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3Com 2426-PWR, 2226-SFP, 2250-SFP manual Index, Numbers

Models: 2426-PWR 2250-SFP 2226-SFP

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INDEX

Numbers

1000BASE-LX 101 1000BASE-SX 101 1000BASE-T 101 100BASE-TX 101 10BASE-T 101

auto IP configuration 37

bandwidth 101

Baseline Switch 2848-SFP 83, 84

category 3 cables 102 category 5 cables 102 category 5e cables 102 category 6 cables 102 client 102 configuration

overview 35 conventions

text, About This Guide 8

DHCP 102 diagram

front panel 11

dynamic host control protocol 102

Ethernet 102

Fast Ethernet 102 FCC statement 99

Feedback about this User Guide 8 front panel diagram 11

full duplex 103

Gigabit Ethernet 102

Glossary 101

half duplex 103

IEEE 103

IETF 103 IP address

auto configuration 37 modifying 37

IP defined 103 ISP defined 103

LAN defined 103 LED issues 76

link aggregation 63 local area network 103

MAC address 104

media access control 104 monitoring traffic 66, 70

network analyzer 66, 70 network defined 104

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3Com 2426-PWR, 2226-SFP, 2250-SFP manual Index, Numbers

Contents

Installation and User Guide 3CBLSF26 3CBLSF26PWR 3CBLSF50Baseline Switch 2226-SFP Plus Baseline Switch 2426-PWR Plus Baseline Switch 2250-SFP PlusEnd of Life Statement 3Com Corporation 350 Campus Drive Marlborough MAUNITED STATES GOVERNMENT LEGEND ENVIRONMENTAL STATEMENTCONTENTS T ROUBLESHOOTING Purchase Value-Added ServicesBroadcast Storm StatisticsConsole Port Getting Started with the Command Line InterfaceCLI Commands PC-AT Serial Cable Modem Cable Ethernet Port RJ-45 Pin AssignmentsPage ABOUT THIS GUIDE Baseline Switch 2226-SFP Plus 3CBLSF26Baseline Switch 2426-PWR Plus 3CBLSF26PWR Baseline Switch 2250-SFP Plus 3CBLSF50http//esupport.3Com.com Documentation CommentsProduct Registration pddtechpubscomments@3Com.comAutosensing of MDI/MDIX Connections INTRODUCING THE BASELINE SWITCHOverview of the Baseline Switch Features and CapabilitiesGigabit Combo Ports RJ-45/SFP Physical FeaturesPower-over-Ethernet Capability 1 RJ-45 10/100 Ports Front Panel3 Console Port 2 Gigabit Combo Ports RJ-45/SFPStatus 4 10/100BASE-TX Link/Activity Status LEDs5 10/100BASE-TX Duplex Status LEDs 3CBLSF26 and 3CBLSF26PWR Only 6 Gigabit Combo Port and Duplex Status LEDsSFP/Duplex SFP Mode1000BASE-T Mode Link/Activity8 Self-adhesive Pads 7 Power LED9 Power Socket Rear PanelPackage Contents Rack-Mounting or Free-Standing Supplying Power to the Switch INSTALLING THE SWITCHImportant Safety Information Important Safety Information Positioning the SwitchIstotne informacje dot. bezpieczeństwa Positioning the SwitchImportante Avviso di Sicurezza Information importante de seguridadRack-Mounting or Free-Standing Using the Mounting KitPlacing Units On Top of Each Other Supplying Power to the SwitchMontagesatz Anweisungen Meaning Reset the Switch. See “Resetting to Factory Defaults” on pageChecking for Correct Operation StatusInserting an SFP Transceiver Using SFP TranceiversApproved SFP Transceivers Removing an SFP Transceiver Performing Spot ChecksIf you experience any problems operating the Switch refer to “Troubleshooting” on pageRequirements for Accessing the Web Interface CONNECTING TO THE WEB INTERFACERequirements for Accessing the Web Interface Using the Console Command Line Interface CLIThe IP address Subnet mask and Logging On to the Web Interface Menu Navigating the Web InterfaceNavigating the Web Interface Menu ItemDescription Description Configures Radius Client settings and sets30 CHAPTER 3 CONNECTING TO THE WEB INTERFACE Menu ItemMenu Item Accessing the Switch using the 3Com Switch Detect ApplicationButtons Port StatusFigure 12 The 3Com Switch Detect Welcome Screen Running the 3Com Switch Detect ApplicationAccessing 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 Configuring Port Settings Security Monitoring CONFIGURING THE SWITCH FROM THE WEBConfiguration Overview Device Summary Information Administration Settings Configuring VLANsPolling Interval Device ViewColor Key Administration SettingsModifying the IP Address Settings Automatic IP ConfigurationBackup Configuration IP SetupFirmware Upgrade Restore ConfigurationInitialize, keep IP setting ResetSystem Access RebootCreate 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 SNMP SetupSystem Name System TimeSNMP Remove Configuring VLANsSNMP Add VLAN Available options on the Setup screen include Modify VLANSetup Rename Modify PortPort Detail RemoveVLAN Detail Sample VLAN ConfigurationsForwarding Tagged/Untagged Frames Setting Up VLAN Across Two Switches Setting Up Two VLANs on the Same SwitchFigure 39 Tagged VLAN Configuration Spanning TreeSummary Figure 41 Spanning Tree Setup Screen Port SetupSetup IGMP Snooping & Query Choose Enabled or Disabled from the IGMP Snooping Mode drop down menuTwo tabs are available on the Broadcast Storm page Summary Modify Broadcast StormConfiguring VLANs SummarySummary QoS VoIP Traffic SettingsModify Figure 48 QoS Port Setup Screen SetupPort Setup Figure 47 QoS VoIP Setup ScreenTelephony OUI - Input a new company identifier to add to the list OUI SummaryOUI Add Port DetailSummary PoE 3CBLSF26-PWR onlySetup Summary Configuring Port SettingsAdministration Port State - Enables and disables the port DetailSetup Figure 56 Port Administration Setup Screen Speed/Duplex for 1000 Mbps ConnectionsGuidelines for Creating Trunks Link AggregationUse the Create tab to add ports to a group membership CreateSummary Figure 60 Link Aggregation Remove Screen ModifyRemove Figure 59 Link Aggregation Modify ScreenRADIUS Client SecurityStatistics Configure 802.1X SettingsSingle-Host SetupSummary Address Table MonitoringSummary 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 Resetting to Factory Defaults 5 TROUBLESHOOTINGA link is connected, but the Link/Activity LED for the port is off Solving LED Issues4 10/100BASE-TX Link/Activity Status LEDs 7 Power LED Forgotten Static IP AddressAll ports appear to show continual activity If the Problem PersistsThe Link/Activity LED is on, but network performance is poor 78 CHAPTER 5 TROUBLESHOOTING Register Your Product Purchase Value-Added ServicesAccess Software Downloads A OBTAINING SUPPORT FOR YOUR PRODUCThttp//csoweb4.3com.com/contactus Telephone Technical Support and RepairContact Us Country CountryAsia, Pacific Rim Telephone Technical Support and Repair Contact Ushttp//lat.3com.com/br/support/form.html CountryLatin America Telephone Technical Support and Repair CountryPower Inlet SafetyTemperature WeightPover-over-Ethernet The Baseline Switch 2426-PWR Plus has been3CBLSF26PWR Related Standards MaximumPhysical The Baseline Switch 2250-SFP Plus has been designed3CBLSF50 Related Standards Environmental86 APPENDIX B TECHNICAL INFORMATION RJ-45 SignalC PIN-OUTS Console Cablealways required Null Modem CablePC-AT Serial Cable Modem Cable1000 Ethernet Port RJ-45 Pin AssignmentsPin Number 10/10090 APPENDIX C PIN-OUTS Console Port Getting Started with the Command Line Interface5 Under Properties, select VT100 for Emulation mode D 3COM CLI REFERENCE GUIDEConcurrent CLI Sessions CLI CommandsAutomatic Logout Example Default ConfigurationSyntax User GuidelinesSummary PingParameters ping IP address URL hostnameSyntax ipSetupipSetup Default ConfigurationSyntax Upgradeupgrade Default ConfigurationReboot rebootInitialize Initializelogout Passwordpassword LogoutInformation to the User VCCI Statement Pre-Standard IEEE 802.3at and Cable TemperaturesREGULATORY NOTICES FCC StatementPage 1000BASE-LX GLOSSARY10BASE-T 100BASE-TXCategory 6 Cables Category 3 CablesCategory 5 Cables Category 5e CablesIEEE 802.1D Full DuplexHalf Duplex IEEEMAC Address Power over EthernetLayer Link AggregationSubnet Mask SwitchServer Subnet Address106 GLOSSARY VLANNumbers INDEX