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3Com 3C16491 manual Contents

Models: 3C16491

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CONTENTS

ABOUT THIS GUIDE

Conventions 7

Documentation Comments 8

Product Registration 8

1INTRODUCING THE BASELINE SWITCH

Overview of the Baseline Switch 9
Features and Capabilities 9
Autosensing of MDI/MDIX Connections			9
Autonegotiating 10/100 Mbps Ports			9
Power-over-Ethernet Capability		10
Gigabit Combo Ports (RJ-45/SFP)		10
Physical Features	10
Front Panel	10
Rear Panel 13
Package Contents	14

2	INSTALLING THE SWITCH
	Before You Begin 15
	Positioning the Switch 15
	Rack-Mounting or Free-Standing	16
	Using the Mounting Kit 16
	Montagesatz Anweisungen	17

Placing Units On Top of Each Other 17

Supplying Power to the Switch		18
Checking for Correct Operation 18
Using SFP Tranceivers	19
Approved SFP Transceivers		19
Inserting an SFP Transceiver		19
Removing an SFP Transceiver		20
Performing Spot Checks	21

3CONNECTING TO THE WEB INTERFACE

Requirements for Accessing the Web Interface				23
Running the Discovery Application			23
Logging On to the Web Interface			25
Navigating the Web Interface		26
Menu	26
Buttons	29
Port Status 29
Accessing the Interface Without Using Discovery				30
DHCP Assigned IP Address		30

Manually Assigned (Static) IP Address 30

4CONFIGURING THE SWITCH

Configuration Overview	31
Device Summary Information 31
Administration Settings	33

Modifying the IP Address Settings 33

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3Com 3C16491 manual Contents

Contents

3C16491 Baseline Switch PWR Plus3Com Corporation 350 Campus Drive Marlborough MA USA Contents Snmp Regulatory Notices Glossary Index Page Conventions About this GuideProduct Registration Documentation CommentsAutonegotiating 10/100 Mbps Ports Overview of the Baseline SwitchFeatures and Capabilities Autosensing of MDI/MDIX ConnectionsFront Panel Physical FeaturesPower-over-Ethernet Capability Gigabit Combo Ports RJ-45/SFPGigabit Combo Ports RJ-45/SFP Link/Activity Status LEDs Rear Panel Power LEDPackage Contents Before You Begin Positioning the SwitchRack-Mounting or Free-Standing Using the Mounting KitPlacing Units On Top of Each Other Montagesatz AnweisungenChecking for Correct Operation Supplying Power to the SwitchUsing SFP Tranceivers Approved SFP TransceiversInserting an SFP Transceiver Inserting an SFP Transceiver Removing an SFP TransceiverPerforming Spot Checks Installing the Switch Running the Discovery Application Requirements for Accessing the Web InterfaceWelcome screen of Discovery appears Discovered Devices Screen Logging On to the Web InterfaceMenu Navigating the Web InterfaceLists the available items on the menu Menu Item Port Status ButtonsAccessing the Interface Without Using Discovery Dhcp Assigned IP AddressManually Assigned Static IP Address Device Summary Information Configuration OverviewPolling Interval Device ViewColor Key Administration SettingsModifying the IP Address Settings Automatic IP ConfigurationTo set the IP address for the Switch IP SetupRestore Configuration Backup ConfigurationUpgrade Screen Firmware UpgradeInitialize RebootUser Summary System AccessModify User Create UserRemove User System TimeSetup SummarySnmp Add Snmp Remove Configuring VLANsVlan Modify Port Modify VlanModify Port Screen RenameRemove Port DetailVlan Detail Forwarding Tagged/Untagged Frames Sample Vlan ConfigurationsSetting Up Vlan Across Two Switches Setting Up Two VLANs on the Same SwitchSpanning Tree Tagged Vlan ConfigurationSpanning Tree Screen Igmp Snooping Igmp QueryBroadcast Storm PoE Broadcast Storm Setup ScreenAdministration Configuring Port SettingsDetail Port Administration Summary ScreenSpeed/Duplex for 1000 Mbps Connections Port Administration Setup ScreenGuidelines for Creating Trunks Link AggregationLink Aggregation Summary Screen CreateLink Aggregation Modify Screen ModifySpanning Tree per Port Spanning Tree Summary Screen Port Mirroring Spanning Tree Setup ScreenStatistics Port Mirroring Setup ScreenQoS VoIP Summary Screen QoS VoIP Traffic SettingsQoS VoIP Setup Screen Port SetupOUI Add OUI SummaryRadius Client SecurityRadius Client Detail Screen Configure802.1X Summary Screen 802.1X Settings802.1X Detail Screen Address Table MonitoringAddress Table Screen Cable DiagnosticsCable Diagnostic Screen DiagnosticsResetting to Factory Defaults TroubleshootingForgotten Password Solving LED IssuesForgotten Static IP Address Link/Activity LED is on, but network performance is poor Fiber cable is connected, but the Module Active LED is offAll ports appear to show continual activity If the Problem PersistsPurchase Value-Added Services Troubleshoot Online Access Software DownloadsRegister Your Product Contact Us Telephone Technical Support and RepairCountry Telephone Number Latsupportanc@3com.com Electrical Related StandardsEnvironmental PhysicalAppendix B Technical Information Important Safety Information Safety InformationAppendix C Safety Information Regulatory Notices Page 1000BASE-T Auto-negotiationBandwidth Category 6 Cables Category 3 CablesCategory 5 Cables Category 5e CablesIeee 802.1Q Full DuplexHalf Duplex Ieee 802.1DNetwork LayerLink Aggregation MAC AddressSubnet Mask SwitchServer Subnet AddressVlan Numbers IndexIndex