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Foundry Networks 2402CF manual Appendix a Troubleshooting, Diagnosing Switch Indicators

Models: 2402CF

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APPENDIX A

TROUBLESHOOTING

Diagnosing Switch Indicators

		Troubleshooting Chart

	Symptom	Action

	PWR LED is Off	• Internal power supply is disconnected.
		• Check connections between the switch,
		the power cord, the wall outlet.

	PWR LED is Amber	• Internal power supply has failed.
		• Contact your local dealer for assistance.

	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.

February 2003

© 2003 Foundry Networks, Inc.

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Foundry Networks 2402CF manual Appendix a Troubleshooting, Diagnosing Switch Indicators

Contents

Foundry EdgeIron 2402CF Installation Guide Page EC Conformance Declaration Class a CompliancesFCC Class a ‹RXQGU\1HWZRUNV,QF Australia AS/NZS 3548 1995 Class a Industry Canada Class aJapan Vcci Class a Underwriters Laboratories Compliance Statement Safety ComplianceWarnhinweis Faseroptikanschlüsse Optische Sicherheit Wichtige Sicherheitshinweise Germany ‹RXQGU\1HWZRUNV,QF Contents Chapter Making Network Connections Chapter Installing the SwitchGlossary Index ‹RXQGU\1HWZRUNV,QF About this Guide How to Get HelpAudience NomenclatureRelated Publications Warranty CoverageOverview About the SwitchManagement Options Switch ArchitectureVLANs Description of Hardware Multicast SwitchingRJ-45 Ports Traffic PriorityPort Status LEDs Port Status LEDsSystem Status LEDs Power Supply Receptacle Connectivity Features and BenefitsManagement PerformanceFoundry Networks, Inc February Network Planning Introduction to SwitchingConnectivity Rules Application ExampleMbps Gigabit Ethernet Collision Domain Maximum Fiber Optic Cable Distance for 1000BASE-SXMaximum Cable Distance for 10/100BASE Maximum Cable Distance for 1000BASE-TApplication Notes Selecting a Site Installing the SwitchOptional Rack-Mounting Equipment Equipment ChecklistPackage Contents To rack-mount devices MountingRack Mounting Attaching the Brackets Desktop or Shelf MountingAttaching the Adhesive Feet Connecting to a Power SourcePower Receptacle Chapter Making Network Connections Connecting Network DevicesTwisted-Pair Devices Cabling GuidelinesConnecting to PCs, Servers, Hubs and Switches Making Twisted-Pair Connections Wiring Closet ConnectionsWiring Closet Connections Fiber Optic Devices Making SC Port Connections Diagnosing Switch Indicators Appendix a TroubleshootingIn-Band Access Power and Cooling ProblemsInstallation IN-BANDACCESS Foundry Networks, Inc February Appendix B Cables Specifications10BASE-T/100BASE-TX Pin Assignments Twisted-Pair Cable and Pin AssignmentsPin MDI-X Signal MDI Signal Name Crossover Wiring Straight-Through Wiring1000BASE-T Pin Assignments MDI Signal Name MDI-X Signal Name1000BASE-T Cable Requirements Cable Testing for Existing Category 5 CableAdjusting Existing Category 5 Cabling Console Port to 9-Pin DTE Port on PC Console Port Pin AssignmentsDB-9 Port Pin Assignments Consoleto 25-Pin DTE Port on PC Base Unit Appendix C SpecificationsPhysical Characteristics Weight Switching DatabaseTemperature Power SupplyStandards Management FeaturesCompliances SafetyCE Mark EmissionsAuto-Negotiation 1000BASE-TCollision BandwidthCollision Domain End StationFull Duplex Fast Ethernet SwitchGigabit Ethernet IeeeRJ-45 Connector Media Access Control MACSwitched Ports LAN SegmentUTP Glossary-6 Foundry Networks, Inc February Index Location requirements Management Index Problems A-2 Switch indicators A-1 Index-4 Foundry Networks, Inc February