3Com 2226 PLUS manual Diagnostics, Cable Diagnostic Summary Screen

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Summary

Use the Summary tab to display information on Test Result, Cable Fault Distance, or Last Update for every port on the switch.

Figure 61 Cable Diagnostic Summary Screen

Diagnostics

Use the Diagnostics tab to display individual port information on Test Result, Cable Fault Distance, and Last Update.

Monitoring 71

Figure 62 Cable Diagnostic Screen

Image 71

Contents 3C16475CS Baseline Switch Plus3Com Corporation 350 Campus Drive Marlborough MA USA Contents Snmp Glossary Regulatory Notices Index Page Conventions About this GuideProduct Registration Documentation CommentsAutonegotiating 10/100 Mbps Ports Overview of the Baseline SwitchFeatures and Capabilities Autosensing of MDI/MDIX ConnectionsFront Panel Physical FeaturesGigabit Combo Ports RJ-45/SFP 10/100BASE-TX Ports Rear Panel Power LEDPackage Contents Before You Begin Positioning the SwitchRack-Mounting or Free-Standing Using the Mounting KitPlacing Units On Top of Each Other Montagesatz AnweisungenChecking for Correct Operation Supplying Power to the SwitchInserting an SFP Transceiver Using SFP TranceiversApproved SFP Transceivers Inserting an SFP Transceiver Removing an SFP TransceiverPerforming Spot Checks Installing the Switch Running the Discovery Application Requirements for Accessing the Web InterfaceWelcome screen of Discovery appears Discovered Devices Screen Logging On to the Web InterfaceMenu Navigating the Web InterfaceLists the available items on the menu Menu Item Description Port Status ButtonsManually Assigned Static IP Address Accessing the Interface Without Using DiscoveryDhcp Assigned IP Address Device Summary Information Configuration OverviewPolling Interval Device ViewColor Key Administration SettingsModifying the IP Address Settings Automatic IP ConfigurationTo set the IP address for the Switch IP SetupRestore Configuration Backup ConfigurationUpgrade Screen Firmware UpgradeInitialize RebootUser Summary System AccessModify User Create UserRemove User System TimeSnmp Add SetupSummary Snmp Remove Configuring VLANsVlan Modify Port Modify VlanModify Port Screen RenameVlan Detail RemovePort Detail Forwarding Tagged/Untagged Frames Sample Vlan ConfigurationsSetting Up Vlan Across Two Switches Setting Up Two VLANs on the Same SwitchSpanning Tree Tagged Vlan ConfigurationSpanning Tree Screen Broadcast Storm Igmp SnoopingIgmp Query Broadcast Storm Setup Screen Administration Configuring Port SettingsDetail Port Administration Detail ScreenSpeed/Duplex for 1000 Mbps Connections Port Administration Setup ScreenGuidelines for Creating Trunks Link AggregationModify CreateLink Aggregation Remove Screen Spanning Tree per PortSpanning Tree Summary Screen Spanning Tree Detail Screen Port Mirroring Port Mirroring Setup ScreenStatistics QoS VoIP Traffic SettingsQoS VoIP Summary Screen Port SetupOUI Summary QoS Port Setup ScreenOUI Modify SecurityRadius Client Radius Client Detail Screen ConfigureRadius Client Configure Screen 802.1X Settings 802.1X Summary Screen Security Address Table Cable DiagnosticsMonitoring Cable Diagnostic Summary Screen DiagnosticsConfiguring the Switch Resetting to Factory Defaults TroubleshootingForgotten Static IP Address Forgotten PasswordSolving LED Issues Link/Activity LED is on, but network performance is poor Fiber cable is connected, but the Module Active LED is offAll ports appear to show continual activity If the Problem PersistsRegister Your Product Purchase Value-Added ServicesTroubleshoot Online Access Software Downloads Contact Us Telephone Technical Support and RepairCountry Telephone Number Latsupportanc@3com.com Electrical Related StandardsEnvironmental PhysicalAppendix B Technical Information Important Safety Information Safety InformationAppendix C Safety Information Bandwidth 1000BASE-TAuto-negotiation Category 6 Cables Category 3 CablesCategory 5 Cables Category 5e CablesIeee 802.1Q Full DuplexHalf Duplex Ieee 802.1DNetwork LayerLink Aggregation MAC AddressSubnet Mask SwitchServer Subnet AddressVlan Regulatory Notices Page Numbers IndexIndex