User ManualTable of Contents3Com® Baseline Switch 2250 Plus User Guide1Contents3About This Guide5Conventions5Related Documentation6Documentation Comments6Introducing the Baseline Switch7Overview of the Baseline Switch 2250 Plus7Features and Capabilities7Autosensing of MDI/MDIX Connections7Autonegotiating 10/100 Mbps Ports7SFP Ports8Traffic Prioritization8Forwarding of BPDU Packets8Physical Features9Front Panel9Rear Panel12Package Contents12Installing the Switch13Before You Begin13Positioning the Switch13Aufstellen des Switch14Rack-Mounting or Free-Standing14Using the Mounting Kit14Montagesatz Anweisungen15Placing Units On Top of Each Other16Supplying Power to the Switch16Checking for Correct Operation16Connecting a Network Device17Using SFP Transceivers18Approved SFP Transceivers18Inserting an SFP Transceiver18Removing an SFP Transceiver19Performing Spot Checks19Connecting to the Web Interface21Requirements for Accessing the Web Interface21Running the Discovery Application21Logging On to the Web Interface23Navigating the Web Interface23Menu23Buttons25Accessing the Interface Without Using Discovery26DHCP Assigned IP Address26Manually Assigned (Static) IP Address26Configuring the Switch27Configuration Overview27Device Summary Information27Administration Settings29Modifying the IP Address Settings29Automatic IP Configuration29IP Setup30Backup Configuration30Restore Configuration30Firmware Upgrade31Initialize31Reboot32System Access32System Time34SNMP34Configuring VLANs35VLAN36Forwarding Tagged/Untagged Frames39Sample VLAN Configurations40Spanning Tree41IGMP Snooping42IGMP Query42Broadcast Storm43Configuring Port Settings43Administration43Speed/Duplex for 1000 Mbps Connections45Link Aggregation45Spanning Tree per Port47Port Mirroring49QoS VoIP Traffic Settings50Security53RADIUS Client53802.1X Settings54Monitoring56Address Table56Cable Diagnostics56Troubleshooting59Resetting to Factory Defaults59Forgotten Password59Forgotten Static IP Address60Solving LED Issues60If the Problem Persists61Obtaining Support for Your Product63Register Your Product63Purchase Value-Added Services63Troubleshoot Online63Access Software Downloads63Telephone Technical Support and Repair64Contact Us64Safety Information67Important Safety Information67Technical Information69Related Standards69Environmental69Physical69Electrical69Glossary71Index77Regulatory Notices79Size: 1.92 MBPages: 79Language: EnglishOpen manual