3Com DUA1770-0AAA04 manual Username anonymous

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76APPENDIX D: TECHNICAL SUPPORT

3Com FTP Site Download drivers, patches, software, and MIBs across the Internet from the 3Com public FTP site. This service is available 24 hours a day, 7 days a week.

To connect to the 3Com FTP site, enter the following information into your FTP client:

■Hostname: ftp.3com.com

■Username: anonymous

■Password: <your Internet e-mail address>

You do not need a user name and password with Web browser software such as Netscape Navigator and Internet Explorer.

Support from Your If you require additional assistance, contact your network supplier. Many

Network Supplier suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services.

When you contact your network supplier for assistance, have the following information ready:

■Product model name, part number, and serial number

■A list of system hardware and software, including revision levels

■Diagnostic error messages

■Details about recent configuration changes, if applicable

If you are unable to contact your network supplier, see the following section on how to contact 3Com.

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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 Please include the following information when commenting SuperStack 3 Switch 4900 Series Getting Started Guide3Com recommends that you copy the Docs/referenceguide Directory as a whole to maintain the structure of the filesIntroducing Introducing the Superstack 3 Switch 4900 Series Hardware Features Switches Switch Front View Detail Switch 4900 front viewSwitch 4924 front view Ports cross-over Power/Self Test LED Color Indicates Port Status LEDsModule Status LEDs Unit LEDsSwitch Rear Switch 4900 rear viewPower Socket Switch 4924 rear viewSupported by your Switch Default SettingsSwitch units, it is returned to these defaults Installing the Switch Choosing a Suitable Package ContentsSite Flow through the side panels of the Switch Rack-mountingDesk, or attach it to a wall Have been fittedRepeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mountingInterconnecting two Switch 4900 units Power-up Powering-upSwitch SequencePower System output RJ-45 connector is now a grounded port That contain alignment pins can cause damage to your SwitchYour Switch OptionsSwitch 4950 Gbic OperationApproved Gbic TransceiversFiber SC connector Type 4 Gbic with internal Eeprom fitted Inserting a Gbic Transceiver into a SwitchSwitch 4950 Gbic Operation Installing the Switch Setting UP for Management Setting Up OverviewManual IP Configuration Automatic IP ConfigurationSetting UP for Management Manually Configuring IP Information Pre-requisitesConfiguring 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 Connecting a workstation to the Switch via the console port 19,200 baud Data bitsSetting 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 Command Line Network Using TelnetInterface Management CLI Management viaInterface Setting Up WebChoosing a Browser Over the Network Http//xxx.xxx.xxx.xxxDefault Users Setting Up SnmpPasswords User Default Name Password Access Level Security Device User Modify operation on the web interfaceProblem Solving For Technical Support information, see Appendix DSolving Problems Solutions belowPower LED does not light On powering-up, the Power/Self Test LED lights yellowProblems Solving HardwareFan failure warning message is received For further information about RMON, refer to StatusError message indicating that the Gbic transceiver is faulty Unit fails, no Snmp fan failure message is receivedSolving Communication Problems IP AddressingHow do you obtain a registered IP Address? Safety Information Important Safety Information This must be approved for the country where it is usedImportant Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX ’information de Sécurité Importante SchkoAppendix a Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Wichtige Sicherheitsinformationen Der Netzstecker muß die Norm CEE 7/7 erfüllen SchukoWichtige Sicherheitsinformationen Appendix a Safety Information Null Modem Cable 9-pin to RS-232 25-pin PC-AT Serial CablePin to 9-pin Connectors Modem CableRJ-45 Pin AssignmentsPin Number 10/100BASE-T 1000BASE-T Appendix B PIN-OUTS Physical Dimensions SafetyPower Consumption Same unless otherwise statedPower Supply Protocols Used for AdministrationHeat Dissipation Standards SupportedServices Online TechnicalUsername anonymous Asia, Pacific Rim From this region, emailEurope, Middle East and Africa From this region, enter the URLAsia, Pacific Rim Europe, Middle East and AfricaCountry Telephone Number Asia, Pacific Rim Country Telephone Number Latin America Index NumbersPasswords Regulatory Notices