Appendix a Troubleshooting | SMC Networks SMC7824M/ESW manual

APPENDIX A

TROUBLESHOOTING

Diagnosing Switch Indicators

This switch can be easily monitored through panel indicators to identify problems. The table below describes common problems you may encounter and possible solutions.

Table A-1 Diagnosing Switch Indicators

	Symptom	Possible Cause	Action

	Power Module	Power outlet,	• If using a DC power
	LED is off	power cord, or	conversion module, check the
	-48 VDCor AC	power module may	connections between the
	-48 VDCor AC	be defective.	switch and the external DC
		be defective.	switch and the external DC
			power supply. If using an AC
			power module, check
			connections between the
			switch, the power cord, and
			the wall outlet.
			• Contact your dealer for
			assistance.

	Power Module	Power module may	• Internal power supply has
	LED is off	be defective.	failed. Contact your local
	+12 VDC		dealer for assistance.
	+12 VDC

	Diag LED is off	Boot-up diagnostic	• Power cycle the switch to try
		program has	and clear the condition.
		detected a problem.	• If the condition does not clear,
			• If the condition does not clear,
			contact your local dealer for
			assistance.

A-1

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SMC Networks SMC7824M/ESW manual Appendix a Troubleshooting, Table A-1 Diagnosing Switch Indicators

Contents

TigerAccess 10/100 Page TigerAccess 10/100 Installation Guide Trademarks Limited Warranty SMC Networks, Inc Tesla Irvine, CA FCC Class a CompliancesIndustry Canada Class a Japan Vcci Class a Viii CE Mark Declaration of Conformance for EMI and Safety EEC Warnhinweis Faseroptikanschlüsse Optische Sicherheit Safety ComplianceAustralia AS/NZS 3548 1995 Class a Power Cord Set Power Cord Safety France et Pérou uniquement Xii PSE Alarm Xiii Xiv Table of Contents Xvi Making Network Connections Specifications TroubleshootingCables German Instructions Xviii Xix Tables Figures Overview Chapter About Tigeraccess Switch Network Management Options Switch Architecture 100BASE-TX Management Port Description of Hardware100BASE-TX and 1000BASE-T Ports Optional SFP Transceivers Console PortSFP Slots Port and System Status LEDs Alarm Interface Port LED Port and System Status LEDs Fan Tray Fan Tray Optional Power Modules Power Modules 1000BASE Combo Module Optional Media Extender Module Connectivity Features and BenefitsExpandability Performance Management About the Tigeraccess Switch Application Examples Introduction to SwitchingChapter Network Planning Collapsed Backbone Collapsed Backbone Network Aggregation Plan Network Aggregation Plan Remote Connections with Fiber Cable Remote Connections with Fiber Cable Making Vlan Connections Making Vlan Connections Application Notes Selecting a Site Installing the Switch RJ-45 Connections Ethernet Cabling Optional Rack-Mounting Equipment Equipment ChecklistPackage Contents Rack Mounting Mounting Installing the Switch in a Rack Attaching the Adhesive Feet Desktop or Shelf Mounting Installing an Optional Module Installing an Optional Module into the Switch Inserting an SFP Transceiver into a Slot Installing an Optional SFP Transceiver Grounding the Chassis Connecting DC Power Connecting to a Power Source Connecting to a Power Source DC Plug Connections AC Power Receptacle Connecting AC Power Serial Cable Wiring Connecting to the Console PortWiring Map for Serial Cable 10 Alarm Port D-15 Pin-Out Connecting to the Alarm Port Alarm Cable Wiring Wiring Map for Alarm Cable 11 External Alarm I/O Connections Installing the Switch Chapter Making Network Connections Connecting Network DevicesTwisted-Pair Devices Cabling Guidelines Making Twisted-Pair Connections Connecting to PCs, Servers, Hubs and Switches Network Wiring Connections Network Wiring Connections Fiber Optic SFP Devices Making Connections to SFP Transceivers 1000BASE-T Cable Requirements Connectivity RulesMbps Gigabit Ethernet Cable Lengths Maximum 1000BASE-T Gigabit Ethernet Cable Length Mbps Ethernet Cable Lengths Mbps Fast Ethernet Cable Lengths Cable Labeling and Connection Records Table A-1 Diagnosing Switch Indicators Appendix a TroubleshootingDiagnosing Switch Indicators Troubleshooting In-Band Access Power and Cooling ProblemsInstallation Troubleshooting Twisted-Pair Cable and Pin Assignments Appendix B Cables Table B-1 10/100BASE-TX MDI and MDI-X Port Pinouts 10BASE-T/100BASE-TX Pin Assignments Figure B-2 Straight-through Wiring Straight-Through Wiring Figure B-3 Crossover Wiring Crossover Wiring Table B-2 1000BASE-T MDI and MDI-X Port Pinouts 1000BASE-T Pin Assignments Adjusting Existing Category 5 Cabling to Run 1000BASE-T Cable Testing for Existing Category 5 Cable Fiber Standards Cables Physical Characteristics Appendix C Specifications Weight Switching DatabaseTemperature Power Supply Management Features Switch Features Compliances StandardsEmissions Immunity Extender Modules Extender Modules Eine Site Auswählen Selecting a Site Appendix D German Instructions Rack-Montage Montage Rack Mounting Instructions Grounding the Chassis Das Erden des Gehäuses Anschluss an Gleichstrom Anschluss an eine Stromquelle Anschluss AN Eine Stromquelle Connecting to a Power Source Figure D-1 Gleichstromanschlüsse Wechselstromanschluss Figure D-2 Wechselstromanschluss Appendix E Ordering Information Table E-1 TigerAccess 10/100 Products and Accessories Ordering Information Glossary-1 Glossary1000BASE-T Auto-Negotiation Glossary-2 Glossary-3 Glossary-4 Virtual LAN Vlan Glossary-5Transmission Control Protocol/Internet Protocol TCP/IP Glossary-6 Index-1 Index Index-2 SFP Index-3 Index-4 Page For Technical SUPPORT, Call