3Com 3C16491 manual Telephone Technical Support and Repair, Contact Us

Page 78

78APPENDIX A: OBTAINING SUPPORT FOR YOUR PRODUCT

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 at http://eSupport.3com.com/, or under the Product Support heading at www.3com.com/

Software Upgrades are the feature releases that follow the software version included with your original product. In order to access upgrades and related documentation you must first purchase a service contract from 3Com or your reseller.

Telephone Technical Support and Repair

To obtain telephone support as part of your warranty and other service benefits, you must first register your product at http://eSupport.3com.com/

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.

When you contact 3Com for assistance, please have the following information ready:

Product model name, part number, and serial number

Proof of purchase, if you have not pre-registered your product

A list of system hardware and software, including revision level

Diagnostic error messages

Details about recent configuration changes, if applicable

To send a product directly to 3Com for repair, you must first obtain a return authorization number (RMA). Products sent to 3Com, without authorization numbers clearly marked on the outside of the package, will be returned to the sender unopened, at the sender’s expense. If your product is registered and under warranty, you can obtain an RMA number online at http://eSupport.3com.com/. First time users will need to apply for a user name and password.

Contact Us

3Com offers telephone, e-mail and Internet access to technical support and repair services. To access these services for your region, use the appropriate telephone number, URL or e-mail address from the list below.

Telephone numbers are correct at the time of publication. Find a current directory of support telephone numbers posted on the 3Com Web site at

http://csoweb4.3com.com/contactus/

Image 78
Contents Baseline Switch PWR Plus 3C164913Com Corporation 350 Campus Drive Marlborough MA USA Contents Snmp Regulatory Notices Glossary Index Page About this Guide ConventionsDocumentation Comments Product RegistrationAutosensing of MDI/MDIX Connections Overview of the Baseline SwitchFeatures and Capabilities Autonegotiating 10/100 Mbps PortsGigabit Combo Ports RJ-45/SFP Physical FeaturesPower-over-Ethernet Capability Front PanelGigabit Combo Ports RJ-45/SFP Link/Activity Status LEDs Power LED Rear PanelPackage Contents Positioning the Switch Before You BeginUsing the Mounting Kit Rack-Mounting or Free-StandingMontagesatz Anweisungen Placing Units On Top of Each OtherSupplying Power to the Switch Checking for Correct OperationUsing SFP Tranceivers Approved SFP TransceiversInserting an SFP Transceiver Removing an SFP Transceiver Inserting an SFP TransceiverPerforming Spot Checks Installing the Switch Requirements for Accessing the Web Interface Running the Discovery ApplicationWelcome screen of Discovery appears Logging On to the Web Interface Discovered Devices ScreenNavigating the Web Interface MenuLists the available items on the menu Menu Item Buttons Port StatusAccessing the Interface Without Using Discovery Dhcp Assigned IP AddressManually Assigned Static IP Address Configuration Overview Device Summary InformationDevice View Polling IntervalAutomatic IP Configuration Administration SettingsModifying the IP Address Settings Color KeyIP Setup To set the IP address for the SwitchBackup Configuration Restore ConfigurationFirmware Upgrade Upgrade ScreenReboot InitializeSystem Access User SummaryCreate User Modify UserSystem Time Remove UserSetup SummarySnmp Add Configuring VLANs Snmp RemoveVlan Modify Vlan Modify PortRename Modify Port ScreenRemove Port DetailVlan Detail Sample Vlan Configurations Forwarding Tagged/Untagged FramesSetting Up Two VLANs on the Same Switch Setting Up Vlan Across Two SwitchesTagged Vlan Configuration Spanning TreeSpanning Tree Screen Igmp Snooping Igmp QueryBroadcast Storm Broadcast Storm Setup Screen PoEConfiguring Port Settings AdministrationPort Administration Summary Screen DetailPort Administration Setup Screen Speed/Duplex for 1000 Mbps ConnectionsLink Aggregation Guidelines for Creating TrunksCreate Link Aggregation Summary ScreenModify Link Aggregation Modify ScreenSpanning Tree per Port Spanning Tree Summary Screen Spanning Tree Setup Screen Port MirroringPort Mirroring Setup Screen StatisticsQoS VoIP Traffic Settings QoS VoIP Summary ScreenPort Setup QoS VoIP Setup ScreenOUI Summary OUI AddSecurity Radius ClientConfigure Radius Client Detail Screen802.1X Settings 802.1X Summary Screen802.1X Detail Screen Monitoring Address TableCable Diagnostics Address Table ScreenDiagnostics Cable Diagnostic ScreenTroubleshooting Resetting to Factory DefaultsForgotten Password Solving LED IssuesForgotten Static IP Address Fiber cable is connected, but the Module Active LED is off Link/Activity LED is on, but network performance is poorIf the Problem Persists All ports appear to show continual activityPurchase Value-Added Services Troubleshoot Online Access Software DownloadsRegister Your Product Telephone Technical Support and Repair Contact UsCountry Telephone Number Latsupportanc@3com.com Physical Related StandardsEnvironmental ElectricalAppendix B Technical Information Safety Information Important Safety InformationAppendix C Safety Information Regulatory Notices Page 1000BASE-T Auto-negotiationBandwidth Category 5e Cables Category 3 CablesCategory 5 Cables Category 6 CablesIeee 802.1D Full DuplexHalf Duplex Ieee 802.1QMAC Address LayerLink Aggregation NetworkSubnet Address SwitchServer Subnet MaskVlan Index NumbersIndex