3Com 4210 18-PORT, 4210 PWR 18-PORT, 4210 9-PORT manual Obtaining Support for Your 3COM Products

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OBTAINING SUPPORT FOR

B YOUR 3COM PRODUCTS

	3Com offers product registration, case management, and repair services through
	eSupport.3com.com. You must have a user name and password to access these
	services, which are described in this appendix.

Register Your Product	To take advantage of warranty and other service benefits, you must first register
to Gain Service	your product at:
Benefits	http://eSupport.3com.com/
	http://eSupport.3com.com/
	3Com eSupport services are based on accounts that are created or that you are
	authorized to access.

Solve Problems Online	3Com offers the following support tool:
	■ 3Com Knowledgebase — Helps you to troubleshoot 3Com products. This
	query-based interactive tool is located at:
	http://knowledgebase.3com.com
	It contains thousands of technical solutions written by 3Com support
	engineers.

Purchase Extended	To enhance response times or extend your warranty benefits, you can purchase
Warranty and	value-added services such as 24x7 telephone technical support, software
Professional Services	upgrades, onsite assistance, or advanced hardware replacement.
	Experienced engineers are available to manage your installation with minimal
	disruption to your network. Expert assessment and implementation services are
	offered to fill resource gaps and ensure the success of your networking projects.
	For more information on 3Com Extended Warranty and Professional Services, see:
	http://www.3com.com/
	Contact your authorized 3Com reseller or 3Com for additional product and
	support information. See the table of access numbers later in this appendix.

Access Software	You are entitled to bug fix / maintenance releases for the version of software that
Downloads	you initially purchased with your 3Com product. To obtain access to this software,
	you need to register your product and then use the Serial Number as your login.
	Restricted Software is available at:
	http://eSupport.3com.com/

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Contents 3Com Switch 4210 Family United States Government Legend 3Com Corporation Campus Drive Marlborough, MA USAContents Regulatory Notices Obtaining Support for Your 3COM ProductsAbout this Guide Related Documentation Overview Wire-speed Layer 2 switchingDescription of their features Product IntroductionSwitch 4210 9-port PWR Front panel Introduction to Switch 4210 Family PWR SwitchesCooling system Power systemRear panel Side panelFront panel of a Switch 4210 18-port PWR Shows the front panel of the Switch 4210 26-port PWR model DC input-Rated voltage range -52 VDC to -56 VDC Switch 4210 26-port PWR units support AC input or DC inputAC input Mbps Uplink Port Status LED Power LEDFront Panel LEDs 10/100BASE-TX Autosensing Ethernet Port Status LEDPanel Status Introduction to the Switch 4210 Family Non-PWR ModelsThis section describes each Switch 4210 Family model Switch 4210 9-port Front panelSwitch 4210 18-port Front panel Switch 4210 cools off naturallySwitch 4210 18-port model’s rear panel Switch 4210 26-port Front panelSwitch 4210 26-port rear panel Switch 4210 52-port Front PanelDescribes the Speed LED on the 10/100Base-TX port Port LEDDescribes the 10/100Base-TX autosensing port’s Link/Act LED Switch Model Port PWR Technical SpecificationsTechnical specifications for the Switch Earthing Lead Technical specifications for the Switch 4210 PWR modelsSupported for SwitchSFP modules supported by the Switch SFP ModulesProduct Introduction Installing the Switch Installing the Switch Mount the front bracket to the device Screw Front Installing the switch in a 19-inch rackInstallation completed 4210 Power-upSequence Ready for operationPWR LED Colors Connecting aRedundant Power Supply 52 for a list of suggested solutionsSystem Redundancy +1 Rectifier Power AvailabilitySwitch 4210 Circuit Breaker and Cable Ratings Rectifiers No RectifierRPS Connection to the Switch Using Power over EthernetTerminal, as shown in Figure ConnectingRJ-45 Signal Direction DB9 console Console CableGND RXD DSR CTS Installing the Switch Managing Your Switch System View Methods of Managing a SwitchUser View Need to Setting Up YourRefer to Setting Up Snmp Management on Configured IP informationSnmp Configuring IP ManuallyAutomatically Configuring the IP Address using Dhcp Information Configured IPViewing AutomaticallyUser View Login Connecting the Workstation to the Switch Manually Configuring IP InformationConnecting to Console Port You can manually configure the switch IP information byOnce you have logged in you are automatically in User View Setting Up the Switch with IP InformationPrerequisites Using the Web Interface Enter the system-viewcommand and Enter Using Command Line Interface using TelnetNetwork Telnet Where xxx.xxx.xxx.xxx is the IP address of the switchManagement Console Port ConnectionLine Interface Setting Up CommandManagement using Setting Up WebString to be removed Setting Up SnmpString is private New community string up to 32 charactersUser Default Name Password Access Level Default UsersPasswords Default UsersProblem Solving Indicated by LEDs Solving ProblemsSolving Hardware ProblemsHow do you obtain a registered IP Address? Solving Communication ProblemsError message indicating that the SFP transceiver is faulty IP AddressingSolving Fabric Formation ProblemsProblem Solving RJ-45 to RS-232 25-pin PIN-OUTSNull Modem Cable PC-AT Serial CablePin assignments Ethernet Port RJ-45 Pin Assignments10/100 and 1000BASE-T RJ-45 connections Obtaining Support for Your 3COM Products Support and Repair Available for purchase from your 3Com resellerContact Us Telephone TechnicalCountry Telephone Number US and Canada Telephone Technical Support and Repair Latin America Telephone Technical Support and RepairDirector 3COM Network Management3Com Network SupervisorAppendix C 3COM Network Management HP OpenView 3Com EnterpriseManagement Suite Integration Kit withAppendix C 3COM Network Management Important Safety Information Safety InformationWichtige Sicherheitsinformationen ’information de Sécurité ImportanteInformación de Seguridad Importante Appendix D Redundant Power Supply Safety Information Importanti Informazioni di Sicurezza Ważne informacje o zabezpieczeniachAppendix D Redundant Power Supply Safety Information Regulatory Notices How to identify and resolve radio-TV interference problemsAppendix D Redundant Power Supply Safety Information