Enterasys Networks 7G4285-49 Troubleshooting Checklist, Problem Possible Cause Recommended Action

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			Troubleshooting Checklist
	Table 4-2 Troubleshooting Checklist (continued)

	Problem	Possible Cause	Recommended Action

	Cannot contact the	IP address not assigned.	Refer to the Enterasys Matrix DFE-
	module through in-		Platinum Series Configuration Guide for
	band management.		the IP address assignment procedure.

		Port is disabled.	Enable port. Refer to the Enterasys Matrix
			DFE-Platinum Series Configuration Guide
			for instructions to enable/disable ports.

Host Port policy and/or management VLAN is incorrectly configured, or not configured.

Verify that a management VLAN exists and that it is associated with the Host Port.

Refer to the Enterasys Matrix DFE- Platinum Series Configuration Guide for information about Host Port and management VLAN configuration.

	No link to device.	Verify that all network connections
		between the network management station
		and the DFE module are valid and
		operating.
		If the problem continues, contact
		Enterasys Networks for technical support.

Port(s) goes into	Loop condition detected.	Verify that Spanning Tree is enabled.
standby for no		Refer to the Enterasys Matrix DFE-
apparent reason.		Platinum Series Configuration Guide for
		the instructions to set the type of STA.
		Review the network design and delete
		unnecessary loops.
		If the problem continues, contact
		Enterasys Networks for technical support.

DFE-Platinum Series Hardware Installation Guide 4-9

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Contents Enterasys Matrix Page Page Class a ITE Notice Clase A. Aviso de ITE Product SafetyFederal Communications Commission FCC Notice Industry Canada NoticeHazardous Substances Electromagnetic Compatibility EMCCompatibilidad Electromágnetica EMC Elektro- magnetische Kompatibilität EMCSupplement to Product Instructions Bsmi EMC Statement Taiwan Vcci NoticeDeclaration of Conformity Safety Information Class 1 Laser TransceiversEnterasys NETWORKS, INC. Firmware License Agreement Viii Page Page Contents Appendix a Specifications Figures Xiv Who Should Use This Guide About This GuideRelated Documents How to Use This GuideFor Refer to Following conventions are used in this guide Conventions Used in This GuideSupport@enterasys.com Getting HelpOverview of DFE-Platinum Series Module Capabilities Introduction7G4285-49 DFE Module and Interface Options7G4285-49 DFE-Platinum Module 7G4205-72 7G4205-72 DFE-Platinum Module Management Switch Configuration Using WebViewNetwork Expansion Module NEM ConnectivitySecure Networks Policy Support Switch Configuration Using CLI CommandsStandards Compatibility Lanview Diagnostic LEDs Network Requirements 10BASE-T Network Link Aggregation1000BASE-T Network 100BASE-TX Network1000BASE-T Network Network Requirements Installation Unpacking the DFE Module Installation Site RequirementContents of DFE Module Carton Quantity Required ToolsDFE Module Placement and Installation Rules Installing an Optional Network Expansion Module NEMMatrix E7 Chassis Module Placement Example 2 -1,B Example 1 -1,AExample 3 -1, C Example 5 -1, E Example 4 -1,DExample 6 -1, F Preparing to Install into a Chassis Installing the DFE Modules into a Matrix E7 or N7 Chassis Preparing to Install into a Chassis Preparing to Install into a Chassis Installing the DFE Modules into a Matrix N3 or N5 Chassis Card guides Connecting to the Network Connecting 48 Vdc Power for PoE OperationMaking the UTP Connections Connecting UTP Cables to DFE ModulesConnecting a Twisted Pair Segment with RJ45 Connector RX+ TX+ TX1+ 1 RX1- 2 TX2+ 3 TX3+ 4 RX3- 5 RX2- 6 TX4+ 7 RX4 Verifying PoE Port Status What Is Needed Connecting to COM Port for Local ManagementConnecting to an IBM PC or Compatible Device Parameter Setting Connecting to a VT Series Terminal10 Connecting a VT Series Terminal Connecting to a Modem11 Connecting to a Modem COM Port Adapter Wiring and Signal Diagram RJ45 Adapter Wiring and Signal AssignmentsRJ45 DB25 Modem Port Adapter Wiring and Signal Diagram Completing the Installation of a New System Completing the InstallationFirst-Time Log-In Using a Console Port Connection 12 Matrix DFE Startup Screen Example N7 Chassis Enter Logging in with an Administratively-Configured User AccountUsing Lanview TroubleshootingAbout the Management Mgmt LED Lanview LEDs on 7G4285-49 Viewing Receive/Transmit Activity on 7G4285-49Lanview LEDs on 7G4205-72 Viewing Receive/Transmit Activity on 7G4205-72Viewing the PoE Port Status Color State Recommended Action Lanview LEDsLED RX/TX Platinum Series Configuration Guide for Troubleshooting ChecklistProblem Possible Cause Recommended Action Troubleshooting ChecklistOverview of DFE Module Shutdown Procedure OFFLINE/RESET Switch Recommended Shutdown Procedure Using OFFLINE/RESET SwitchLast Resort Shutdown Procedure Using OFFLINE/RESET Switch Specifications Physical DFE Module SpecificationsTable A-1 7G4285-49 Specifications Processors/MemoryTable A-2 7G4205-72 Specifications Table A-4 Compliance Standards Regulatory Compliance Table A-3 COM Port Pin Assignments Signal Name Input/OutputCOM Port Pinout Assignments Regulatory ComplianceMode Switch Settings and Option Installations Setting the Mode Switches Memory Locations and Replacement Procedures Dram Simm Dimm Removing the Safety Cover Gaining Access to Memory ModulesFigure B-3 Removing the Safety Cover Figure B-4 Removing the Optional Network Expansion Module Dram Simm Replacement ProcedureGaining Access to Memory Modules Removing the Dimm Figure B-6 Installing the Dimm Dimm Replacement ProcedureFigure B-7 Removing the Existing Dimm Figure B-8 Installing the Dimm Installing the Network Expansion Module NEMFigure B-9 Installing the Network Expansion Module NEM Reinstalling the Safety Cover Figure B-10 Installing the Safety Cover Page Overview About PoE Power over EthernetProprietary PD Detection Table C-2 PoE Status LED Indications PoE Port Status PoE Port Status LEDsOverview About PoE Power over Ethernet Numerics IndexNEM B-12 installing