Podręcznik linii 3com 3cr17661 91

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CONTENTS 7

Upgrade Using FTP (via network port) 63

8 CONTENTS

Telephone Technical Support and Repair 98

Contact Us 99

INDEX

REGULATORY NOTICES

ABOUT THIS GUIDE

This guide provides all the information you need to install and use the 3Com® Switch 4200G Family.

The guide is intended for use by network administrators who are responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks).

Before You Start This section contains information about the documents and CD-ROM that accompany your Switch 4200G.

Release Notes The Release Notes provide important information about the current software release, including new features, modifications, and known problems. You should read the Release Notes before installing the Switch in your network.

If the information in the Release Notes differ from the information in this guide, follow the instructions in the Release Notes.

About Your CD-ROM The CD-ROM contains the following:

Online documentation for the Switch 4200G—refer to Related Documentation on page 11 for details.

A link to 3Com Network Director software.

A number of other useful links.

Most user guides and Release Notes are available in Adobe Acrobat

Reader Portable Document Format (PDF) or HTML on the 3Com

World Wide Web site:

http://www. 3com. com/

10 ABOUT THIS GUIDE

Identify menu names, menu commands, and software button names. Examples:

From the Help menu, select Contents.

Click OK.

1Insert the CD-ROM into your CD-ROM drive. If your PC has auto-run enabled, a splash screen will be displayed automatically.

2Select the Documentation section from the contents page.

If the online documentation is to be accessed from a local drive or server, you will need to access the CD-ROM contents using the root directory and copy the files from the CD-ROM to a suitable directory.

The PDF Command Reference Guide is stored in the Docs directory on the CD-ROM.

The PDF Configuration Guide is stored in the Docs directory of the CD-ROM.

12 ABOUT THIS GUIDE

This chapter contains introductory information about the Switch 4200G and how it can be used in your network. It covers summaries of hardware and software features and also the following topics:

About the Switch 4200G

Switch 4200G—Front View Detail

Switch 4200G — Rear View Detail

Default Settings

14 CHAPTER 1: INTRODUCING THE SWITCH 4200G FAMILY

About the Switch 4200G

The Switch 4200G Family are mixed media devices which consist of:

12, 24 or 48 10/100/1000BASE-T ports

Four 1000BASE-X SFP ports

One option module slot for a 10 Gigabit Ethernet port module on the Switch 4200G 12-Port. Requires an optional XFP.

Two option module slots for a 10 Gigabit Ethernet port module on the Switch 4200G 24-Port and the Switch 4200G 48-Port.

One RJ-45 connector for serial management

The Switch 4200G Family provides high-performance workgroups with a backbone to server connection. You can also add the Switch 4200G Family to any SuperStack® system as your network grows.

For information about using the software features of the Switch, refer to the “Command Reference Guide” and the “Configuration Guide” on the CD-ROM that accompanies the Switch.

Summary of Table 3 summarizes the hardware features that are supported by the

Hardware Features Switch 4200G.

Table 3 Hardware Features

Switch 4200G—Front View Detail 15

Table 3 Hardware Features (continued)

Switch 4200G—Front View

LEDs

Figure 2 Switch 4200G 24-Port—front view

Unit Status

Display

16 CHAPTER 1: INTRODUCING THE SWITCH 4200G FAMILY

Figure 3 Switch 4200G 48-Port—front view

WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as standard traditional telephone sockets, or to connect the unit to a traditional PBX or public telephone network. Only connect RJ-45 data connectors, network telephony systems, or network telephones to these sockets.

Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets.

10/100/1000BASE-T The Switch 4200G has 12, 24 or 48 auto-negotiating

Ports 10BASE-T/100BASE-TX ports configured as Auto MDIX (crossover). When auto-negotiation is enabled these ports automatically operate in MDI or MDIX mode as needed. These ports provide 10/100/1000 Mbps full-duplex connections to other Gigabit Ethernet devices. Full-duplex allows packets to be transmitted and received simultaneously which effectively doubles the potential throughput of a link.

These ports require either straight-through or cross-over Category 5 cables with RJ-45 connectors at each end. The maximum UTP cable length is 100 m (328 ft) over Category 5 cable.

The 10/100/1000BASE-T ports will auto-negotiate the appropriate speed.

Switch 4200G—Front View Detail 17

1000BASE-X SFP Ports SFP (Small Form Factor Pluggable) ports support fiber Gigabit Ethernet long-wave (LX), long-haul (LH70) and copper (T) SFP Transceivers in any combination. This offers you the flexibility of using SFP transceivers to provide connectivity between the Switch and remote 1000 Mbps workgroups or to create a high capacity aggregated link backbone connection.

The default state for these ports is auto-negotiation enabled, where the speed, duplex and flow control modes are negotiated. As the speed and duplex modes are fixed by the media type, only the flow control is negotiated with the link partner. Alternatively, auto-negotiation can be disabled (except 1000BASE-T which auto-negotiation is mandatory) and the flow control setting can be manually configured.

Console Port The console port allows you to connect a terminal and perform remote or local out-of-band management. As the console port on the Switch is an RJ-45 port, you will need to connect an RJ-45 to DB9 converter cable to a standard null modem cable in order to connect a terminal.

Unit Status Display The Status Display is a seven segment display visible on the front of the Switch. The Status Display indicates switch status conditions such as the unit number, POST test ID, and software upgrade information. In the unlikely event of a hardware fault occurring, the Status Display may be used to help diagnose the problem. For information on using the Status Display for problem solving, see “Solving Problems Indicated by LEDs” on page 54.

Table 4 Status Display

18 CHAPTER 1: INTRODUCING THE SWITCH 4200G FAMILY

Table 4 Status Display (continued)

LEDs Table 5 lists LEDs visible on the front of the Switch, and how to read their status. For information on using the LEDs for problem solving, see “Solving Problems Indicated by LEDs” on page 54.

Table 5 LED Behavior

Switch 4200G — Rear View Detail 19

Table 5 LED Behavior (continued)

Switch 4200G — Figure 4 Switch 4200G—rear view

Rear View Detail

Power Socket The Switch automatically adjusts its power setting to any supply voltage in the range 100–240 VAC.

10 Gbps Interface The MOD 1 and MOD 2 interface slots accept the 10 Gbps SFP modules.

Slots

20 CHAPTER 1: INTRODUCING THE SWITCH 4200G FAMILY

Default Settings Table 6 shows the default settings for the Switch 4200G Family.

Table 6 Default Settings

This chapter contains the information you need to install and set up the

Switch 4200G. It covers the following topics:

Package Contents

Choosing a Suitable Site

Rack-mounting

Placing Units On Top of Each Other

The Power-up Sequence

SFP Operation

Choosing the Correct Cables

WARNING: Safety Information. Before installing or removing any components from the Switch 4200G or carrying out any maintenance procedures, you must read the safety information provided in Appendix A of this guide.

AVERTISSEMENT: Consignes de sécurité. Avant d'installer ou d'enlever tout composant du Switch 4200G ou d'entamer une procédure de maintenance, lisez les informations relatives à la sécurité qui se trouvent dans l'Appendice A de ce guide.

VORSICHT: Sicherheitsinformationen. Bevor Sie Komponenten aus dem Switch 4200G entfernen oder dem Switch 4200G hinzufuegen oder Instandhaltungsarbeiten verrichten, lesen Sie die Sicherheitsanweisungen, die in Appendix A (Anhang A) in diesem Handbuch aufgefuehrt sind.

ADVERTENCIA: Información de seguridad. Antes de instalar o extraer cualquier componente del Switch 4200G o de realizar tareas de mantenimiento, debe leer la información de seguridad facilitada en el Apéndice A de esta guía del usuario.

22 CHAPTER 2: INSTALLING THE SWITCH

AVVERTENZA: Informazioni di sicurezza. Prima di installare o rimuovere qualsiasi componente dal Switch 4200G o di eseguire qualsiasi procedura di manutenzione, leggere le informazioni di sicurezza riportate nell'Appendice A della presente guida per l'utente.

OSTRZEŻENIE: Informacje o zabezpieczeniach. Przed instalacją lub usunięciem jakichkolwiek elementów z product lub przeprowadzeniem prac konserwacyjnych należy zapoznać się z informacjami o bezpieczeństwie zawartymi w Załączniku A niniejszego podręcznika.

CAUTION: Ensure that the ventilation holes are not obstructed.

When deciding where to position the Switch, ensure that:

Cabling is located away from:

sources of electrical noise such as radios, transmitters and broadband amplifiers.

power lines and fluorescent lighting fixtures

The Switch is accessible and cables can be connected easily.

Rack-mounting 23

Water or moisture cannot enter the case of the Switch.

Air flow is not restricted around the Switch or through the vents in the side of the Switch. 3Com recommends that you provide a minimum of 25mm (1in. ) clearance.

Air temperature around the Switch does not exceed 40 °C (104 °F).

If the Switch is installed in a 19-inch rack or closed assembly its local air temperature may be greater than room ambient temperature.

The air is as free from dust as possible.

The unit is installed in a clean, air conditioned environment.

No more than four Switch units are placed on top of one another, if the units are free-standing.

You can also rack mount your Switch using the mounting holes at the rear of the Switch.

24 CHAPTER 2: INSTALLING THE SWITCH

Figure 5 Fitting a Bracket for Rack-Mounting

3Insert the two screws and tighten with a suitable screwdriver.

You must use the screws supplied with the mounting brackets. Damage caused to the unit by using incorrect screws invalidates your warranty.

4Repeat step 2 and step 3 for the other side of the Switch.

5Insert the Switch into the 19-inch rack and secure with suitable screws (not provided). Ensure that ventilation holes are not obstructed.

6Connect network cabling.

7Finally place a unit information label on the unit in an easily accessible position. The unit information label shows the following:

3Com product name of the Switch

3Com 3C number of the Switch

Unique MAC address (Ethernet address) of the Switch

Serial number of the Switch

You may need this information if you contact 3Com Technical Support.

Placing Units On Top of Each Other 25

Placing Units On If the Switch units are free-standing, up to four units can be placed one Top of Each Other on top of the other. If you are mixing a variety of 3Com equipment, the smaller units must be positioned at the top.

If you are placing Switch units one on top of the other, you must use the self-adhesive rubber feet supplied. Apply the feet to the underside of each Switch, sticking one in the marked area at each corner. Place the Switch units on top of each other, ensuring that the feet of the upper unit sit fully on the lower unit.

Powering-up the Use the following sequence of steps to power-up the Switch.

Switch 4200G

1Plug the power cord into the power socket at the rear of the Switch.

2Plug the other end of the power cord into your power outlet.

The Switch powers-up and runs through its Power On Self Test (POST), which takes approximately one minute.

Checking for Correct During the Power On Self Test, all ports on the Switch are disabled and Operation of LEDs the LEDs light. The PWR LED will flash green during the POST.

When the POST has completed, check the PWR LED to make sure that your Switch is operating correctly. Table 7 shows possible colors for the LED.

Table 7 PWR LED Colors

*In this event you can still use the Switch using the remaining ports that have passed the POST.

26 CHAPTER 2: INSTALLING THE SWITCH

Approved SFP The following list of approved Gigabit Ethernet SFP transceivers is correct Transceivers at the time of publication.

3CSFP92 SFP (1000BASE-LX)

3CSFP97 SFP (1000BASE-LH70)

3CSFP93 SFP (1000BASE-T)

To access the latest list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your internet browser:

http://www. com

Inserting an SFP To be recognized as valid, the SFP transceiver must have the following Transceiver characteristics:

1000BASE-LX SFP transceiver

Use this transceiver to connect Gigabit Ethernet SFP ports on the Switch directly to a single-mode fiber-optic cable or to multimode fiber using a conditioned launch cable.

1000BASE-LH70 SFP transceiver

Use this transceiver to connect Gigabit Ethernet SFP ports on the Switch directly to a single-mode fiber-optic cable.

SFP Operation 27

1000BASE-T SFP transceiver

This transceiver uses Category 5 copper cabling with RJ-45 connectors and supports segment lengths of up to 100 m (328 ft).

If the SFP transceiver is faulty, it will not operate within the Switch. See

“Solving Hardware Problems” on page 55.

3Com recommends that you only use SFPs supplied by 3Com. If the SFP transceiver is invalid it will not be recognized by the Switch.

Use the following sequence of steps to activate the SFP ports:

1The SFP transceiver is keyed and there is only one way in which it can be installed correctly. It is not necessary to power-down your Switch.

2Hold the transceiver so that the connector is toward you and the product label is visible. Ensure the wire release lever is closed (in the upright position).

3Gently slide the transceiver into the SFP port until it clicks. If the transceiver does not click into place, remove it, turn it over and re-insert.

4Remove the plastic protective cover if fitted.

Figure 6 Inserting an SFP Transceiver

Product label

Suitable port on host Switch

5Use and appropriate cable to connect the transceiver to a suitable device.

6Check the LEDs on the front of the Switch to ensure that it is operating correctly. Refer to “LEDs” on page 18 for more information.

28 CHAPTER 2: INSTALLING THE SWITCH

1Disconnect the cable from the transceiver.

2Move the wire release lever downwards until it is pointing toward you.

3Pull the wire release lever toward you to release the catch mechanism; the transceiver will then easily slide out.

Table 8 Cables required to connect the Switch to other devices if auto-negotiation is disabled

Switch to Switch (MDIX to MDIX)

Switch to Hub (MDIX to MDIX)

Switch to PC (NIC) (MDIX to MDI)

CAUTION: If you want to install the Switch using a Category 5E or Category 6 cable, 3Com recommends that you briefly connect the cable to a grounded port before connecting network equipment. If you do not, the cable’s Electrostatic Discharge (ESD) may damage the Switch's port.

You can create a grounded port by connecting all wires at one end of a UTP cable to an earth ground point, and the other end to a female RJ-45 connector located, for example, on a Switch rack or patch panel. The RJ-45 connector is now a grounded port.

3Com recommends that you use Category 5 twisted pair cable—the maximum segment length for this type of cable is 100 m (328 ft).

Choosing the Correct All of the ports on the front of the Switch 4200G 28-Port are Cables for the 100BASE-FX MT-RJ multi-mode ports. The MT-RJ port is a small form

Switch 4200G factor fiber-optic port with the transmit and receive fibers in the same cable. Unlike many fiber-optic systems, only one MT-RJ cable is needed to connect two MT-RJ ports together.

To connect a front panel port to another 100BASE-FX MT-RJ multi-mode port, or to a patch panel, a single MT-RJ multi-mode pinless jumper cable is required. Since standard MT-RJ cables are cross-over cables, no Auto-MDIX sensing is required. The maximum cable length is 2 kilometers (1. 24 miles).

CAUTION: Do not connect pinned MT-RJ connectors into any port on the Switch 4200G as this may damage the unit. The ports have locator pins fitted and are designed for standard (pinless) connectors.

To connect a front panel port to a 100BASE-FX single mode port, or to a port that does not have an MT-RJ connector, an adaptor will be required. It is not possible to connect a front panel port to a 1000BASE-FX port.

30 CHAPTER 2: INSTALLING THE SWITCH

To make full use of the features offered by your Switch, and to change and monitor the way it works, you have to access the management software that resides on the Switch. This is known as managing the Switch.

Managing the Switch can help you to improve the efficiency of the

Switch and therefore the overall performance of your network.

This chapter explains the initial set up of the Switch and the different methods of accessing the management software to manage a Switch. It covers the following topics:

Methods of Managing a Switch

Setting Up Overview

Manually Configuring IP Information

Viewing Automatically Configured IP Information

Setting Up Command Line Interface Management

Setting Up Command Line Interface Management using SSH

Setting Up Web Interface Management

Setting Up SNMP Management V1 or V2

Default Users and Passwords

Configuration Conversion Utility

32 CHAPTER 3: SETTING UP FOR MANAGEMENT

Methods of

Managing a Switch

Command Line

Interface

Management

To manage your Switch you can use one of the following methods:

Command line interface management

Command line interface management using SSH

Web interface management

SNMP management

Each Switch has a command line interface (CLI) that allows you to manage the Switch from a workstation, either locally using a console port connection (see Figure 7), or remotely over the network (see Figure 8).

Figure 7 CLI Management using the Console Port

Workstation

(with terminal emulation Switch software installed)

Console Port

Connection

Console Cable

Figure 8 CLI Management over the Network

Connect over Network via Telnet

Refer to “Setting Up Command Line Interface Management” on page 46.

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3Com® Switch 4200G Family

Getting Started Guide

4200G 12-Port (3CR17660-91)

4200G 24-Port (3CR17661-91)

4200G 48-Port (3CR17662-91)

www. 3Com. com

Part No. 10014914 Rev. AA

Published July 2006

3Com Corporation

350 Campus Drive

Marlborough,

MA 01752-3064

Copyright © 2006, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.

If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE. TXT or! LICENSE. TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

UNITED STATES GOVERNMENT LEGEND

If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial Computer Software” as defined in DFARS 252. 227-7014 (June 1995) or as a “commercial item” as defined in FAR 2. 101(a) and as such is provided with only such rights as are provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252. 227-7015 (Nov 1995) or FAR 52. 227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

3Com and the 3Com logo are registered trademarks of 3Com Corporation.

ntel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd.

IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers, Inc.

All other company and product names may be trademarks of the respective companies with which they are associated.

ENVIRONMENTAL STATEMENT

It is the policy of 3Com Corporation to be environmentally friendly in all operations. To uphold our policy, we are committed to:

Establishing environmental performance standards that comply with national legislation and regulations.

Conserving energy, materials and natural resources in all operations.

Reducing the waste generated by all operations. Ensuring that all waste conforms to recognized environmental standards. Maximizing the recyclable and reusable content of all products.

Ensuring that all products can be recycled, reused and disposed of safely.

Ensuring that all products are labelled according to recognized environmental standards.

Improving our environmental record on a continual basis.

End of Life Statement

3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life electronic components.

Regulated Materials Statement

3Com products do not contain any hazardous or ozone-depleting material.

Environmental Statement about the Documentation

The documentation for this product is printed on paper that comes from sustainable, managed forests; it is fully biodegradable and recyclable, and is completely chlorine-free. The varnish is environmentally friendly, and the inks are vegetable-based with a low heavy-metal content.

DOWNLOAD THE LATEST

SOFTWARE AND DOCUMENTATION

FOR YOUR 3COM SWITCH

Thank you for purchasing a 3Com Switch 4200G Family switch. As part of our commitment to bringing you the most capable and dependable network equipment, 3Com offers free software maintenance updates and documentation updates on our website.

To obtain the most up-to-date operating software and user documentation for the Switch 4200G, point your web browser to: www. com/4200G and select the “Support and Registration” link.

Please note that you must register your 3Com switch to receive the software upgrade. To register, point your web browser to eSupport. com.

CONTENTS

DOWNLOAD THE LATEST SOFTWARE AND DOCUMENTATION

ABOUT THIS GUIDE

Before You Start

9

Release Notes

About Your CD-ROM

Conventions 10

Related Documentation

11

Accessing Online Documentation

11

Documentation Comments

12

1 INTRODUCING THE SWITCH 4200G FAMILY

About the Switch 4200G

14

Summary of Hardware Features

Switch 4200G—Front View Detail

15

10/100/1000BASE-T Ports 16

1000BASE-X SFP Ports

17

Console Port

Unit Status Display

17

LEDs 18

Switch 4200G — Rear View Detail

19

Power Socket

10 Gbps Interface Slots

Default Settings

20

6 CONTENTS

2 INSTALLING THE SWITCH

Package Contents

22

Choosing a Suitable Site

Rack-mounting

23

Placing Units On Top of Each Other

25

The Power-up Sequence

Powering-up the Switch 4200G

Checking for Correct Operation of LEDs

SFP Operation

26

Approved SFP Transceivers

Inserting an SFP Transceiver

Removing an SFP Transceiver

28

Choosing the Correct Cables

28

Choosing the Correct Cables for the Switch 4200G

29

3 SETTING UP FOR MANAGEMENT

Methods of Managing a Switch

32

Command Line Interface Management

32

Command Line Interface Management using SSH

33

Web Interface Management

33

SNMP Management 33

Setting Up Overview

34

IP Configuration

36

Preparing for Management

37

Manually Configuring IP Information

37

Connecting to the Console Port

38

Connecting to a Front Panel Port

41

Viewing Automatically Configured IP Information

44

Using 3Com Network Director

45

Setting Up Command Line Interface Management

46

User Interface Overview

46

CLI Management using the Console Port

CLI Management over the Network

Setting Up Command Line Interface Management using SSH 47

Setting Up Web Interface Management

48

Prerequisites

Web Management Over the Network

49

Setting Up SNMP Management V1 or V2

50

Default Users and Passwords

Configuration Conversion Utility

51

4

PROBLEM SOLVING

Solving Problems Indicated by LEDs

54

Solving Hardware Problems

55

Solving Communication Problems

57

5

UPGRADING SOFTWARE

Upgrade methods

59

Upgrading from the Command Line Interface 60

Check Flash Space Available 60

Backup Switch Software

61

Upgrade Using TFTP

XModem (using the console cable)

65

Upgrading from the Bootrom Interface

66

Introduction

TFTP

68

FTP

XModem

69

Upgrading the Bootrom 70

Bootrom Upgrade using TFTP

71

Bootrom Upgrade using FTP

Bootrom Upgrade using XModem

72

A

SAFETY INFORMATION

Power Cord Set—Japan

76

Important Safety Information

L’information de Sécurité Importante

78

Wichtige Sicherheitsinformationen 81

Información de Seguridad Importante

82

Importanti Informazioni di Sicurezza

84

Ważne informacje o zabezpieczeniach

86

B

PIN-OUTS

Null Modem Cable

89

PC-AT Serial Cable

Modem Cable 90

Ethernet Port RJ-45 Pin Assignments

90

C

TECHNICAL SPECIFICATIONS

Switch 4200G 12-Port

93

Switch 4200G 24-Port

94

Switch 4200G (48-Port)

95

D

OBTAINING SUPPORT FOR YOUR PRODUCT

Register Your Product

97

Purchase Value-Added Services

Troubleshoot Online

98

Access Software Downloads

98

Conventions

Table 1 and Table 2 list conventions that are used throughout this guide.

Table 1

Notice Icons

Icon

Notice Type

Description

Information note Information that describes important features or

instructions

Caution

Information that alerts you to potential loss of data or

potential damage to an application, system, or device

Warning

Information that alerts you to potential personal injury

Table 2

Text Conventions

Convention

Description

Screen displays

This typeface represents information as it appears on the

screen.

Syntax

The word “syntax” means that you must evaluate the syntax

provided and then supply the appropriate values for the

placeholders that appear in angle brackets. Example:

To change your password, use the following syntax:

system password <password>

In this example, you must supply a password for <password>.

Commands

The word “command” means that you must enter the

command exactly as shown and then press Return or Enter.

Commands appear in bold. Example:

To display IP information, enter the following command:

display ip interface br

The words “enter”

When you see the word “enter” in this guide, you must type

and “type”

something, and then press Return or Enter. Do not press

Return or Enter when an instruction simply says “type. ”

Keyboard key names

If you must press two or more keys simultaneously, the key

names are linked with a plus sign (+). Example:

Press Ctrl+Alt+Del

Words in italics

Italics are used to:

Emphasize a point.

Denote a new term at the place where it is defined in the

text.

Related

In addition to this guide, Switch 4200G documentation set includes the

Documentation

following:

Switch 4200G Configuration Guide

This guide contains information on the features supported by your

Switch and how they can be used to optimize your network. It is

supplied in PDF format on the CD-ROM that accompanies the Switch.

Switch 4200G Quick Reference Guide

This guide contains:

a list of the features supported by the Switch.

a summary of the command line interface commands for the

Switch. This guide is also available under the Help button on the

web interface.

Switch 4200G Command Reference Guide

This guide provides detailed information about the web interface and

command line interface that enable you to manage the Switch. It is

Release Notes

These notes provide information about the current software release,

including new features, modifications, and known problems. The

Release Notes are supplied in hard copy with your Switch.

Accessing Online To access the documentation on the CD-ROM supplied with your Switch,

do the following:

Your suggestions are very important to us. They will help make our

Comments

documentation more useful to you. Please e-mail comments about this

document to 3Com at:

pddtechpubs_comments@3com. com

Please include the following information when commenting:

Document title

Document part number (on the title page)

Page number (if appropriate)

Example:

Part Number 10014914AA

Switch 4200G Family Getting Started Guide

Page 21

Please note that we can only respond to comments and questions about

3Com product documentation at this e-mail address. Questions related to

technical support or sales should be directed in the first instance to your

network supplier.

1

INTRODUCING THE

SWITCH 4200G FAMILY

Feature

Switch 4200G

Addresses

Up to 8, 000 supported

Auto-negotiation

Supported on all ports

Forwarding Modes

Store and Forward

Duplex Modes

Half and full duplex on all front panel ports

Auto MDI/MDIX

Supported on all ports. If fiber SFP transceivers are used,

Auto MDIX is not supported.

Flow Control

In full duplex operation all ports are supported

Traffic Prioritization

Supported (using the IEEE Std 802. ID, 1998 Edition):

Eight traffic queues per port

Ethernet, Fast

Auto-negotiating 10/100/1000BASE-T ports

Ethernet, and Gigabit

Ethernet Ports

SFP Ethernet Ports

Supports fiber Gigabit Ethernet long-wave (LX),

long-haul (LH70) and copper (T) transceivers in any

combination.

Mounting

19-inch rack or standalone mounting

Clustering

Up to 16 units can be linked together (15 members and

1 commander)

Detail

Figure 1 Switch 4200G 12-Port—front view

Unit Status

Display

Port Status LEDs

SFP Status Console

Power LED

LEDs

Port

PWR

Mode

MOD 1

Green=Speed

Yellow=Duplex

MOD 2

10/100/1000BASE-T

10/100/1000BASE-T Ports

Gigabit SFP Ports

Mode LED

10Gbps

Switch

Interface Slot

SFP Status

Console

Power LED

LEDs

Port

Speed: (100Base-TX) Green = 100Mbps Yellow = 10Mbps

Duplex: Green = Full Duplex, Yellow = Half Duplex

Power: Green = Delivering Power, Yellow = Fault, Flashing Green = Over Budget

25

26

27/25

28/26

Unit Status

Display

Mode

Console Port

Port Status LEDs

Power

LED

Speed:Green = 100Mbps, Yellow = 10Mbps

Duplex:Green = Full Duplex, Yellow = Half Duplex

Power:Green = Deliverng Power. Yellow=Fault, Flashing Green=Over Budget

51/49

52/50

MOD1

10/100/1000BASE-T Ports

Gigabit SFP

Ports

Mode LED Color

Digit (1–9)

Mode LED flashing green

POST (power-on startup tests) running.

Digit (0–8)

Mode LED flashing red

POST failure. Digit indicates ID of failed test.

0

POST test OK

CPU error

2

Switch chip error

3

RAM error

Flash error

Port error

6

PHY error

7

Packet memory error

8

CPLD error

Description

Rotating bar segment

Software download in progress.

Flashing “F”

Mode LED steady red

Fan failure detected.

Flashing “t”

Switch is too hot; temperature is critical.

“C”

Mode LED green or yellow

Switch is clustered Commander unit.

“c”

Switch is clustered Candidate unit.

“S”

Switch is clustered Slave unit.

“1”

Switch is un-clustered.

Color

Indicates

PWR LED

Green

The Switch is powered-up and operating normally.

Green flashing

Self Test (POST) or Software Download is in progress.

Yellow flashing

One or more ports have failed POST.

Red

The Switch has failed its Power On Self Test.

Off

The Switch is not receiving power or there is a fault with the

Power Supply Unit.

Mode LED

Speed

10/100 Port Speed and Activity, Gigabit SFP Status and

Activity, or Stack Status and Activity.

Duplex Yellow

10/100 Duplex and Activity, Gigabit SFP Duplex and

Activity, or Stack Activity.

10/100/1000BASE-T Port LEDs

A high speed (1000 Mbps) link is present, blinking off for

every packet received or transmitted.

Yellow

A low speed link is present, blinking off for every packet

received or transmitted.

Yellow Flashing

The port has failed POST.

No link is present.

Duplex Green

Full duplex, blinking off for every packet received or

transmitted.

Half duplex, blinking off for every packet received or

1000BASE-X Port SFP Port LEDs

A high speed (1000 Mbps) link is present.

Port failed POST.

Full duplex packets are being transmitted/received on the

port.

Half duplex packets are being transmitted/received on the

AC Power Input

10Gbps Interface

Slot 1

Slot 2

Automatic IP Configuration

Enabled

Port Status

Port Speed

Auto-negotiated

Duplex Mode

Broadcast Storm Control

Virtual LANs (VLANs)

All ports belong to the untagged Default VLAN

(VLAN 1) with IEEE Std 802. 1Q-1998 learning

operational

Management VLAN

Fixed as VLAN 1 on 4200G units. Can be any

VLAN for 4200G units.

Link Aggregation Control

Disabled per port

Protocol (LACP)

IP Multicast Filtering

Filtering enabled

Rapid Spanning Tree Protocol

Fast Start

Enabled on front panel ports

RMON Alarm

All ports prioritize NBX VoIP traffic (LAN and IP).

All ports set to “best effort” for all other traffic.

Port Security

Configuration Save and

Disabled

Restore

Package Contents

Switch unit

CD-ROM (includes documentation related to your Switch)

Getting Started Guide (this guide)

Unit Information Labels

Warranty Information

Power Cord

Console Cable (RJ-45)

2 x Mounting brackets

4 x Screws

4 x Rubber feet

Choosing a Suitable

The Switch is suited for use either free standing on a desktop, or

Site

mounted in a standard 19-inch equipment rack (for example, in a wiring

closet or equipment room). A rack-mounting kit containing two

mounting brackets is supplied with the Switch.

The Switch is situated away from sources of conductive (electrical)

dust, for example laser printers.

The AC supply used by the Switch is separate to that used by units

that generate high levels of AC noise, for example air conditioning

units and laser printers.

Rack-mounting

The Switch 4200G is 1 rack unit (1U) high and will fit in most standard

19-inch racks.

CAUTION: Disconnect all cables from the Switch before continuing.

Remove all self adhesive pads from the underside of the Switch if they

have been fitted.

To rack-mount your Switch:

1 Place the Switch the right way up on a hard flat surface, with the front

facing towards you.

2 Locate a mounting bracket over the mounting holes on one side of the

front of the Switch, as shown in Figure 5.

The Power-up

The following sections describe how to get your Switch 4200G

Sequence

powered-up and ready for operation.

State

The Switch has failed its Power On Self Test (POST).

Some ports have failed POST*

The Switch is not receiving power.

If there is evidence of a problem, see “Solving Problems Indicated by

LEDs” on page 54 for a list of suggested solutions.

CAUTION: The Switch has no ON/OFF switch; the only method of

connecting or disconnecting mains power is by connecting or

disconnecting the power cord.

SFP Operation

The following section describes how to insert an SFP transceiver into an

SFP port.

SFP transceivers are hot-insertable and hot-swappable. You can remove

them from and insert them into any SFP port without having to power

down the Switch.

Removing an SFP

If you wish to remove the transceiver (it is not necessary to power-down

Transceiver

your Switch):

Choosing the

All of the ports on the Switch are Auto-MDIX, that is they have a

Correct Cables

cross-over capability. These ports can automatically detect whether to

operate in MDI or MDIX mode. Therefore you can make a connection to

one of the ports with a straight-through (MDI) or a cross-over cable

(MDIX).

The Auto-MDIX feature only operates when auto-negotiation is enabled.

If auto-negotiation is disabled, all the Switch ports are configured as

MDIX (cross-over). If you want to make a connection to another MDIX

port, you need a cross-over cable. Many ports on workstations and

servers are configured as MDI (straight-through). If you want to make a

connection to an MDI port, you need to use a standard straight-through

cable. See Table 8.

3Com recommends that you use at least Category 5 twisted pair

cable—the maximum segment length for this type of cable is 100 m (328

ft. ).

Cross-over Cable

Straight-through Cable

Choosing the Correct Cables

SETTING UP FOR MANAGEMENT

Workstation

Producent: 3Com
Kategoria: Przełącznik ethernetowy
Styl: Switch 4200G 24-Port
Seria: HP 4200G Switch Series
Numer modelu: 3CR17661-91
Systemy operacyjne: Windows XP, Vista, 7, 8, 10, 11

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Częste pytania dotyczące aktualizacji 3CR17661-91


Jaki jest powód aktualizacji sterowników Switch 4200G 24-Port 3CR17661-91?

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Switch 4200G 24-Port 3CR17661-91 posiada obecnie sterowniki urządzeń dla Windows. org/Question">

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Czy możesz wyjaśnić, co robią sterowniki Przełącznik ethernetowy 3Com?

Sterowniki urządzeń, w tym również te stworzone specjalnie przez 3Com dla Switch 4200G 24-Port 3CR17661-91, umożliwiają bezpośrednią komunikację między urządzeniami Ethernet Switch i systemem operacyjnym.



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