Appendix a Troubleshooting | Accton Technology ES4324 specs

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 our 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.

Power and Cooling Problems

If the power indicator does not turn on when the power cord is plugged in, you may have a problem with the power outlet, power cord, or internal power supply. However, if the unit powers off after running for a while, check for loose power connections, power losses or surges at the power outlet, and verify that the fans on the unit are unobstructed and running prior to shutdown. If you still cannot isolate the problem, then the internal power supply may be defective.

A-1

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Accton Technology ES4324 manual Appendix a Troubleshooting, Diagnosing Switch Indicators, Power and Cooling Problems

Contents

Powered by Accton Page Port Gigabit Lite Switch ES4324 E092007-AP-R01 150200057600A Compliances and Safety Warnings CE Mark Declaration of Conformance for EMI and Safety EEC Safety Compliance Or Nema 6-15P 15 A, 250 V configuration France et Pérou uniquement Die Aufschrift HAR oder Basec tragen Environmental Statement Viii Contents Appendix B Cables Appendix a TroubleshootingAppendix C Specifications Making Network Connections Tables Figures Overview Introduction 10/100/1000BASE-T Ports Switch ArchitectureDescription of Hardware Network Management Options LED Port and Power Status LEDs Expandability Features and BenefitsPower Supply Socket Connectivity Management Introduction Network Planning Introduction to Switching Collapsed Backbone Application Examples Central Wiring Closet Central Wiring Closet Remote Connections with Fiber Cable Remote Connections with Fiber Cable Vlan Making Vlan Connections Application Notes Selecting a Site Installing the SwitchEthernet Cabling Package Contents Equipment ChecklistOptional Rack-Mounting Equipment Rack Mounting Mounting Desktop or Shelf Mounting Installing the Switch in a Rack Inserting an SFP Transceiver into a Slot Installing an Optional SFP Transceiver Power Socket Connecting to a Power Source Cabling Guidelines Connecting Network DevicesMaking Network Connections Twisted-Pair Devices Making Twisted-Pair Connections Connecting to PCs, Servers, Hubs and Switches Wiring Closet Connections Network Wiring Connections Fiber Optic SFP Devices Making Connections to SFP Transceivers 1000BASE-T Cable Requirements Connectivity RulesMbps Gigabit Ethernet Collision Domain Mbps Ethernet Collision Domain Mbps Fast Ethernet Collision Domain Cable Labeling and Connection Records Diagnosing Switch Indicators Appendix a TroubleshootingPower and Cooling Problems In-Band Access Installation Twisted-Pair Cable and Pin Assignments Appendix B Cables10BASE-T/100BASE-TX Pin Assignments Cables Straight-Through Wiring 1000BASE-T Pin Assignments Crossover Wiring Adjusting Existing Category 5 Cabling to Run 1000BASE-T Cable Testing for Existing Category 5 CableFiber Standards Physical Characteristics Appendix C Specifications Management Features Switch FeaturesStandards Compliances Specifications Glossary Full Duplex End StationEthernet Fast Ethernet Layer Media Access Control MACIeee 802.3z LAN Segment Transmission Control Protocol/Internet Protocol TCP/IP Redundant Power Supply RPSRJ-45 Connector Switched Ports Numerics Index Index-2 Page ES4324 E092007-AP-R01 150200057600A