Nortel Networks 1000BASE-XD LED Indications of Problems, Symptom Probable Cause Corrective Action

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Troubleshooting

Table 4-1. LED Indications of Problems

Symptom

Probable Cause

Corrective Action

Green power supply	The switch is not receiving
LEDs are off.	AC power.

Verify that each AC power cord is fastened securely at both ends and that power is available at each AC power outlet. Verify that each power supply is turned on.

The Link/Activity LED for a connected port is off or does not blink (and you have reason to believe that traffic is present).

The switch is experiencing	See “Port Connection Problems” next.
a port connection problem.
The switch’s link partner is
not autonegotiating properly.

The Link/Activity LED	There may be a port
blinks continuously.	configuration error.
The Online LED on an	Software incompatibility
I/O module is yellow.	exists, or the module cannot
	communicate with the master
	module over the backplane.
The Master LED on a	This module has detected
module in slot 1 or slot 2	system clock generation
is yellow.	failure on its own circuitry.

Use the show log command to check the system log for indications of communication problems. Use the boot command to download a new software image.

Replace the module; make sure it is in the correct slot.

Note: This LED refers only to the module in slot 1 or slot 2 that provides the clock function for the switch.

The Fault LED is	A chassis failure has been
blinking yellow.	detected.

From the console management station, use the show log command to check the system log for information about hardware failures

Check the fans in the Passport 8100 module chassis to make sure both are running.

Check the switch power supplies; one may have stopped functioning.

The module may have failed to read the MAC address from the chassis backplane. If this is the case, arrange to replace the chassis.

The Fault LED is	A diagnostics failure or
steadily yellow.	hardware failure has been
	detected.
No LEDs are lit.	A hardware failure has been
	detected.

The module failed its power-on self-test. Replace the module.

Power cycle the switch.

204515-C

4-3

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Contents Using the Passport 8100 Modules EC Declaration of Conformity EN 55 022 StatementBureau of Standards, Metrology and Inspection Bsmi Statement Voluntary Control Council for Interference Vcci Statement204515-C 204515-C 204515-C Contents Chapter Installing a Passport 8100 Module Appendix a Technical Specifications Appendix C Media Dependent Adapters Figures Figure C-1 BASE-SX Shortwave Gigabit MDA Front Panels Tables Xiv Before You Begin PrefaceItalic text Text ConventionsRelated Publications Xviii Technical Solutions Center Telephone Number How to Get HelpPage Chapter About the Passport 8100 Modules Features About the Passport 8100 Modules Passport 8190SM Management Module Passport 8190SM Switch Management ModuleEthernet Management Port Reset Button DTE/DCE SwitchSerial Ports Pcmcia Card SlotLEDs on the Passport 8190SM Module LEDsPassport 8132TX 32-Port I/O Module 10BASE-T/100BASE-TX Port ConnectorsComm Port MDA SlotLEDs on the Passport 8132TX Module Passport 8148TX 48-Port I/O Module Passport 8148TX Edge Switch ModuleLEDs on the Passport 8148TX Module Passport 8108GBIC 8-Port I/O ModulePassport 8108GBIC Module Redundancy FeaturesRedundant Passport 8190SM Modules Redundant Power SuppliesChassis Number Hot-Swap One? Modules Power Supplies Power Supply Hot-SwappingCombining Passport 8100 and Passport 8600 Modules Chapter Installing a Passport 8100 Module Safety and Environmental Precautions Chassis Configuration RequirementsRemoving a Filler Panel Installing a ModuleSlide the module into the slot Figure Securing the Module in the Chassis Turning On the Chassis PowerConnecting Cables Routing Network Cables Replacing ModulesTo replace a module Chapter Basic Switch Configuration Port Numbers on High-Density Modules Specifying Port NumbersBooting the Switch Access Levels and Default Login Values Access Level Description Default Login PasswordLogging On to the System Assigning an IP Address to the Management Port Setting System IdentificationChange CLI users and passwords using the following commands Setting System SecurityChange Web passwords using the command To assign an IP address for management, use the command Switch ConfigurationSpecify a default gateway address/default route Page Normal Power-Up Sequence Chapter TroubleshootingFailure to Get a Login Prompt from the Console Port LED Indications of ProblemsFailure of Management Software to Recognize I/O Modules Symptom Probable Cause Corrective Action LED Indications of ProblemsCabling Port Connection ProblemsAutonegotiation Modes Port Interface Use the CLI to disable autonegotiation for the suspect portAddresses Installation-Related IssuesPage Appendix a Technical Specifications General SpecificationsStandards Supported Performance Specifications 64-byte packets Environmental SpecificationsSafety Agency Approvals Data Rate and EncodingPassport 8190SM Switch Management Module Connector Pin Number Signal Management PortConsole Serial Port Table A-3 DTE-to-DCE Pin Assignments Modem Serial PortConnector Type Data Port ConnectorsCable Specifications Passport 8132TX ModuleMDAs Comm Port Connector450-1SR MDA, 450-1SX MDA 450-1LR MDA, 450-1LX MDAPort Connectors Passport 8148TX ModuleTable A-5. Passport 8148TX Port Pinouts GBICs Passport 8108GBIC Module1000BASE-SX Gbic Optical Specifications1000BASE-XD Gbic Figure A-1. MDI-X to MDI Cable Connections MDI and MDI-X ConnectionsFigure A-2. MDI-X to MDI-X Cable Connections Declaration of ConformityPage Figure B-1. LEDs on the Passport 8190SM Module Appendix B LEDsLabel Color/State Meaning Table B-1 LED Operation on the Passport 8190SM ModuleFigure B-2. LEDs on the Passport 8132TX and 8148TX Modules Passport 8132TX and 8148TX I/O ModulesColor/State Meaning LEDTable B-5 Port LEDs on the Passport 8108GBIC Module Page Appendix C Media Dependent Adapters Figure C-1 BASE-SX Shortwave Gigabit MDA Front Panels Series MDAsLabel Type Color/State Meaning Table C-1 1000BASE-SX MDA LEDsTable C-2 1000BASE-LX MDA LEDs 8100-4TX MDATable C-3 8100-4TX MDA LEDs Series Fiber MDAsTable C-4 Series MDA LEDs Figure C-4 Series MDA Front PanelsFigure C-5. Installing an MDA Installing an MDAUsing the Passport 8100 Modules Figure D-1. Types of GBICs Appendix D Installing GBICsFigure D-2. Installing a Gbic Installing a GbicTo remove an installed Gbic Page Appendix E RFCs and Standards Page Numbers IndexIndex-2 Index-3 Index-4