Enterasys Networks 9033989-06, 6H308-48, 4H4285-49 Dimm Replacement Procedure, Removing the Dimm

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Gaining Access to Memory Modules

DIMM Replacement Procedure

In the event that the DIMM needs to be replaced, the following sections explain how to remove and install the DIMM. If you have questions concerning the replacement of the DIMM, refer to “Getting Help” on page xviii for details on how to contact Enterasys Networks.

Removing the DIMM

Caution: Observe all Electrostatic Discharge (ESD) precautions when handling sensitive electronic equipment.

Precaución: Al trabajar con equipos electrónicos sensibles, tome todas las precauciones de seguridad para evitar descargas de electricidad estática.

To remove the existing DIMM, proceed as follows:

1.Remove and save the seven screws attaching the safety cover to the standoffs on the main PC board.

2.Locate the DIMM connector on the main PC board. Refer back to Figure B‐2 for the DIMM location on the 4H4285‐49.

3.Push the connector arms away from the DIMM, as shown in Figure B‐7, and simultaneously lift the DIMM enough to release it from the connector fingers.

Figure B-7 Removing the Existing DIMM

À

 
1 Connector arms

2 DIMM

3 Connector fingers

4.Rotate the DIMM upwards, then remove it from the connector fingers.

B-10 Mode Switch Settings and Option Installations

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Contents Enterasys Matrix Page Page Regulatory Compliance Information Electromagnetic Compatibility EMC Supplement to Product Instructions Vcci Notice Safety Information Class 1 Laser Transceivers Enterasys NETWORKS, INC. Firmware License Agreement Viii Page Page Contents Troubleshooting Appendix a SpecificationsAppendix B Mode Switch Settings and Option Installations Appendix C About PoE Power over EthernetFigures TablesXiv Important Notice About This GuideWho Should Use This Guide For Refer to How to Use This GuideRelated Documents Conventions Used in This Guide Following conventions are used in this guideGetting Help Introduction For information about Refer to4H4285-49 Overview of DFE-Gold PoE Module CapabilitiesDFE-Gold Module DFE-Gold Module 4H4285-49 DFE-Gold Module Switch Configuration Using WebView Switch Configuration Using CLI CommandsConnectivity ManagementLanview Diagnostic LEDs Standards CompatibilityNetwork Requirements Link Aggregation10BASE-T Network 100BASE-TX NetworkInstallation Unpacking the DFE Module Installation Site RequirementContents of DFE Module Carton Quantity Installing Optional Network Expansion Module NEM DFE Module Placement and Installation RulesExample 1 -1, a Example 3 -1, C Preparing to Install the 4H4285-49 Installing 4H4285-49 into a Matrix E7 or N7 Chassis Preparing to Install the 4H4285-49 Card guides Installing 4H4285-49 into Matrix N3 or N5 Chassis Card guides Connecting 48 Vdc Power for PoE Operation Making the UTP Connections Connecting to the NetworkConnecting UTP Cables to 4H4285-49 Connecting a Twisted Pair Segment with RJ45 Connector RX+ TX+ RX+ Verifying PoE Port Status Connecting to an IBM PC or Compatible Device Connecting to COM Port for Local ManagementWhat Is Needed Connecting to a VT Series Terminal Parameter Setting10 Connecting a VT Series Terminal Connecting to a Modem 11 Connecting Using a Modem Adapter Wiring and Signal Assignments COM Port Adapter Wiring and Signal Diagram RJ45VT Series Port Adapter Wiring and Signal Diagram RJ45 DB25Modem Port Adapter Wiring and Signal Diagram RJ45 DB25 Completing the InstallationCompleting the Installation of a New System First-Time Log-In Using a Console Port Connection 12 Matrix Defogged Startup Screen Example N7 Chassis Logging in with an Administratively-Configured User Account EnterCompleting the Installation About the Management Mgmt LED TroubleshootingUsing Lanview Viewing Receive/Transmit Activity Lanview LEDsViewing the PoE Port Status Color State Recommended ActionAlternately 67% on, 33% LED RX/TX Troubleshooting Checklist Refer to the Matrix DFE-Gold Series ConfigurationMatrix DFE-Gold Series Configuration Guide for Overview of DFE Module Shutdown Procedure OFFLINE/RESET SwitchRecommended Shutdown Procedure Using OFFLINE/RESET Switch Last Resort Shutdown Procedure Using OFFLINE/RESET SwitchTable A-1 4H4285-49 Specifications Specifications4H4285-49 Specifications Table A-1 4H4285-49 Specifications ItemSpecification Processors/MemoryTable A-2 COM Port Pin Assignments Signal Name Input/Output COM Port Pinout AssignmentsRegulatory Compliance Table A-3 Compliance Standards Regulatory ComplianceRegulatory Compliance Specifications Mode Switch Settings and Option Installations Required ToolsSetting the Mode Switches Memory Locations and Replacement Procedures Memory Locations and Replacement ProceduresGaining Access to Memory Modules Gaining Access to Memory ModulesRemoving the Safety Cover Figure B-3 Removing the Safety Cover Dram Simm Replacement Procedure Removing the Network Expansion Module NEMRemoving the Dram Simm Figure B-5 Removing the Existing Dram SimmInstalling the Dram Simm Figure B-6 Installing the Dram SimmDimm Replacement Procedure Removing the DimmInstalling the Dimm Figure B-8 Installing the DimmReinstalling the Optional Network Expansion Module Figure B-9 Installing the Network Expansion ModuleReinstalling the Safety Cover Figure B-10 Installing the Safety Cover About PoE Power over Ethernet OverviewPower Interface Proprietary PD DetectionMatrix N5 Backplane 48 Vdc Interface Front Panel 48 Vdc InterfacePoE Port Status LEDs Table C-2 PoE Status LED Indications PoE Port StatusPoE Port Status LEDs About PoE Power over Ethernet Index NumericsPinout assignments console port A-3
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