

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A P P E N D I X B

Repacking a Switch

This appendix provides repacking and shipping instructions for the

Catalyst 2948G, 2948G-GE-TX,and 2980G switches if you need to return your switch to the factory.

To repack the switch using the original packaging material, follow these steps:

Step 1 Slide the pieces of the packing foam over the switch. (SeeFigure B-1.)

Note The Catalyst 2948G switch is shown inFigure B-1.The repackaging procedure for the other switches is identical.

Step 2 Place the documentation and accessory kit in the box or poly bag provided.

Step 3 Place the box or poly bag containing the documentation and accessory kit on top of the packing material.

Step 4 Place the switch (with packing foam pieces) into the packing carton.

Step 5 Fold in the top flaps of the packing carton and seal with packing tape.

 

 

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Appendix B Repacking a Switch

Figure B-1Switch Packing Material

 

Documentation and

Packing foam

accessories in poly bag

 

Packing foam

Packing

carton

29715

 

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A P P E N D I X C

Differential Mode Delay

When an unconditioned laser source designed for operation on a single-modefiber (SMF) cable is directly coupled to a multimode fiber (MMF) cable, differential mode delay (DMD) might occur. DMD can degrade the modal bandwidth of thefiber-opticcable. This degradation causes a decrease in the link span (the distance between the transmitter and the receiver) that can be reliably supported.

The Gigabit Ethernet specification (IEEE 802.3z) outlines parameters for Ethernet communications at a gigabit-per-secondrate. The specification describes ahigher-speedversion of Ethernet for backbone and server connectivity using existing deployed MMF cable. It does this by defining the use oflaser-basedoptical components to propagate data over MMF cable.

Lasers function at the baud rates and longer distances required for Gigabit Ethernet. The IEEE 802.3z Gigabit Ethernet Task Force has identified the DMD condition that occurs in certain circumstances with particular combinations of lasers and MMF cable. The resulting characteristics create an additional element of jitter, which limits the reach of Gigabit Ethernet over MMF cable.

When DMD occurs, a single laser light pulse excites a few modes equally within an MMF cable. These modes, or light pathways, then follow two or more different paths. The paths might have different lengths and transmission delays as the light travels through the cable. When DMD occurs, a distinct pulse propagating down the cable no longer remains distinct or, in extreme cases, might become two independent pulses. Strings of pulses tend to interfere with each other, making it difficult to recover data in a reliable fashion.

 

 

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Appendix C Differential Mode Delay

DMD does not occur in all deployed fibers; rather, it occurs with certain combinations of worst-casefibers andworst-casetransceivers. Gigabit Ethernet is the first technology to experience this problem because of its very high baud rate and its long MMF cable lengths. SMF cable and copper cable are not affected by DMD.

MMF cable has been tested for use only with LED sources. LEDs create a condition within a fiber-opticcable referred to as anoverfilled launch condition. The overfilled launch condition describes the way LED transmitters couple light into thefiber-opticcable in a broad spread of modes. Similar to a light bulb radiating light in a dark room, the generated light that shines in multiple directions can overfill the existing cable space and excite a large number of modes. (SeeFigure C-1.)

Figure C-1LED Transmission Compared to Laser Transmission

LED transmission

LED

Laser transmission

Laser

12871

Lasers launch light in a more concentrated fashion. A laser transmitter couples light into only a fraction of the existing modes or optical pathways present in the fiber-opticcable. (SeeFigure C-1.)

The solution to DMD in this case is to condition the laser light launched from the source (transmitter) so that it spreads the light evenly across the diameter of the fiber-opticcable, making the launch look more like an LED source to the cable. The objective is to scramble the modes of light to distribute the power more equally in all modes and prevent the light from being concentrated in just a few

 

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Appendix C Differential Mode Delay

modes. This is in contrast to an unconditioned launch, which, in the worst case, might concentrate all of its light in the center of the fiber-opticcable, exciting only two or more modes equally.

A significant variation in the amount of DMD is produced from one MMF cable to the next. No reasonable test can be performed to survey an installed cable plant to assess the effect of DMD. Therefore, you must use a mode-conditioningpatch cord for all interfaces using MMF when the link span exceeds 984 feet (300 meters). For link spans less than this, you can omit the patch cord (there is no problem using it on short links).

 

 

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A P P E N D I X D

Translated Safety Warnings

This appendix repeats in multiple languages the warnings in this guide. These translated warnings can be used with other documents related to this guide.

 

 

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Appendix D Translated Safety Warnings

Warning Definition

Warning Definition

Warning IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device. Statement 1071

SAVE THESE INSTRUCTIONS

Waarschuwing BELANGRIJKE VEILIGHEIDSINSTRUCTIES

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt raadplegen.

BEWAAR DEZE INSTRUCTIES

Varoitus TÄRKEITÄ TURVALLISUUSOHJEITA

Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla.

SÄILYTÄ NÄMÄ OHJEET

 

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Warning Definition

Attention IMPORTANTES INFORMATIONS DE SÉCURITÉ

Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers liés aux circuits électriques et familiarisez-vousavec les procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,référez-vousau numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

Warnung WICHTIGE SICHERHEITSHINWEISE

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führen kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.

BEWAHREN SIE DIESE HINWEISE GUT AUF.

Avvertenza IMPORTANTI ISTRUZIONI SULLA SICUREZZA

Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le traduzioni delle avvertenze riportate in questo documento.

CONSERVARE QUESTE ISTRUZIONI

 

 

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Warning Definition

Advarsel VIKTIGE SIKKERHETSINSTRUKSJONER

Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne enheten.

TA VARE PÅ DISSE INSTRUKSJONENE

Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA

Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos perigos envolvidos no manuseio de circuitos elétricos e familiarize-secom as práticas habituais de prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.

GUARDE ESTAS INSTRUÇÕES

 

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Appendix D Translated Safety Warnings

Warning Definition

¡Advertencia! INSTRUCCIONES IMPORTANTES DE SEGURIDAD

Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo.

GUARDE ESTAS INSTRUCCIONES

Varning! VIKTIGA SÄKERHETSANVISNINGAR

Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanliga förfaranden för att förebygga olyckor. Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning.

SPARA DESSA ANVISNINGAR

 

 

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Warning Definition

 

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Appendix D Translated Safety Warnings

Safety Information Referral Warning

Safety Information Referral Warning

Warning Before you install, operate, or service the system, read theSite Preparation and Safety Guide. This guide contains important safety information you should know before working with the system.Statement 200

Waarschuwing Lees de handleiding Voorbereiding en veiligheid van de locatie Handleidingvoordat u het systeem installeert of gebruikt of voordat u onderhoud aan het systeem uitvoert. Deze handleiding bevat belangrijke beveiligingsvoorschriften waarvan u op de hoogte moet zijn voordat u met het systeem gaat werken.

 

 

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Safety Information Referral Warning

Varoitus Ennen kuin asennat järjestelmän tai käytät tai huollat sitä, lueAsennuspaikan valmistelu-jaturvaopas -opasta.Tässä oppaassa on tärkeitä turvallisuustietoja, jotka tulisi tietää ennen järjestelmän käyttämistä.

Attention Avant d'installer le système, de l'utiliser ou d'assurer son entretien, veuillez lire leGuide de sécurité et de préparation du site.Celui-ciprésente des informations importantes relatives à la sécurité, dont vous devriez prendre connaissance.

Warnung Warnhinweis Bevor Sie das System installieren, in Betrieb setzen oder warten, lesen Sie dieAnleitung zur Standortvorbereitung und Sicherheitshinweise. Dieses Handbuch enthält wichtige Informationen zur Sicherheit, mit denen Sie sich vor dem Verwenden des Systems vertraut machen sollten.

Avvertenza Prima di installare, mettere in funzione o effettuare interventi di manutenzione sul sistema, leggere le informazioni contenute nella documentazione sullaGuida alla sicurezza. Tale guida contiene importanti informazioni che è necessario acquisire prima di iniziare qualsiasi intervento sul sistema.

Advarsel Før du installerer, tar i bruk eller utfører vedlikehold på systemet, må du lese

Veiledning for stedsklargjøring og sikkerhet. Denne håndboken inneholder viktig informasjon om sikkerhet som du bør være kjent med før du begynner å arbeide med systemet.

Aviso Antes de instalar, funcionar com, ou prestar assistência ao sistema, leia o

Guia de Preparação e Segurança do Local. Este guia contém informações de segurança importantes que deve conhecer antes de trabalhar com o sistema.

¡Advertencia! Antes de instalar, manejar o arreglar el sistema, le aconsejamos que consulte laGuía de prevención y preparación de una instalación. Esta guía contiene importante información para su seguridad que debe saber antes de comenzar a trabajar con el sistema.

Varning! Innan du installerar, använder eller utför service på systemet ska du läsa

Förberedelser och säkerhet Handbok. Denna handbok innehåller viktig säkerhetsinformation som du bör känna till innan du arbetar med systemet.

 

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Appendix D Translated Safety Warnings

Qualified Personnel Warning

Qualified Personnel Warning

Warning Only trained and qualified personnel should be allowed to install or replace this equipment.Statement 1030

Waarschuwing Installatie en reparaties mogen uitsluitend door getraind en bevoegd personeel uitgevoerd worden.

Varoitus Ainoastaan koulutettu ja pätevä henkilökunta saa asentaa tai vaihtaa tämän laitteen.

Avertissement Tout installation ou remplacement de l'appareil doit être réalisé par du personnel qualifié et compétent.

Achtung Gerät nur von geschultem, qualifiziertem Personal installieren oder auswechseln lassen.

Avvertenza Solo personale addestrato e qualificato deve essere autorizzato ad installare o sostituire questo apparecchio.

Advarsel Kun kvalifisert personell med riktig opplæring bør montere eller bytte ut dette utstyret.

Aviso Este equipamento deverá ser instalado ou substituído apenas por pessoal devidamente treinado e qualificado.

¡Atención! Estos equipos deben ser instalados y reemplazados exclusivamente por personal técnico adecuadamente preparado y capacitado.

Varning Denna utrustning ska endast installeras och bytas ut av utbildad och kvalificerad personal.

 

 

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Appendix D Translated Safety Warnings

Invisible Laser Radiation Warning

Invisible Laser Radiation Warning

Warning Because invisible laser radiation may be emitted from the aperture of the port when no cable is connected, avoid exposure to laser radiation and do not stare into open apertures.Statement 70

Waarschuwing Omdat er onzichtbare laserstraling uit de opening van de poort geëmitteerd kan worden wanneer er geen kabel aangesloten is, dient men om blootstelling aan laserstraling te vermijden niet in de open openingen te kijken.

Varoitus Kun porttiin ei ole kytketty kaapelia, portin aukosta voi vuotaa näkymätöntä lasersäteilyä. Älä katso avoimiin aukkoihin, jotta et altistu säteilylle.

Attention Etant donné qu’un rayonnement laser invisible peut être émis par l’ouverture du port quand aucun câble n’est connecté, ne pas regarder dans les ouvertures béantes afin d’éviter tout risque d’exposition au rayonnement laser.

Warnung Aus der Öffnung des Ports kann unsichtbare Laserstrahlung austreten, wenn kein Kabel angeschlossen ist. Kontakt mit Laserstrahlung vermeiden und nicht in offene Öffnungen blicken.

 

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Appendix D Translated Safety Warnings

Laser Radiation

Avvertenza Poiché quando nessun cavo è collegato alla porta, da quest’ultima potrebbe essere emessa radiazione laser invisibile, evitare l’esposizione a tale radiazione e non fissare con gli occhi porte a cui non siano collegati cavi.

Advarsel Usynlige laserstråler kan sendes ut fra åpningen på utgangen når ingen kabel er tilkoblet. Unngå utsettelse for laserstråling og se ikke inn i åpninger som ikke er tildekket.

Aviso Evite uma exposição à radiação laser e não olhe através de aberturas expostas, porque poderá ocorrer emissão de radiação laser invisível a partir da abertura da porta, quando não estiver qualquer cabo conectado.

¡Advertencia! Cuando no esté conectado ningún cable, pueden emitirse radiaciones láser invisibles por el orificio del puerto. Evitar la exposición a radiaciones láser y no mirar fijamente los orificios abiertos.

Varning! Osynliga laserstrålar kan sändas ut från öppningen i porten när ingen kabel är ansluten. Undvik exponering för laserstrålning och titta inte in i ej täckta öppningar.

Laser Radiation

Warning Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or view directly with optical instruments.

Statement 272

Waarschuwing Losgekoppelde of losgeraakte glasvezels of aansluitingen kunnen onzichtbare laserstraling produceren. Kijk niet rechtstreeks in de straling en gebruik geen optische instrumenten rond deze glasvezels of aansluitingen.

Varoitus Irrotetuista kuiduista tai liittimistä voi tulla näkymätöntä lasersäteilyä. Älä tuijota säteitä tai katso niitä suoraan optisilla välineillä.

 

 

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Appendix D Translated Safety Warnings

Laser Radiation

Attention Les fibres ou connecteurs débranchés risquent d'émettre des rayonnements laser invisibles à l'œil. Ne regardez jamais directement les faisceaux laser à l'œil nu, ni d'ailleurs avec des instruments optiques.

Warnung Unterbrochene Fasern oder Steckerverbindungenkönnen unsichtbare Laserstrahlung abgeben. Blicken Sie weder mit bloßem Auge noch mit optischen Instrumenten direkt in Laserstrahlen.

Avvertenza Le fibre ottiche ed i relativi connettori possono emettere radiazioni laser. I fasci di luce non devono mai essere osservati direttamente o attraverso strumenti ottici.

Advarsel Det kan forekomme usynlig laserstråling fra fiber eller kontakter som er frakoblet. Stirr ikke direkte inn i strålene eller se på dem direkte gjennom et optisk instrument.

Aviso Radiação laser invisível pode ser emitida de conectores ou fibras desconectadas. Não olhe diretamente para os feixes ou com instrumentos ópticos.

¡Advertencia! Es posible que las fibras desconectadas emitan radiación láser invisible. No fije la vista en los rayos ni examine éstos con instrumentos ópticos.

Varning! Osynlig laserstrålning kan avges från frånkopplade fibrer eller kontaktdon. Rikta inte blicken in i strålar och titta aldrig direkt på dem med hjälp av optiska instrument.

 

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Appendix D Translated Safety Warnings

Attaching the Cisco RPS (model PWR300-AC-RPS-N1)

Attaching the Cisco RPS (model

PWR300-AC-RPS-N1)

Warning Attach only the Cisco RPS (modelPWR300-AC-RPS-N1)to the RPS receptacle.

Statement 100B

Waarschuwing Slechts de Cisco RPS (modelPWR300-AC-RPS-N1)aan de RPS contactdoos verbinden.

Varoitus KiinnitäRPS-vastakappaleeseenvain Cisco RPS (malliPWR300-AC-RPS-N1).

Avertissement Raccordez le bloc d’alimentation Cisco RPS (modèlePWR300-AC-RPS-N1)uniquement au connecteur RPS.

Warnung An dieRPS-Steckhülsedarf nur das Cisco RPS (ModellPWR300-AC-RPS-N1)angeschlossen werden.

Avvertenza Collegare soltanto il Cisco RPS (modelloPWR300-AC-RPS-N1)alla presa RPS.

Advarsel! Koble bare Cisco RPS (modellPWR300-AC-RPS-N1)tilRPS-stikkontakten.

Aviso Anexe o RPS Cisco (modeloPWR300-AC-RPS-N1)apenas ao receptáculo RPS.

¡Advertencia! Sólo conecte el Cisco RPS (modeloPWR300-AC-RPS-N1)al receptáculo RPS.

 

 

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Appendix D Translated Safety Warnings

Attaching the Cisco RPS (model PWR600-AC-RPS)

Varning! Koppla endast Ciscos RPS (modellPWR300-AC-RPS-N1)tillRPS-uttaget.

Attaching the Cisco RPS (model PWR600-AC-RPS)

Warning Attach only the Cisco RPS (modelPWR600-AC-RPS)to the RPS receptacle.

Statement 112

Waarschuwing Slechts de Cisco RPS (modelPWR600-AC-RPS)aan de RPS contactdoos verbinden.

Varoitus KiinnitäRPS-vastakappaleeseenvain Cisco RPS (malliPWR600-AC-RPS).

Avertissement Raccordez le bloc d’alimentation Cisco RPS (modèlePWR600-AC-RPS)uniquement au connecteur RPS.

Warnung An dieRPS-Steckhülsedarf nur das Cisco RPS (ModellPWR600-AC-RPS)angeschlossen werden.

Avvertenza Collegare soltanto il Cisco RPS (modelloPWR600-AC-RPS)alla presa RPS.

 

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Appendix D Translated Safety Warnings

Attaching the Cisco RPS (model PWR675-AC-RPS-N1)

Advarsel! Koble bare Cisco RPS (modellPWR600-AC-RPS)tilRPS-stikkontakten.

Aviso Anexe o RPS Cisco (modeloPWR600-AC-RPS)apenas ao receptáculo RPS.

¡Advertencia! Sólo conecte el Cisco RPS (modeloPWR600-AC-RPS)al receptáculo RPS.

Varning! Koppla endast Ciscos RPS (modellPWR600-AC-RPS)tillRPS-uttaget.

Attaching the Cisco RPS (model

PWR675-AC-RPS-N1)

Warning Attach only the Cisco RPS (modelPWR675-AC-RPS-N1)to the RPS receptacle.

Statement 100C

Waarschuwing Slechts de Cisco RPS (modelPWR675-AC-RPS-N1)aan de RPS contactdoos verbinden.

Varoitus KiinnitäRPS-vastakappaleeseenvain Cisco RPS (malliPWR675-AC-RPS-N1).

 

 

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Appendix D Translated Safety Warnings

Attaching the Cisco RPS (model PWR675-AC-RPS-N1)

Avertissement Raccordez le bloc d’alimentation Cisco RPS (modèlePWR675-AC-RPS-N1)uniquement au connecteur RPS.

Warnung An dieRPS-Steckhülsedarf nur das Cisco RPS (ModellPWR675-AC-RPS-N1)angeschlossen werden.

Avvertenza Collegare soltanto il Cisco RPS (modelloPWR675-AC-RPS-N1)alla presa RPS.

Advarsel! Koble bare Cisco RPS (modellPWR675-AC-RPS-N1)tilRPS-stikkontakten.

Aviso Anexe o RPS Cisco (modeloPWR675-AC-RPS-N1)apenas ao receptáculo RPS.

¡Advertencia! Sólo conecte el Cisco RPS (modeloPWR675-AC-RPS-N1)al receptáculo RPS.

Varning! Koppla endast Ciscos RPS (modellPWR675-AC-RPS-N1)tillRPS-uttaget.

 

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Appendix D Translated Safety Warnings

Redundant Power Supply Connection Warning

Redundant Power Supply Connection Warning

Warning If a redundant power system (RPS) is not connected to the switch, install an RPS connector cover on the back of the switch.Statement 265

Waarschuwing Als er geen redundant voedingssysteem (RPS) aan de schakelaar is gekoppeld, dient u eenRPS-connectorkapjeop de achterkant van de schakelaar te installeren.

Varoitus Jos korvautuvaa tehojärjestelmää (redundant power system, RPS) ei ole liitetty kytkimeen, kiinnitäRPS-liittimensuojus kytkimen takapuolelle.

Attention Si un système d’alimentation électrique redondant (RPS) n’est pas connecté au commutateur, installez un cache de connecteur RPS à l’arrière du commutateur.

Warnung Wenn keine redundante Stromversorgung (RSV) an den Schalter angeschlossen ist, eineRSV-Steckerabdeckungan der Rückseite des Schalters anbringen.

Avvertenza Se un sistema RPS (Redundant Power System ) di alimentazione ridondante non è collegato al dispositivo switch, installare uncopri-connettoreRPS sul retro del switch.

Advarsel Dersom et redundant strømsystem ( Redundant Power System-RPS)ikke er koblet til bryteren, skal det installeres etRPS-koblingsdekselpå baksiden av bryteren.

Aviso Se um sistema de alimentação redundante (RPS) não estiver conectado a um switch, instale uma capa de conector RPS na parte de trás do switch.

¡Advertencia! Si no se conecta un sistema de potencia redundante (RPS) al interruptor, instale una cubierta de conector RPS en la parte posterior del interruptor.

 

 

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Appendix D Translated Safety Warnings

Switch Installation Warning

Varning! Om ett redundant strömförsörjningssystem (redundant power system, RPS) inte finns anslutet till switchen skall ettRPS-kontaktskyddinstalleras på switchens baksida.

Switch Installation Warning

Warning To comply with safety regulations, mount switches on a wall with the front panel facing up.Statement 266

Waarschuwing Om te voldoen aan de veiligheidsvoorschriften dient u de schakelaars op een muur te monteren met het voorpaneel omhoog.

Varoitus Turvallisuusmääräykset edellyttävät, että kytkimet kiinnitetään seinään etupaneeli ylöspäin.

Attention Pour satisfaire aux dispositions de sécurité, installez les commutateurs muraux avec le panneau frontal vers le haut.

 

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Appendix D Translated Safety Warnings

Switch Installation Warning

Warnung Zur Einhaltung der Sicherheitsvorschriften die Schalter so an einer Wand montieren, dass die Frontplatte nach oben zeigt.

Figyelem! A biztonsági elõírások betartása érdekében a kapcsolókat úgy szerelje a falra, hogy az elõlapjuk felfelé nézzen.

Avvertenza In conformità ai regolamenti di sicurezza, installare i dispositivi switch a muro con il pannello frontale rivolto in su.

Advarsel For å etterkomme sikkerhetsreglene skal brytere monteres på en vegg med frontpanelet vendt opp.

Aviso Para cumprir com os regulamentos de segurança, faça a montagem de switches em uma parede com o painel frontal virado para cima.

¡Advertencia! Para cumplir con las reglas de seguridad, instale los interruptores en una pared con el panel del frente hacia arriba.

Varning! För att uppfylla säkerhetsföreskrifter skall omkopplarna monteras på en vägg med frampanelen riktad uppåt.

 

 

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Appendix D Translated Safety Warnings

Chassis Warning for Rack-Mountingand Servicing

Chassis Warning for Rack-Mountingand Servicing

Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:

This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack.

If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack. Statement 1006

Waarschuwing Om lichamelijk letsel te voorkomen wanneer u dit toestel in een rek monteert of het daar een servicebeurt geeft, moet u speciale voorzorgsmaatregelen nemen om ervoor te zorgen dat het toestel stabiel blijft. De onderstaande richtlijnen worden verstrekt om uw veiligheid te verzekeren:

Dit toestel dient onderaan in het rek gemonteerd te worden als het toestel het enige in het rek is.

Wanneer u dit toestel in een gedeeltelijk gevuld rek monteert, dient u het rek van onderen naar boven te laden met het zwaarste onderdeel onderaan in het rek.

Als het rek voorzien is van stabiliseringshulpmiddelen, dient u de stabilisatoren te monteren voordat u het toestel in het rek monteert of het daar een servicebeurt geeft.

Varoitus Kun laite asetetaan telineeseen tai huolletaan sen ollessa telineessä, on noudatettava erityisiä varotoimia järjestelmän vakavuuden säilyttämiseksi, jotta vältytään loukkaantumiselta. Noudata seuraavia turvallisuusohjeita:

Jos telineessä ei ole muita laitteita, aseta laite telineen alaosaan.

Jos laite asetetaan osaksi täytettyyn telineeseen, aloita kuormittaminen sen alaosasta kaikkein raskaimmalla esineellä ja siirry sitten sen yläosaan.

Jos telinettä varten on vakaimet, asenna ne ennen laitteen asettamista telineeseen tai sen huoltamista siinä.

 

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Appendix D Translated Safety Warnings

Chassis Warning for Rack-Mountingand Servicing

Attention Pour éviter toute blessure corporelle pendant les opérations de montage ou de réparation de cette unité en casier, il convient de prendre des précautions spéciales afin de maintenir la stabilité du système. Les directivesci-dessoussont destinées à assurer la protection du personnelþ:

Si cette unité constitue la seule unité montée en casier, elle doit être placée dans le bas.

Si cette unité est montée dans un casier partiellement rempli, charger le casier de bas en haut en plaçant l'élément le plus lourd dans le bas.

Si le casier est équipé de dispositifs stabilisateurs, installer les stabilisateurs avant de monter ou de réparer l'unité en casier.

Warnung Zur Vermeidung von Körperverletzung beim Anbringen oder Warten dieser Einheit in einem Gestell müssen Sie besondere Vorkehrungen treffen, um sicherzustellen, daß das System stabil bleibt. Die folgenden Richtlinien sollen zur Gewährleistung Ihrer Sicherheit dienen:

Wenn diese Einheit die einzige im Gestell ist, sollte sie unten im Gestell angebracht werden.

Bei Anbringung dieser Einheit in einem zum Teil gefüllten Gestell ist das Gestell von unten nach oben zu laden, wobei das schwerste Bauteil unten im Gestell anzubringen ist.

Wird das Gestell mit Stabilisierungszubehör geliefert, sind zuerst die Stabilisatoren zu installieren, bevor Sie die Einheit im Gestell anbringen oder sie warten.

Avvertenza Per evitare infortuni fisici durante il montaggio o la manutenzione di questa unità in un supporto, occorre osservare speciali precauzioni per garantire che il sistema rimanga stabile. Le seguenti direttive vengono fornite per garantire la sicurezza personale:

Questa unità deve venire montata sul fondo del supporto, se si tratta dell’unica unità da montare nel supporto.

Quando questa unità viene montata in un supporto parzialmente pieno, caricare il supporto dal basso all’alto, con il componente più pesante sistemato sul fondo del supporto.

Se il supporto è dotato di dispositivi stabilizzanti, installare tali dispositivi prima di montare o di procedere alla manutenzione dell’unità nel supporto.

 

 

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Appendix D Translated Safety Warnings

Chassis Warning for Rack-Mountingand Servicing

Advarsel Unngå fysiske skader under montering eller reparasjonsarbeid på denne enheten når den befinner seg i et kabinett. Vær nøye med at systemet er stabilt. Følgende retningslinjer er gitt for å verne om sikkerheten:

Denne enheten bør monteres nederst i kabinettet hvis dette er den eneste enheten i kabinettet.

Ved montering av denne enheten i et kabinett som er delvis fylt, skal kabinettet lastes fra bunnen og opp med den tyngste komponenten nederst i kabinettet.

Hvis kabinettet er utstyrt med stabiliseringsutstyr, skal stabilisatorene installeres før montering eller utføring av reparasjonsarbeid på enheten i kabinettet.

Aviso Para se prevenir contra danos corporais ao montar ou reparar esta unidade numa estante, deverá tomar precauções especiais para se certificar de que o sistema possui um suporte estável. As seguintes directrizesajudá-lo-ãoa efectuar o seu trabalho com segurança:

Esta unidade deverá ser montada na parte inferior da estante, caso seja esta a única unidade a ser montada.

Ao montar esta unidade numa estante parcialmente ocupada, coloque os itens mais pesados na parte inferior da estante, arrumando-osde baixo para cima.

Se a estante possuir um dispositivo de estabilização, instale-oantes de montar ou reparar a unidade.

¡Advertencia! Para evitar lesiones durante el montaje de este equipo sobre un bastidor, o posteriormente durante su mantenimiento, se debe poner mucho cuidado en que el sistema quede bien estable. Para garantizar su seguridad, proceda según las siguientes instrucciones:

Colocar el equipo en la parte inferior del bastidor, cuando sea la única unidad en el mismo.

Cuando este equipo se vaya a instalar en un bastidor parcialmente ocupado, comenzar la instalación desde la parte inferior hacia la superior colocando el equipo más pesado en la parte inferior.

Si el bastidor dispone de dispositivos estabilizadores, instalar éstos antes de montar o proceder al mantenimiento del equipo instalado en el bastidor.

 

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Appendix D Translated Safety Warnings

Chassis Warning for Rack-Mountingand Servicing

Varning! För att undvika kroppsskada när du installerar eller utför underhållsarbete på denna enhet på en ställning måste du vidta särskilda försiktighetsåtgärder för att försäkra dig om att systemet står stadigt. Följande riktlinjer ges för att trygga din säkerhet:

Om denna enhet är den enda enheten på ställningen skall den installeras längst ned på ställningen.

Om denna enhet installeras på en delvis fylld ställning skall ställningen fyllas nedifrån och upp, med de tyngsta enheterna längst ned på ställningen.

Om ställningen är försedd med stabiliseringsdon skall dessa monteras fast innan enheten installeras eller underhålls på ställningen.

 

 

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Appendix D Translated Safety Warnings

Chassis Warning for Rack-Mountingand Servicing

 

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Numerics

10/100/1000 ports connecting to 3-20 to 3-22 described1-3

10/100BASE-T1-8

10/100 ports

connecting to 3-20 to 3-22 described1-3

1000BASE-LX/LHGBICs4-3

1000BASE-LXSFP modules4-12

1000BASE-SXGBICs4-3

1000BASE-SXSFP modules4-12

1000BASE-T 1-4, 1-6, 1-7

1000BASE-TSFP modules4-12

1000BASE-TXGBICs4-3

1000BASE-X1-2

1000BASE-X(CWDM) GBICs4-3

1000BASE-X(CWDM) SFP modules4-12

1000BASE-ZXGBICs4-3

1000BASE-ZXSFP modules4-12

100BASE-T1-4

10BASE-T1-4, 1-8

10BASE-TXRJ-45connector3-23

19and 24-inchracks3-7

I N D E X

802.1D Spanning Tree 1-5

802.3z, IEEE C-1

802.3z 1000BASE-LX,IEEE standard4-3, 4-11

A

airflow 1-9 to 1-11

attaching the cable guide 3-15 autonegotiation1-4

B

BER 4-10

bit error rate

See BER

blower

see airflow

boot process

observing LEDs 3-23

brackets

See mounting brackets

 

 

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Index

C

cable guide attaching 3-15

cabling

GBIC 4-4, 4-5 mode-conditioning 4-10

Catalyst 2948G-GE-TXswitch 10/100/1000 ports1-3

heat dissipation 2-2 illustration 1-2 management ports 1-8, 3-22

Catalyst 2948G switch 10/100 ports 1-2 heat dissipation2-2 illustration1-2

management ports 1-8, 3-22

Catalyst 2980G-A switch heat dissipation 2-3 management ports 1-8, 3-22

referred to with Catalyst 2980G switch 1-1

Catalyst 2980G switch 10/100 ports 1-2 heat dissipation2-3 illustration1-2

CDP 1-5

CGMP 1-5 checking

shipping container contents (Catalyst 2948G and 2980G switches) 3-4

shipping container contents (Catalyst 2948G-GE-TX)3-5

checklist rack-mount3-7 site planning2-7

Cisco Discovery Protocol

See CDP

Cisco Group Management Protocol

See CGMP

CLI 1-5

command-lineinterfaceSee CLI

commands show port 4-9

configuration, patch cord (figure) 4-11 connecting

to 10/100/1000 ports 3-20 to 3-22 to 10/100 ports3-20 to 3-22

to console serial port 3-22

to Ethernet management port 3-22 to SFP modules4-12 to 4-16

connections, earth ground 2-3 connectors

10BASE-TXRJ-453-23

SC-type4-8 console serial port

connecting 3-22 description1-8

conventions, document xvii

 

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cooling

See airflow crossover cable

connecting to 10/100/1000 ports 3-21

10/100 ports 3-21

customer service, contacting 5-5

CWDM GBICs

see 1000BASE-X (CWDM) GBICs CWDM SFP modules

see 1000BASE-X (CWDM) SFP modules

Index

1000BASE-X1-2

100BASE-T1-4

10BASE-T1-4

F

fan assembly 1-9 see airflow

features, switch 1-4 to 1-6

frequency, specifications A-3, A-5, A-7

G

D

 

 

 

 

GBICs

 

 

 

 

differential mode delay

C-1

cabling 4-4

 

 

 

dimensions, chassis

 

 

cabling restrictions

4-5

 

 

 

Catalyst 2948G A-3

 

 

care and handling

4-6, 4-8, 4-9, 4-10

 

 

 

Catalyst 2948G-GE-TX

A-7

description 1-3

 

 

 

 

Catalyst 2980G A-7

 

 

Ethernet interfaces

1-2

 

 

documentation, obtaining xxiii

features

4-2

 

 

 

document conventions

xvii

 

installing

4-6

 

 

 

 

 

 

 

maintenance guidelines 4-6, 4-8, 4-9 to 4-10

 

 

 

 

optical power 4-5

 

 

 

E

 

 

 

 

 

 

 

patch cord 4-10

 

 

 

 

 

 

 

 

 

 

EMC regulatory statements

3-2 to 3-4

port configuration

4-1

 

 

Ethernet interfaces 1-4

 

 

removing 4-9

 

 

 

Ethernet management port

 

speeds 1-2

 

 

 

 

connecting 3-22

 

 

Gigabit Interface Converter

Ethernet speeds

 

 

See GBICs

 

 

 

 

 

 

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guide

 

 

 

 

 

 

 

78-6286-05

 

 

 

 

 

 

IN-3

 

 

 

 

 

 

 

Index

grounding

holes 2-4

procedure 2-5 to 2-7

tools 2-4

H

heat dissipation

Catalyst 2948G-GE-TXswitches2-2, A-3, A-5

Catalyst 2948G switches 2-2, A-3, A-5

Catalyst 2980G switches 2-2, A-7

I

IEEE 802.1D Spanning Tree 1-5

IEEE 802.3z C-1

IEEE 802.3z 1000BASE-LXstandard4-3

installations

connecting a terminal to the console serial and Ethernet management ports 3-22

rack-mounting

Catalyst 2948G and 2980G

switches 3-7 to 3-9

Catalyst 2948G-GE-TX

switches 3-10 to 3-15

tools required 3-6

tableor shelf-mounting

Catalyst 2948G-GE-TXswitch3-19

troubleshooting 5-1

wall-mounting3-16

Catalyst 2948G-GE-TXswitch3-16 to 3-18 invisible radiation warningD-10 to D-11

L

laser radiation warning D-11 to D-13 laser transmissionC-1

Layer 2 forwarding 1-4

LEDs

Link Status 1-8, A-2 power supply3-19, 5-3

PSI 1-9

PWR 1-9

RPS 1-9

STATUS 1-9

Link Status LED 1-8, A-2

M

MAC addresses 1-4 management, software1-5 management ports1-8

10/100BASE-T1-8

10BASE-T1-8 console serial1-8

MDIX connectors

See media-dependent interface crossed-over connectors

 

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guide

IN-4

78-6286-05

Index

Media Access Control addresses

See MAC addresses

media-dependentinterfacecrossed-overconnectors3-22

memory A-3, A-7 microprocessor A-3, A-7

MMF 4-4

mounting, tableor shelf- 3-19 mounting,wall-mounting3-16 mounting brackets

Catalyst 2948G and 2980A

switches 3-7 to 3-8

Catalyst 2948G-GE-TXswitch3-10 to 3-14 multimodefiber-optic

See MMF

O

obtaining technical assistance xxiv overfilled launch conditionC-2

P

packaging materials B-1 packing list3-5

PAgp

for port aggregation 1-5 patch cord

configuration (figure) 4-11 description4-10

installing 4-11

mode-conditioning4-4, 4-6

Port Aggregation Protocol

See PAgP

port cabling specifications 4-4

ports

locations 1-6

management 1-8 power

requirements 2-2 site planning2-2 specifications

Catalyst 2948G-GE-TXswitchA-3, A-5

Catalyst 2948G switch A-3, A-5

Catalyst 2980G switch A-7 troubleshooting5-2

power supplies

connecting system ground 2-3 description1-11

internal 1-11

LEDs 5-3

RPS 1-11

RPS 300 1-12

RPS 600 1-12

RPS 675 1-12 supported1-6

troubleshooting 5-2, 5-3, 5-4

 

 

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guide

 

 

 

 

 

 

78-6286-05

 

 

IN-5

 

 

 

Index

procedures

connecting system ground 2-3 connecting to an SFP module4-12 to 4-16 connecting to the console serial port3-22

connecting to the Ethernet management port 3-22

installing a GBIC 4-6 installing a patch cord4-11 removing a GBIC4-9 repacking a switchB-1

protocols

802.1D Spanning Tree 1-5

CDP 1-5

CGMP 1-5

PAgP 1-5

SNMP 1-6

TFTP 1-5

VTP (Virtual Terminal Protocol) 1-5

PSI LED 1-9

PWR LED 1-9

Q

qualified personnel warning D-9 to D-10

R

rack-mounting

Catalyst 2948G and 2980G

switches 3-7 to 3-9

Catalyst 2948G-GE-TXswitch3-10 to 3-15 rack-mountingkit3-7

rack-mountingwarningD-20 to D-24

Redundant Power System

See RPS

regulatory statements, EMC 3-2 to 3-4

Remote Monitoring

See RMON

repacking instructions B-1 returnsB-1

RMON 1-5, 1-6

RPS 1-11, 5-4

See power supplies

RPS 300 1-12

RPS 300 warning D-13 to D-14

RPS 600 1-12

RPS 600 warning D-14 to D-15

RPS 675 1-12

RPS 675 warning D-15 to D-16

RPS LED 1-9

S

safety information warning D-7 to D-8

 

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guide

IN-6

78-6286-05

Index

SFP modules

connecting to 4-12 to 4-16 shelf-mounting3-19 shipping

container contents (Catalyst 2948G and 2980G switches) 3-4

container contents (Catalyst 2948G-GE-TXswitches)3-5

instructions B-1

show port command 4-9

Simple Network Management Protocol

See SNMP

site planning checklist 2-7

heat dissipation 2-2

small form-factorpluggable modules see SFP modules4-12

SNMP 1-5

software management 1-5 specifications

Catalyst 2948G switch A-2, A-5

Catalyst 2980G switch A-6

GBIC optical power 4-5 startup problems5-3

STATUS LED 1-9 straight-throughcable

connecting to 10/100/1000 ports 3-21

10/100 ports 3-21

switch installation warning D-18 to D-19

switch verification 3-23

system component level problems 5-2

T

table-mounting3-19

technical assistance, obtaining xxiv telco racks3-7

terminals

connecting to the console serial port 3-22

connecting to the Ethernet management port 3-22

tools, installation 3-6 troubleshooting

contacting customer service 5-5 getting started5-2

identifying startup problems 5-3 initial boot5-2

methodology 5-2

power supplies 5-2, 5-3, 5-4

V

verifying switch operation 3-23 virtual LANs

See VLANs

Virtual Terminal Protocol

See VTP (Virtual Terminal Protocol)

VLANs 1-5

 

 

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guide

 

 

 

 

 

 

78-6286-05

 

 

IN-7

 

 

 

Index

VLAN Trunk Protocol

See VTP (VLAN Trunk Protocol)

VTP (Virtual Terminal Protocol) 1-5

VTP (VLAN Trunk Protocol) 1-5

W

wall-mounting3-16 warning

definition D-2 to D-4

invisible radiation D-10 to D-11 laser radiationD-11 to D-13

qualified personnel information D-9 to D-10 rack mountingD-20 to D-24

RPS 300 D-13 to D-14

RPS 600 D-14 to D-15

RPS 675 D-15 to D-16

safety information D-7 to D-8 switch installationD-18 to D-19

weight, chassis Catalyst 2948G A-3

Catalyst 2948G-GE-TXA-5

Catalyst 2980G A-7

 

Catalyst 2984G, 2948G-GE-TX,and 2980G Switch Hardware Installation Guide

IN-8

78-6286-05