Canton Official Technical Support and Repair Information for 3C16476CS

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Country	Telephone Number

Asia, Pacific Rim Telephone Technical Support and
Repair
Australia	1 800 678 515
Hong Kong	800 933 486
India	+61 2 9424 5179 or
Indonesia	000800 6501111
Indonesia	001 803 61 009
Japan	00531 616 439 or
Malaysia	03 3507 5984
Malaysia	1800 801 777
New Zealand	0800 446 398
Pakistan	+61 2 9937 5083
Philippines	1235 61 266 2602 or
P.R. of China	1800 1 888 9469
P.R. of China	800 810 3033
Singapore	800 6161 463
S. Korea	080 333 3308
Taiwan	00801 611 261
Thailand	001 800 611 2000

You can also obtain support in this region using the following e-mail: apr_technical_support@3com.com

Or request a repair authorization number (RMA) by fax using this number: +65 543 6348

Europe, Middle East, and Africa Telephone Technical Support and Repair

From anywhere in these	+44 (0)1442 435529
regions, call:

From the following countries, you may use the numbers shown:

Contact Us

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Country	Telephone Number

Austria	01 7956 7124
Belgium	070 700 770
Denmark	7010 7289
Finland	01080 2783
France	0825 809 622
Germany	01805 404 747
Hungary	06800 12813
Ireland	1407 3387
Israel	1800 945 3794
Italy	199 161346
Luxembourg	342 0808128
Netherlands	0900 777 7737
Norway	815 33 047
Poland	00800 441 1357
Portugal	707 200 123
South Africa	0800 995 014
Spain	9 021 60455
Sweden	07711 14453
Switzerland	08488 50112
U.K.	0870 909 3266

You can also obtain support in this region using the following URL: http://emea.3com.com/support/email.html

Country

Telephone Number

Latin America Telephone Technical Support and Repair

From the Caribbean, Central and South America, call:

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Contents 3C16476CS Baseline Switch 2250 PlusEnvironmental Statement about the Documentation End of Life StatementRegulated Materials Statement Contents Safety Information Convention Description ConventionsIcon Description Documentation Comments Related DocumentationFeatures and Capabilities Overview of the Baseline Switch 2250 PlusAutosensing of MDI/MDIX Connections Autonegotiating 10/100 Mbps PortsTraffic Prioritization SFP PortsForwarding of Bpdu Packets Priority Level48 RJ-45 Ports Physical FeaturesFront Panel StatusMeaning 10/100/1000BASE-T/SFP PortsLink/Activity LEDs Status Meaning Module Active LEDsPackage Contents Before You Begin Positioning the SwitchRack-Mounting or Free-Standing Aufstellen des SwitchUsing the Mounting Kit Inserting the Screws Montagesatz AnweisungenPlacing Units On Top of Each Other Supplying Power to the SwitchChecking for Correct Operation Color StateConnecting Devices to the Switch Connecting a Network DeviceInserting an SFP Transceiver Using SFP TransceiversApproved SFP Transceivers Verify That Performing Spot ChecksRemoving an SFP Transceiver Installing the Switch Running the Discovery Application Requirements for Accessing the Web InterfaceWelcome screen of Discovery appears Menu Logging On to the Web InterfaceNavigating the Web Interface Menu Item Description Lists the available items on the menuNavigating the Web Interface ButtonsManually Assigned Static IP Address Accessing the Interface Without Using DiscoveryDhcp Assigned IP Address Device View Configuration OverviewDevice Summary Information Color Key Polling IntervalAutomatic IP Configuration Administration SettingsModifying the IP Address Settings Restore Configuration IP SetupBackup Configuration Initialize Firmware UpgradeUser Summary RebootSystem Access Remove User Create UserModify User System Time SetupSummary Snmp AddSnmp Remove Configuring VLANsModify Vlan VlanModify Vlan Screen Modify PortRemove RenameVlan Detail Forwarding Tagged/Untagged FramesPort Detail Setting Up Vlan Across Two Switches Sample Vlan ConfigurationsSetting Up Two VLANs on the Same Switch Spanning Tree Tagged Vlan ConfigurationIgmp Query Igmp SnoopingBroadcast Storm Configuring Port SettingsAdministration 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 SummaryRadius Client ConfigureSecurity Radius Client Configure Screen 802.1X Settings802.1X Setup Screen Address Table Cable DiagnosticsMonitoring Cable Diagnostic Screen DiagnosticsConfiguring the Switch Forgotten Password Resetting to Factory DefaultsForgotten Static IP Address Solving LED IssuesFiber cable is connected, but the Module Active LED is off Link/Activity LED is on, but network perfor- mance is poorAll ports appear to show continual activity If the Problem PersistsTroubleshooting Register Your Product Purchase Value-Added ServicesTroubleshoot Online Access Software Downloads 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 Environmental Related StandardsPhysical ElectricalAppendix C Technical Information Autonegotiation 1000BASE-TBandwidth Category 3 cableCategory 6 cable Category 5e cablesClient EthernetIeee 802.3ad Ieee 802.1pIP Address LayerNetwork SwitchPing ProtocolTrunking Traffic monitoringGlossary Index Index Regulatory Notices