About this Guide | 3Com DUA1770-0AAA04 specification

ABOUT THIS GUIDE

This guide provides all the information you need to install and use the following Switches in their default state:

■SuperStack® 3 Switch 4900 (3C17700)

■SuperStack® 3 Switch 4900 SX (3C17702)

■SuperStack® 3 Switch 4924 (3C17701)

■SuperStack® 3 Switch 4950 (3C17706)

This guide is intended for use with all the 4900 Series Switches listed above. For illustrative purposes all pictures and example screens show the 4900 model, however, all procedures apply to all the other Switches listed unless otherwise stated.

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).

If the information in the release notes that are shipped with your product differ from the information in this guide, follow the instructions in the release notes.

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/

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3Com DUA1770-0AAA04 manual About this Guide

Contents

SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Setting UP for Management PIN-OUTS Page About this Guide Icon Description ConventionsConvention Description Documentation RelatedDocumentation documentation Directory as a whole to maintain the structure of the files Please include the following information when commentingSuperStack 3 Switch 4900 Series Getting Started Guide 3Com recommends that you copy the Docs/referenceguide Introducing Introducing the Superstack 3 Switch 4900 Series Hardware Features Switches Switch 4900 front view Switch Front View Detail Switch 4924 front view Ports cross-over Unit LEDs Power/Self Test LEDColor Indicates Port Status LEDs Module Status LEDs Switch 4900 rear view Switch Rear Switch 4924 rear view Power Socket Supported by your Switch Default SettingsSwitch units, it is returned to these defaults Installing the Switch Choosing a Suitable Package ContentsSite Have been fitted Flow through the side panels of the SwitchRack-mounting Desk, or attach it to a wall Fitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the Switch Interconnecting two Switch 4900 units Sequence Power-upPowering-up Switch Power System output Options RJ-45 connector is now a grounded portThat contain alignment pins can cause damage to your Switch Your Switch Transceivers Switch 4950 GbicOperation Approved Gbic Inserting a Gbic Transceiver into a Switch Fiber SC connector Type 4 Gbic with internal Eeprom fitted Switch 4950 Gbic Operation Installing the Switch Setting UP for Management Overview Setting Up Automatic IP Configuration Manual IP Configuration Setting UP for Management Pre-requisites Manually Configuring IP Information Configuring the Workstation with IP Information Connecting the Workstation to the SwitchSetting Up the Switch with IP Information Using Command Line Interface via Telnet Example top-level command line interface menu 19,200 baud Data bits Connecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Viewing Configured IPAutomatically Pre-requisites Viewing IP Information via the Console Port Example top-level command line interface menu Refer to Setting Up Command Line Interface Management on CLI Management via Command LineNetwork Using Telnet Interface Management Interface Setting Up WebChoosing a Browser Http//xxx.xxx.xxx.xxx Over the Network Default Users Setting Up SnmpPasswords Security Device User Modify operation on the web interface User Default Name Password Access Level For Technical Support information, see Appendix D Problem Solving On powering-up, the Power/Self Test LED lights yellow Solving ProblemsSolutions below Power LED does not light For further information about RMON, refer to Status ProblemsSolving Hardware Fan failure warning message is received Unit fails, no Snmp fan failure message is received Error message indicating that the Gbic transceiver is faulty IP Addressing Solving Communication Problems How do you obtain a registered IP Address? Safety Information This must be approved for the country where it is used Important Safety Information Important Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Schko ’information de Sécurité Importante Appendix a Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Der Netzstecker muß die Norm CEE 7/7 erfüllen Schuko Wichtige Sicherheitsinformationen Wichtige Sicherheitsinformationen Appendix a Safety Information Null Modem Cable 9-pin to RS-232 25-pin PC-AT Serial CablePin to 9-pin Assignments ConnectorsModem Cable RJ-45 Pin Pin Number 10/100BASE-T 1000BASE-T Appendix B PIN-OUTS Same unless otherwise stated Physical DimensionsSafety Power Consumption Standards Supported Power SupplyProtocols Used for Administration Heat Dissipation Online Technical Services Username anonymous From this region, enter the URL Asia, Pacific RimFrom this region, email Europe, Middle East and Africa Europe, Middle East and Africa Asia, Pacific Rim Country Telephone Number Asia, Pacific Rim Country Telephone Number Latin America Numbers Index Passwords Regulatory Notices