Canton 3C16476CS manual Overview of the Baseline Switch 2250 Plus, Features and Capabilities

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1	INTRODUCING THE BASELINE SWITCH

This chapter provides an overview of the features and capabilities of the 3Com® Baseline Switch 2250 Plus. It also identifies the contents of the Switch package and helps you get to know the physical features of the device.

Overview of the Baseline Switch 2250 Plus

The 3Com® Baseline Switch 2250 Plus is a versatile, easy-to-use unmanaged switch. It is ideal for users who want the high-speed performance of 10/100 switching with the added functionality of Gigabit links but do not need sophisticated management capabilities.

The Switch is shipped ready for use. No configuration is necessary, unless you want to configure advanced features such as VLAN support and link aggregation.

Features and Capabilities

The Switch has 48 shielded RJ-45, 10/100 Mbps auto-negotiating ports and two 10/100/1000BASE-T ports that operate in conjunction with two Small Form Factor Pluggable (SFP) transceiver slots on the front panel. Use these SFP transceiver slots for easy, flexible connection to fiber-based Gigabit media.

While there are four physical Gigabit ports, only a maximum of two can be operational at any given time.

Autosensing of MDI/MDIX Connections

All ports on the Switch can autosense both medium dependent interface (MDI) and medium dependent interface crossover (MDIX) connections. This allows you to connect network devices to each port using either a normal straight-through TP (twisted pair) cable or a ‘crossover’ TP cable.

Any port can therefore be used to connect to another switch port, server, or workstation without additional configuration.

Autonegotiating 10/100 Mbps Ports

Each 10/100 Mbps port automatically determines the speed and duplex mode of the connected equipment and provides a suitable switched connection. The 1000BASE-T ports also support automatic 10/100/1000 Mbps speed detection.

The 10/100 Mbps connections on these 1000BASE-T ports can operate in either half-duplex or full-duplex mode. 1000 Mbps connections, on the other hand, only operate in full duplex mode.

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Contents 3C16476CS Baseline Switch 2250 PlusRegulated Materials Statement End of Life StatementEnvironmental Statement about the Documentation Contents Safety Information Icon Description ConventionsConvention Description Documentation Comments Related DocumentationAutonegotiating 10/100 Mbps Ports Overview of the Baseline Switch 2250 PlusFeatures and Capabilities Autosensing of MDI/MDIX ConnectionsPriority Level SFP PortsTraffic Prioritization Forwarding of Bpdu PacketsFront Panel Physical Features48 RJ-45 Ports Link/Activity LEDs 10/100/1000BASE-T/SFP PortsStatusMeaning Status Meaning Module Active LEDsPackage Contents Before You Begin Positioning the SwitchUsing the Mounting Kit Aufstellen des SwitchRack-Mounting or Free-Standing Inserting the Screws Montagesatz AnweisungenColor State Supplying Power to the SwitchPlacing Units On Top of Each Other Checking for Correct OperationConnecting Devices to the Switch Connecting a Network DeviceApproved SFP Transceivers Using SFP TransceiversInserting an SFP Transceiver Removing an SFP Transceiver Performing Spot ChecksVerify That Installing the Switch Running the Discovery Application Requirements for Accessing the Web InterfaceWelcome screen of Discovery appears Navigating the Web Interface Logging On to the Web InterfaceMenu Menu Item Description Lists the available items on the menuNavigating the Web Interface ButtonsDhcp Assigned IP Address Accessing the Interface Without Using DiscoveryManually Assigned Static IP Address Device Summary Information Configuration OverviewDevice View Color Key Polling IntervalModifying the IP Address Settings Administration SettingsAutomatic IP Configuration Backup Configuration IP SetupRestore Configuration Initialize Firmware UpgradeSystem Access RebootUser Summary Modify User Create UserRemove User Snmp Add SetupSystem Time SummarySnmp Remove Configuring VLANsModify Vlan VlanModify Vlan Screen Modify PortRemove RenamePort Detail Forwarding Tagged/Untagged FramesVlan Detail Setting Up Two VLANs on the Same Switch Sample Vlan ConfigurationsSetting Up Vlan Across Two Switches Spanning Tree Tagged Vlan ConfigurationIgmp Query Igmp SnoopingAdministration Configuring Port SettingsBroadcast Storm 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 SummarySecurity ConfigureRadius Client Radius Client Configure Screen 802.1X Settings802.1X Setup Screen Monitoring Cable DiagnosticsAddress Table Cable Diagnostic Screen DiagnosticsConfiguring the Switch Forgotten Password Resetting to Factory DefaultsLink/Activity LED is on, but network perfor- mance is poor Solving LED IssuesForgotten Static IP Address Fiber cable is connected, but the Module Active LED is offAll ports appear to show continual activity If the Problem PersistsTroubleshooting Troubleshoot Online Access Software Downloads Purchase Value-Added ServicesRegister Your Product 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 Electrical Related StandardsEnvironmental PhysicalAppendix C Technical Information Category 3 cable 1000BASE-TAutonegotiation BandwidthEthernet Category 5e cablesCategory 6 cable ClientLayer Ieee 802.1pIeee 802.3ad IP AddressProtocol SwitchNetwork PingTrunking Traffic monitoringGlossary Index Index Regulatory Notices