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LevelOne GSW-2476 user manual Appendix A Troubleshooting, Diagnosing Switch Indicators

Models: GSW-2476

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APPENDIX A

TROUBLESHOOTING

Diagnosing Switch Indicators

	Table A-1 Troubleshooting Chart

Symptom		Action

Power LED is Off		• Check connections between the switch, the power
		cord, and the wall outlet.
		• Contact your dealer for assistance.
		• Contact LevelOne Technical Support.

Link LED is Off		• Verify that the switch and attached device are powered
		on.
		• Be sure the cable is plugged into both the switch and
		corresponding device.
		• If the switch is installed in a rack, check the
		connections to the punch-down block and patch panel.
		• Verify that the proper cable type is used and its length
		does not exceed specified limits.
		• Check the adapter on the attached device and cable
		connections for possible defects. Replace the defective
		adapter or cable if necessary.

A-1

Image 83

LevelOne GSW-2476 user manual Appendix A Troubleshooting, Diagnosing Switch Indicators, Table A-1 Troubleshooting Chart

Contents

User Manual 24-Port Gigabit w/ 4-Port SFP Web Smart SwitchLevelOne GSW-2476Page FCC - Class A COMPLIANCESCOMPLIANCES CE Mark Declaration of Conformance for EMI and Safety EECfiber cable ends when they are powered on Safety CompliancePower Cord Safety Warning Fiber Optic Port SafetyCOMPLIANCES Power Cord SetManufacturing Materials Warnings and Cautionary MessagesEnvironmental Statement End of Product Life SpanRelated Publications viiiPurpose Audience2 Network Planning TABLE OF CONTENTS3 Installing the Switch 1 About GSW-2476Making Network Connections Configuring the SwitchTABLE OF CONTENTS Glossary Index TABLE OF CONTENTS xiii TABLESFIGURES FIGURES FIGURES Power Socket CHAPTEROverview Port Status IndicatorsNetwork Management Options ABOUT GSW-2476Switch Architecture SFP Slots Description of HardwarePort and Power Status LEDs 10/100/1000BASE-T PortsABOUT GSW-2476 4-Port SFP Web Smart SwitchFigure 1-3 Port LEDs and Power LED Connectivity Features and BenefitsPower Supply Socket Figure 1-4 Power Supply SocketManagement ABOUT GSW-2476Expandability PerformanceCHAPTER NETWORK PLANNING Introduction to SwitchingFigure 2-1 Collapsed Backbone Application ExamplesCollapsed Backbone Figure 2-2 Central Wiring Closet Central Wiring ClosetFigure 2-3 Remote Connections with Fiber Cable Remote Connections with Fiber CableFigure 2-4 Making VLAN Connections Making VLAN ConnectionsApplication Notes CHAPTER 3 INSTALLING THE SWITCH Selecting a SiteFigure 3-1 RJ-45 Connections Ethernet CablingOptional Rack-Mounting Equipment Equipment ChecklistMounting Package ContentsTemperature Since the temperature within a rack assembly may be higher than the ambient room temperature, check that the rack-environment temperature is within the specified operating temperature range see page C-2 Figure 3-2 Attaching the Brackets Figure 3-3 Installing the Switch in a RackFigure 3-4 Attaching the Adhesive Feet Desktop or Shelf MountingFigure 3-5 Inserting an SFP Transceiver into a Slot Installing an SFP TransceiverFigure 3-6 Power Socket Connecting to a Power SourceTwisted-Pair Devices Connecting Network DevicesCHAPTER MAKING NETWORK CONNECTIONS Figure 4-1 Making Twisted-Pair Connections Connecting to PCs, Servers, Hubs and SwitchesFigure 4-2 Wiring Closet Connections Network Wiring ConnectionsFiber Optic SFP Devices FIBER OPTIC SFP DEVICES Figure 4-3 Making Connections to SFP TransceiversTable 4-1 Maximum 1000BASE-T Gigabit Ethernet Cable Length Connectivity Rules1000BASE-T Cable Requirements 1000 Mbps Gigabit Ethernet Collision DomainTable 4-4 Maximum 1000BASE-ZX Fiber Optic Cable Length 100 Mbps Fast Ethernet Collision Domain10 Mbps Ethernet Collision Domain Table 4-3 Maximum 1000BASE-LX Fiber Optic Cable LengthCable Labeling and Connection Records CHAPTER 5 CONFIGURING THE SWITCH Using the Web InterfaceFigure 5-1 Home Page Navigating the Web Browser InterfaceHome Page Panel Display Configuration OptionsTable 5-1 Web Page Configuration Buttons Figure 5-2 Front Panel IndicatorsMain Menu Table 5-2 Switch Main MenuSets the priority of packets forwarded through Table 5-2 Switch Main Menu ContinuedAddress Information Web ConfigurationField Attributes System InformationVLAN Inoformation WEB CONFIGURATIONTrunk Information Web - Click STATUS, Overview Figure 5-3 Switch InformationCONFIGURING THE SWITCH Description Showing Port StatisticsTable 5-3 Port Statistics ParameterRMON Statistics 5-10Table 5-3 Port Statistics Continued Table 5-3 Port Statistics Continued 5-11WEB CONFIGURATION received and transmitted that were 64 octets in length 5-12received and transmitted where the number of octets Table 5-3 Port Statistics ContinuedField Attributes 5-13WEB CONFIGURATION Displaying System NameFigure 5-5 System Name 5-14Setting the Switch’s IP Address Field AttributesFigure 5-6 LAN Settings 5-15Configuring the Logon Password Manual ConfigurationTools 5-16Figure 5-7 Password Settings Reset to Factory DefaultsFigure 5-9 Upgrade Firmware 5-17Figure 5-8 Reset to Factory Defaults Upgrade Firmware Figure 5-11 Set boot Image 5-18Upload/Download Configuration Figure 5-10 Restart Switch Set boot ImageStatic MAC Address Configuration 5-19Restart Switch Figure 5-12 Restart SwitchFigure 5-13 Static MAC Address Configuration 5-20Counter Config Field Attributes 5-21Port Configuration Figure 5-14 Counter ConfigurationCONFIGURING THE SWITCH 5-22Web - Click PORTS, Settings Figure 5-15 Port ConfigurationField Attributes 5-23Storm Control Field Attributes 5-24Port Mirroring Figure 5-16 Port Broadcast ControlField Attributes 5-25Cable Diagnostic Figure 5-17 Port MirroringField Attributes 5-26Figure 5-18 Cable Diagnostics Trunks MembershipField Attributes 5-27Trunk Configuration Figure 5-19 Trunk MembershipIntroduction to VLANs 5-28VLAN Settings Figure 5-20 Trunk ConfigurationField Attributes 5-29The switch management interface is on VLAN 1 this cannot be changed For QinQ operation, a customer port should be set to VLAN unaware and a provider port trunk port should be set to VLAN aware 5-30Figure 5-21 VLAN Settings VLAN Memembership 5-31CONFIGURING THE SWITCH 5-32Figure 5-22 802.1Q VLAN Configuration Figure 5-23 802.1Q VLAN Group 802.1p 5-33QOS Settings QoS DisabledSecurity 5-34Figure 5-24 QoS Settings Figure 5-25 Management Access Filter Configuration 5-35IGMP Snooping VLAN Configuration 5-36Settings Field Attributes IGMP Snooping ConfigurationField Attributes 5-37Web - Click IGMP Snoop, Settings Figure 5-26 IGMP Snooping Configuration IGMP StatusFigure 5-27 IGMP Snoop Status 5-38CONFIGURING THE SWITCH Web - Click IGMP Snoop, StatusTable A-1 Troubleshooting Chart APPENDIX A TROUBLESHOOTINGDiagnosing Switch Indicators In-Band Access Power and Cooling ProblemsInstallation Reset the Switch TROUBLESHOOTING Figure B-1 RJ-45 Connector Pin Numbers APPENDIX B CABLESTwisted-Pair Cable and Pin Assignments Table B-1 10/100BASE-TX MDI and MDI-X Port Pinouts 10BASE-T/100BASE-TX Pin AssignmentsFigure B-2 Straight-through Wiring Straight-Through WiringFigure B-3 Crossover Wiring Crossover WiringTable B-2 1000BASE-T MDI and MDI-X Port Pinouts Cable Testing for Existing Category 5 Cable1000BASE-T Pin Assignments Adjusting Existing Category 5 Cabling to Run 1000BASE-T Fiber StandardsWeight APPENDIX C SPECIFICATIONSPhysical Characteristics Switching DatabasePower Supply Switch FeaturesManagement Features TemperatureCE Mark Emissions StandardsCompliances Software LoadingSPECIFICATIONS 100BASE-TX GLOSSARYGlossary-1 10BASE-TCollision Domain Glossary-2Bandwidth CollisionIEEE Glossary-3Full Duplex Gigabit EthernetLink Segment Glossary-4Media Access Control MAC LayerSwitched Ports Glossary-5Redundant Power Supply RPS RJ-45 ConnectorGLOSSARY Glossary-6Index-1 INDEXNumerics Index-2 INDEX Index-3INDEX Index-4Page GSW-2476 E082006-JC-R01 149100011100H