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3Com 2426-PWR, 2226-SFP, 2250-SFP manual Appendix B Technical Information

Models: 2426-PWR 2250-SFP 2226-SFP

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86APPENDIX B: TECHNICAL INFORMATION

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3Com 2426-PWR, 2226-SFP, 2250-SFP manual Appendix B Technical Information

Contents

Baseline Switch 2250-SFP Plus 3CBLSF26 3CBLSF26PWR 3CBLSF50Baseline Switch 2226-SFP Plus Baseline Switch 2426-PWR Plus Installation and User GuideENVIRONMENTAL STATEMENT 3Com Corporation 350 Campus Drive Marlborough MAUNITED STATES GOVERNMENT LEGEND End of Life StatementCONTENTS Statistics Purchase Value-Added ServicesBroadcast Storm T ROUBLESHOOTINGPC-AT Serial Cable Modem Cable Ethernet Port RJ-45 Pin Assignments Getting Started with the Command Line InterfaceCLI Commands Console PortPage Baseline Switch 2250-SFP Plus 3CBLSF50 Baseline Switch 2226-SFP Plus 3CBLSF26Baseline Switch 2426-PWR Plus 3CBLSF26PWR ABOUT THIS GUIDEpddtechpubscomments@3Com.com Documentation CommentsProduct Registration http//esupport.3Com.comFeatures and Capabilities INTRODUCING THE BASELINE SWITCHOverview of the Baseline Switch Autosensing of MDI/MDIX ConnectionsGigabit Combo Ports RJ-45/SFP Physical FeaturesPower-over-Ethernet Capability Front Panel 1 RJ-45 10/100 Ports2 Gigabit Combo Ports RJ-45/SFP 3 Console Port6 Gigabit Combo Port and Duplex Status LEDs 4 10/100BASE-TX Link/Activity Status LEDs5 10/100BASE-TX Duplex Status LEDs 3CBLSF26 and 3CBLSF26PWR Only StatusLink/Activity SFP Mode1000BASE-T Mode SFP/DuplexRear Panel 7 Power LED9 Power Socket 8 Self-adhesive PadsPackage Contents Important Safety Information Positioning the Switch INSTALLING THE SWITCHImportant Safety Information Rack-Mounting or Free-Standing Supplying Power to the SwitchInformation importante de seguridad Positioning the SwitchImportante Avviso di Sicurezza Istotne informacje dot. bezpieczeństwaUsing the Mounting Kit Rack-Mounting or Free-StandingPlacing Units On Top of Each Other Supplying Power to the SwitchMontagesatz Anweisungen Status Reset the Switch. See “Resetting to Factory Defaults” on pageChecking for Correct Operation MeaningInserting an SFP Transceiver Using SFP TranceiversApproved SFP Transceivers Performing Spot Checks Removing an SFP Transceiverrefer to “Troubleshooting” on page If you experience any problems operating the SwitchUsing the Console Command Line Interface CLI CONNECTING TO THE WEB INTERFACERequirements for Accessing the Web Interface Requirements for Accessing the Web InterfaceThe IP address Subnet mask and Logging On to the Web Interface Navigating the Web Interface MenuNavigating the Web Interface Menu ItemDescription Menu Item Configures Radius Client settings and sets30 CHAPTER 3 CONNECTING TO THE WEB INTERFACE DescriptionPort Status Accessing the Switch using the 3Com Switch Detect ApplicationButtons Menu ItemRunning the 3Com Switch Detect Application Figure 12 The 3Com Switch Detect Welcome ScreenAccessing the Switch using the 3Com Switch Detect Application Figure 13 The 3Com Switch Detect Search ScreenFigure 14 The 3Com Switch Detect Discovered Devices 34 CHAPTER 3 CONNECTING TO THE WEB INTERFACE Device Summary Information Administration Settings Configuring VLANs CONFIGURING THE SWITCH FROM THE WEBConfiguration Overview Configuring Port Settings Security MonitoringDevice View Polling IntervalAutomatic IP Configuration Administration SettingsModifying the IP Address Settings Color KeyIP Setup Backup ConfigurationRestore Configuration Firmware UpgradeReboot ResetSystem Access Initialize, keep IP settingCreate User The password can be up to 8 characters long and is case-sensitiveUser Summary This page allows you to modify a user’s access level and password Modify UserRemove User System Time SetupSystem Name SNMPSNMP Remove Configuring VLANsSNMP Add VLAN Available options on the Setup screen include Modify VLANSetup Modify Port RenameRemove Port DetailVLAN Detail Sample VLAN ConfigurationsForwarding Tagged/Untagged Frames Setting Up Two VLANs on the Same Switch Setting Up VLAN Across Two SwitchesSpanning Tree Figure 39 Tagged VLAN ConfigurationSummary Figure 41 Spanning Tree Setup Screen Port SetupSetup Choose Enabled or Disabled from the IGMP Snooping Mode drop down menu IGMP Snooping & QuerySummary Broadcast StormConfiguring VLANs Two tabs are available on the Broadcast Storm page Summary ModifySummary QoS VoIP Traffic SettingsModify Figure 47 QoS VoIP Setup Screen SetupPort Setup Figure 48 QoS Port Setup ScreenPort Detail OUI SummaryOUI Add Telephony OUI - Input a new company identifier to add to the listSummary PoE 3CBLSF26-PWR onlySetup Summary Configuring Port SettingsAdministration Port State - Enables and disables the port DetailSetup Speed/Duplex for 1000 Mbps Connections Figure 56 Port Administration Setup ScreenLink Aggregation Guidelines for Creating TrunksUse the Create tab to add ports to a group membership CreateSummary Figure 59 Link Aggregation Modify Screen ModifyRemove Figure 60 Link Aggregation Remove ScreenRADIUS Client SecurityStatistics 802.1X Settings ConfigureSingle-Host SetupSummary Monitoring Address TableSummary Port MirroringPort Summary Remove SetupTwo tabs are available on the Port Mirroring page Setup Remove Summary Cable DiagnosticsFigure 69 Cable Diagnostic Summary Screen Monitoring DiagnosticsFigure 70 Cable Diagnostic Screen 74 CHAPTER 4 CONFIGURING THE SWITCH FROM THE WEB INTERFACE 5 TROUBLESHOOTING Resetting to Factory DefaultsForgotten Static IP Address Solving LED Issues4 10/100BASE-TX Link/Activity Status LEDs 7 Power LED A link is connected, but the Link/Activity LED for the port is offAll ports appear to show continual activity If the Problem PersistsThe Link/Activity LED is on, but network performance is poor 78 CHAPTER 5 TROUBLESHOOTING A OBTAINING SUPPORT FOR YOUR PRODUCT Purchase Value-Added ServicesAccess Software Downloads Register Your Producthttp//csoweb4.3com.com/contactus Telephone Technical Support and RepairContact Us Contact Us CountryAsia, Pacific Rim Telephone Technical Support and Repair CountryCountry CountryLatin America Telephone Technical Support and Repair http//lat.3com.com/br/support/form.htmlWeight SafetyTemperature Power InletMaximum The Baseline Switch 2426-PWR Plus has been3CBLSF26PWR Related Standards Pover-over-EthernetEnvironmental The Baseline Switch 2250-SFP Plus has been designed3CBLSF50 Related Standards Physical86 APPENDIX B TECHNICAL INFORMATION Console Cable SignalC PIN-OUTS RJ-45Modem Cable Null Modem CablePC-AT Serial Cable always required10/100 Ethernet Port RJ-45 Pin AssignmentsPin Number 100090 APPENDIX C PIN-OUTS D 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface5 Under Properties, select VT100 for Emulation mode Console PortConcurrent CLI Sessions CLI CommandsAutomatic Logout User Guidelines Default ConfigurationSyntax Exampleping IP address URL hostname PingParameters SummaryDefault Configuration ipSetupipSetup SyntaxDefault Configuration Upgradeupgrade SyntaxInitialize rebootInitialize RebootLogout Passwordpassword logoutFCC Statement VCCI Statement Pre-Standard IEEE 802.3at and Cable TemperaturesREGULATORY NOTICES Information to the UserPage 100BASE-TX GLOSSARY10BASE-T 1000BASE-LXCategory 5e Cables Category 3 CablesCategory 5 Cables Category 6 CablesIEEE Full DuplexHalf Duplex IEEE 802.1DLink Aggregation Power over EthernetLayer MAC AddressSubnet Address SwitchServer Subnet MaskVLAN 106 GLOSSARYINDEX Numbers