Canton 3C16476CS manual Register Your Product, Purchase Value-Added Services

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A	OBTAINING SUPPORT FOR YOUR PRODUCT

Register Your Product

Warranty and other service benefits start from the date of purchase, so it is important to register your product quickly to ensure you get full use of the warranty and other service benefits available to you.

Warranty and other service benefits are enabled through product registration. Register your product at http://eSupport.3com.com/. 3Com eSupport services are based on accounts that you create or have authorization to access. First time users must apply for a user name and password that provides access to a number of eSupport features including Product Registration, Repair Services, and Service Request. If you have trouble registering your product, please contact 3Com Global Services for assistance.

Purchase Value-Added Services

To enhance response times or extend warranty benefits, contact 3Com or your authorized 3Com reseller. Value-added services like 3Com ExpressSM and GuardianSM can include 24x7 telephone technical support, software upgrades, onsite assistance or advance 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. More information on 3Com maintenance and Professional Services is available at http://www.3com.com/

Contact your authorized 3Com reseller or 3Com for a complete list of the value-added services available in your area.

Troubleshoot Online

You will find support tools posted on the 3Com web site at http://www.3com.com/

3Com Knowledgebase helps you troubleshoot 3Com products. This query-based interactive tool is located at http://knowledgebase.3com.com and contains thousands of technical solutions written by 3Com support engineers.

Access Software Downloads

Software Updates are the bug fix / maintenance releases for the version of software initially purchased with the product. In order to access these Software Updates you must first register your product on the 3Com web site at http://eSupport.3com.com/.

First time users will need to apply for a user name and password. A link to software downloads can be found

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Contents 3C16476CS Baseline Switch 2250 PlusEnd of Life Statement Regulated Materials StatementEnvironmental Statement about the Documentation Contents Safety Information Conventions Icon DescriptionConvention Description Documentation Comments Related DocumentationAutonegotiating 10/100 Mbps Ports Overview of the Baseline Switch 2250 PlusFeatures and Capabilities Autosensing of MDI/MDIX ConnectionsPriority Level SFP PortsTraffic Prioritization Forwarding of Bpdu PacketsPhysical Features Front Panel48 RJ-45 Ports 10/100/1000BASE-T/SFP Ports Link/Activity LEDsStatusMeaning Status Meaning Module Active LEDsPackage Contents Before You Begin Positioning the SwitchAufstellen des Switch Using the Mounting KitRack-Mounting or Free-Standing Inserting the Screws Montagesatz AnweisungenColor State Supplying Power to the SwitchPlacing Units On Top of Each Other Checking for Correct OperationConnecting Devices to the Switch Connecting a Network DeviceUsing SFP Transceivers Approved SFP TransceiversInserting an SFP Transceiver Performing Spot Checks Removing an SFP TransceiverVerify That Installing the Switch Running the Discovery Application Requirements for Accessing the Web InterfaceWelcome screen of Discovery appears Logging On to the Web Interface Navigating the Web InterfaceMenu Menu Item Description Lists the available items on the menuNavigating the Web Interface ButtonsAccessing the Interface Without Using Discovery Dhcp Assigned IP AddressManually Assigned Static IP Address Configuration Overview Device Summary InformationDevice View Color Key Polling IntervalAdministration Settings Modifying the IP Address SettingsAutomatic IP Configuration IP Setup Backup ConfigurationRestore Configuration Initialize Firmware UpgradeReboot System AccessUser Summary Create User Modify UserRemove User Snmp Add SetupSystem Time SummarySnmp Remove Configuring VLANsModify Vlan VlanModify Vlan Screen Modify PortRemove RenameForwarding Tagged/Untagged Frames Port DetailVlan Detail Sample Vlan Configurations Setting Up Two VLANs on the Same SwitchSetting Up Vlan Across Two Switches Spanning Tree Tagged Vlan ConfigurationIgmp Query Igmp SnoopingConfiguring Port Settings AdministrationBroadcast Storm Detail Port Administration Summary ScreenLink Aggregation Speed/Duplex for 1000 Mbps ConnectionsCreate Guidelines for Creating TrunksModify Spanning Tree per PortSpanning Tree Summary Screen Spanning Tree Detail Screen Port MirroringPort Mirroring Screen QoS VoIP Traffic SettingsQoS VoIP Setup Screen Port SetupOUI Modify OUI SummaryConfigure SecurityRadius Client Radius Client Configure Screen 802.1X Settings802.1X Setup Screen Cable Diagnostics MonitoringAddress Table Cable Diagnostic Screen DiagnosticsConfiguring the Switch Forgotten Password Resetting to Factory DefaultsLink/Activity LED is on, but network perfor- mance is poor Solving LED IssuesForgotten Static IP Address Fiber cable is connected, but the Module Active LED is offAll ports appear to show continual activity If the Problem PersistsTroubleshooting Purchase Value-Added Services Troubleshoot Online Access Software DownloadsRegister Your Product Contact Us Telephone Technical Support and RepairCountry Country Telephone NumberUS and Canada Telephone Technical Support and Repair Important Safety Information Safety InformationAppendix B Safety Information Electrical Related StandardsEnvironmental PhysicalAppendix C Technical Information Category 3 cable 1000BASE-TAutonegotiation BandwidthEthernet Category 5e cablesCategory 6 cable ClientLayer Ieee 802.1pIeee 802.3ad IP AddressProtocol SwitchNetwork PingTrunking Traffic monitoringGlossary Index Index Regulatory Notices