3Com 3C16491 - page 72

72 CHAPTER 4: CONFIGURING THE SWITCH

Diagnostics

Use the Diagnostics tab to display individual

port information on Test Result, Cable Fault

Distance, and Last Update.

Figure 64 Cable Diagnostic Screen

Contents

Main 3Com Corporation 350 Campus Drive Marlborough MA USA 01752-3064 C A BOUT T HIS G 1 2 3 5 A B C Page Page ABOUT THIS GUIDE Conventions Documentation Comments Product Registration 1 Overview of the Baseline Switch Features and Capabilities Autosensing of MDI/MDIX Connections Autonegotiating 10/100 Mbps Ports Physical Features Front Panel (1) RJ-45 10/100 Ports (2) Gigabit Combo Ports (RJ-45/SFP) (3) Link/Activity Status LEDs 10/100/1000BASE-T Ports 10/100BASE-TX Ports (4) Duplex Status LEDs Status Meaning Rear Panel (7) Power Socket (8) Recovery Button Package Contents 2 Before You Begin Positioning the Switch Rack-Mounting or Free-Standing Using the Mounting Kit Montagesatz Anweisungen Placing Units On Top of Each Other Supplying Power to the Switch Checking for Correct Operation Using SFP Tranceivers Approved SFP Transceivers http://www.3com.com Inserting an SFP Transceiver Removing an SFP Transceiver Performing Spot Checks Page 3 Requirements for Accessing the Web Interface Running the Discovery Application Page Logging On to the Web Interface Navigating the Web Interface Tabl e 1 lists the available items on the menu. Page Buttons Port Status Accessing the Interface Without Using Discovery DHCP Assigned IP Address Manually Assigned (Static) IP Address 4 Configuration Overview Device Summary Information Page Administration Settings Modifying the IP Address Settings Automatic IP Configuration IP Setup Backup Configuration Restore Configuration Firmware Upgrade Initialize Reboot System Access Page System Time SNMP Page Configuring VLANs VLAN Page Page Page Forwarding Tagged/Untagged Frames Sample VLAN Configurations Page Spanning Tree Page IGMP Snooping IGMP Query Broadcast Storm PoE Configuring Port Settings Administration Page Speed/Duplex for 1000 Mbps Connections Link Aggregation Page Page Spanning Tree per Port Page Port Mirroring Statistics QoS VoIP Traffic Settings Page Page Security RADIUS Client Page 802.1X Settings Page Monitoring Address Table Cable Diagnostics Page 5 Resetting to Factory Defaults Forgotten Password Forgotten Static IP Address Solving LED Issues Page If the Problem Persists A Register Your Product Purchase Value-Added Services Troubleshoot Online http://knowledgebase.3com.com Telephone Technical Support and Repair http://eSupport.3com.com/ http://csoweb4.3com.com/contactus/ Contact Us Page Page B Related Standards Electrical Environmental Physical Page C Page REGULATORY NOTICES FCC Statement Information to the User CE Statement (Europe) CSA Statement Page G Page Page Page Server SFP Subnet Address Subnet Mask Subnets Page I N P R S T