Username anonymous | 3Com DUA1770-0AAA04 instruction

76APPENDIX D: TECHNICAL SUPPORT

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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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3Com DUA1770-0AAA04 manual Username anonymous

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 files Introducing Introducing the Superstack 3 Switch 4900 Series Hardware Features Switches Switch Front View Detail Switch 4900 front view Switch 4924 front view Ports cross-over Power/Self Test LED Color Indicates Port Status LEDsModule Status LEDs Unit LEDs Switch Rear Switch 4900 rear view Power Socket Switch 4924 rear view Supported 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 fitted Repeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mounting Interconnecting two Switch 4900 units Power-up Powering-upSwitch Sequence Power System output RJ-45 connector is now a grounded port That contain alignment pins can cause damage to your SwitchYour Switch Options Switch 4950 Gbic OperationApproved Gbic Transceivers Fiber SC connector Type 4 Gbic with internal Eeprom fitted Inserting a Gbic Transceiver into a Switch Switch 4950 Gbic Operation Installing the Switch Setting UP for Management Setting Up Overview Manual IP Configuration Automatic IP Configuration Setting UP for Management Manually Configuring IP Information Pre-requisites 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 Connecting a workstation to the Switch via the console port 19,200 baud Data bits 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 Command Line Network Using TelnetInterface Management CLI Management via Interface Setting Up WebChoosing a Browser Over the Network Http//xxx.xxx.xxx.xxx Default Users Setting Up SnmpPasswords User Default Name Password Access Level Security Device User Modify operation on the web interface Problem Solving For Technical Support information, see Appendix D Solving Problems Solutions belowPower LED does not light On powering-up, the Power/Self Test LED lights yellow Problems Solving HardwareFan failure warning message is received For further information about RMON, refer to Status Error message indicating that the Gbic transceiver is faulty Unit fails, no Snmp fan failure message is received Solving Communication Problems IP Addressing How do you obtain a registered IP Address? Safety Information Important Safety Information This must be approved for the country where it is used Important Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX ’information de Sécurité Importante Schko Appendix a Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Wichtige Sicherheitsinformationen Der Netzstecker muß die Norm CEE 7/7 erfüllen Schuko Wichtige 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 Assignments Pin Number 10/100BASE-T 1000BASE-T Appendix B PIN-OUTS Physical Dimensions SafetyPower Consumption Same unless otherwise stated Power Supply Protocols Used for AdministrationHeat Dissipation Standards Supported Services Online Technical Username anonymous Asia, Pacific Rim From this region, emailEurope, Middle East and Africa From this region, enter the URL Asia, Pacific Rim Europe, Middle East and Africa Country Telephone Number Asia, Pacific Rim Country Telephone Number Latin America Index Numbers Passwords Regulatory Notices