Gaining Access to Memory Modules | Enterasys Networks 7G4205-72

Gaining Access to Memory Modules

2.Remove the two screws fastening the network expansion module to the DFE module front panel and remove the standoff fastening the network expansion module to the main board. Save the two screws and standoff for later use to reinstall the network expansion module.

3.Lift and remove the network expansion module off the two main PC board connectors. Now you have access to the DRAM SIMM. To replace the DRAM SIMM, proceed to “Removing the DIMM”.

B-8 Mode Switch Settings and Option Installations

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Enterasys Networks 7G4205-72, 7G4285-49 manual Gaining Access to Memory Modules

Contents

Enterasys Matrix Page Page Industry Canada Notice Product SafetyFederal Communications Commission FCC Notice Class a ITE Notice Clase A. Aviso de ITE Elektro- magnetische Kompatibilität EMC Electromagnetic Compatibility EMCCompatibilidad Electromágnetica EMC Hazardous Substances Supplement to Product Instructions Vcci Notice Bsmi EMC Statement Taiwan Safety Information Class 1 Laser Transceivers Declaration of Conformity Enterasys NETWORKS, INC. Firmware License Agreement Viii Page Page Contents Appendix a Specifications Figures Xiv About This Guide Who Should Use This Guide Related Documents How to Use This GuideFor Refer to Conventions Used in This Guide Following conventions are used in this guide Getting Help Support@enterasys.com Introduction Overview of DFE-Platinum Series Module Capabilities DFE Module and Interface Options 7G4285-49 7G4285-49 DFE-Platinum Module 7G4205-72 7G4205-72 DFE-Platinum Module Connectivity Switch Configuration Using WebViewNetwork Expansion Module NEM Management Secure Networks Policy Support Switch Configuration Using CLI CommandsStandards Compatibility Lanview Diagnostic LEDs Network Requirements Link Aggregation 10BASE-T Network 100BASE-TX Network 1000BASE-T Network 1000BASE-T Network Network Requirements Installation Required Tools Installation Site RequirementContents of DFE Module Carton Quantity Unpacking the DFE Module DFE 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 48 Vdc Power for PoE Operation Connecting to the Network Connecting UTP Cables to DFE Modules Making the UTP Connections Connecting 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 Connecting to a VT Series Terminal Parameter Setting Connecting to a Modem 10 Connecting a VT Series Terminal 11 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 Logging in with an Administratively-Configured User Account Enter Using Lanview TroubleshootingAbout the Management Mgmt LED Viewing Receive/Transmit Activity on 7G4285-49 Lanview LEDs on 7G4285-49 Viewing Receive/Transmit Activity on 7G4205-72 Lanview LEDs on 7G4205-72 Viewing the PoE Port Status Lanview LEDs Color State Recommended Action LED RX/TX Troubleshooting Checklist Platinum Series Configuration Guide for Troubleshooting Checklist Problem Possible Cause Recommended Action Overview of DFE Module Shutdown Procedure Recommended Shutdown Procedure Using OFFLINE/RESET Switch OFFLINE/RESET Switch Last Resort Shutdown Procedure Using OFFLINE/RESET Switch Specifications Processors/Memory DFE Module SpecificationsTable A-1 7G4285-49 Specifications Physical Table A-2 7G4205-72 Specifications Regulatory Compliance Table A-3 COM Port Pin Assignments Signal Name Input/OutputCOM Port Pinout Assignments Table A-4 Compliance Standards Regulatory Compliance Mode Switch Settings and Option Installations Setting the Mode Switches Memory Locations and Replacement Procedures Dram Simm Dimm Gaining Access to Memory Modules Removing the Safety Cover Figure B-3 Removing the Safety Cover Dram Simm Replacement Procedure Figure B-4 Removing the Optional Network Expansion Module Gaining Access to Memory Modules Removing the Dimm Dimm Replacement Procedure Figure B-6 Installing the Dimm Figure B-7 Removing the Existing Dimm Installing the Network Expansion Module NEM Figure B-8 Installing the Dimm Figure B-9 Installing the Network Expansion Module NEM Reinstalling the Safety Cover Figure B-10 Installing the Safety Cover Page About PoE Power over Ethernet Overview Proprietary PD Detection PoE Port Status LEDs Table C-2 PoE Status LED Indications PoE Port Status Overview About PoE Power over Ethernet Index Numerics NEM B-12 installing