Contents | 3Com 3C16491 specs

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 Plus 3Com Corporation 350 Campus Drive Marlborough MA USA Contents Snmp Regulatory Notices Glossary Index Page Conventions About this Guide Product Registration Documentation Comments Autonegotiating 10/100 Mbps Ports Overview of the Baseline SwitchFeatures and Capabilities Autosensing of MDI/MDIX Connections Front Panel Physical FeaturesPower-over-Ethernet Capability Gigabit Combo Ports RJ-45/SFP Gigabit Combo Ports RJ-45/SFP Link/Activity Status LEDs Rear Panel Power LED Package Contents Before You Begin Positioning the Switch Rack-Mounting or Free-Standing Using the Mounting Kit Placing Units On Top of Each Other Montagesatz Anweisungen Checking for Correct Operation Supplying Power to the Switch Using SFP Tranceivers Approved SFP TransceiversInserting an SFP Transceiver Inserting an SFP Transceiver Removing an SFP Transceiver Performing Spot Checks Installing the Switch Running the Discovery Application Requirements for Accessing the Web Interface Welcome screen of Discovery appears Discovered Devices Screen Logging On to the Web Interface Menu Navigating the Web Interface Lists the available items on the menu Menu Item Port Status Buttons Accessing the Interface Without Using Discovery Dhcp Assigned IP AddressManually Assigned Static IP Address Device Summary Information Configuration Overview Polling Interval Device View Color Key Administration SettingsModifying the IP Address Settings Automatic IP Configuration To set the IP address for the Switch IP Setup Restore Configuration Backup Configuration Upgrade Screen Firmware Upgrade Initialize Reboot User Summary System Access Modify User Create User Remove User System Time Setup SummarySnmp Add Snmp Remove Configuring VLANs Vlan Modify Port Modify Vlan Modify Port Screen Rename Remove Port DetailVlan Detail Forwarding Tagged/Untagged Frames Sample Vlan Configurations Setting Up Vlan Across Two Switches Setting Up Two VLANs on the Same Switch Spanning Tree Tagged Vlan Configuration Spanning Tree Screen Igmp Snooping Igmp QueryBroadcast Storm PoE Broadcast Storm Setup Screen Administration Configuring Port Settings Detail Port Administration Summary Screen Speed/Duplex for 1000 Mbps Connections Port Administration Setup Screen Guidelines for Creating Trunks Link Aggregation Link Aggregation Summary Screen Create Link Aggregation Modify Screen Modify Spanning Tree per Port Spanning Tree Summary Screen Port Mirroring Spanning Tree Setup Screen Statistics Port Mirroring Setup Screen QoS VoIP Summary Screen QoS VoIP Traffic Settings QoS VoIP Setup Screen Port Setup OUI Add OUI Summary Radius Client Security Radius Client Detail Screen Configure 802.1X Summary Screen 802.1X Settings 802.1X Detail Screen Address Table Monitoring Address Table Screen Cable Diagnostics Cable Diagnostic Screen Diagnostics Resetting to Factory Defaults Troubleshooting Forgotten 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 off All ports appear to show continual activity If the Problem Persists Purchase Value-Added Services Troubleshoot Online Access Software DownloadsRegister Your Product Contact Us Telephone Technical Support and Repair Country Telephone Number Latsupportanc@3com.com Electrical Related StandardsEnvironmental Physical Appendix B Technical Information Important Safety Information Safety Information Appendix C Safety Information Regulatory Notices Page 1000BASE-T Auto-negotiationBandwidth Category 6 Cables Category 3 CablesCategory 5 Cables Category 5e Cables Ieee 802.1Q Full DuplexHalf Duplex Ieee 802.1D Network LayerLink Aggregation MAC Address Subnet Mask SwitchServer Subnet Address Vlan Numbers Index Index