Enterasys Networks 2G4082-25, 9034310-01 manual Connecting to the Network, Connecting UTP Cables

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Connecting to the Network

Figure 3-2 Installing Module into N3, N1, or N5 Chassis (N3 shown)

 

 

 

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Card guides

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Upper locking tab (shown in closed position)

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Backplane connectors

4Metal back panel

Connecting to the Network

This section provides the procedures for connecting unshielded twisted pair (UTP) segments from the network or other devices to the 2G4082‐25 (“Connecting UTP Cables” on page 3‐6).

Note: If the DFE-Platinum module is being installed in a network using Link Aggregation, there are rules concerning network cables and port configurations that must be followed for Link Aggregation to operate properly. Before connecting the cables, refer to the Enterasys Matrix DFE-Diamond/ Platinum Series Configuration Guide for the configuration information. For details on how to obtain manuals, refer to the “Related Documents” on page xii.

Connecting UTP Cables

The fixed RJ45 front panel connections of the 2G4082‐25 are 10/100/1000 Mbps ports. These ports have internal crossovers, and also support automatic‐polarity sensing when configured for automatic‐negotiation.

If automatic‐negotiation is not activated on a port, use a straight‐through cable when connecting a workstation to the port. When connecting a networking device to the port, such as a bridge, repeater, or router, use a crossover cable.

If a port is set for auto‐negotiation, automatic‐polarity sensing is also activated. Automatic‐ polarity sensing eliminates the need for a crossover cable, regardless if the connection is to another network device or a workstation.

Note: All RJ45 front panel ports on the 2G4082-25 support Category 5 Unshielded Twisted Pair (UTP) cabling with an impedance between 85 and 111 ohms. Category 3 cable may be used if the connection is going to be used only for 10 Mbps.

3-6 Installation

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Contents Enterasys Matrix Page Page Regulatory Compliance Information Electromagnetic Compatibility EMC Supplement to Product Instructions Vcci Notice Enterasys NETWORKS, INC. Firmware License Agreement Vii Viii Contents Appendix a Specifications IndexTables About This Guide Who Should Use This GuideImportant Notice How to Use This Guide Related DocumentsConventions Used in This Guide Getting HelpGetting Help Introduction Overview of DFE Series CapabilitiesDFE-Platinum Module 2G4082-25DFE Network Expansion Module NEM Option Switch Configuration Using WebViewSwitch Configuration Using CLI Commands ConnectivityLanview Diagnostic LEDs Secure Networks Policy SupportStandards Compatibility Lanview Diagnostic LEDs Introduction Network Requirements Link Aggregation1000BASE-T Network 10BASE-T Network100BASE-TX Network 1000BASE-SX/LX/ELX NetworkInstallation Installing Optional Network Expansion Modules Installing Module into Matrix E7 or N7 ChassisUnpacking the DFE-Platinum Module Installation PreparationCard guides Installing Module into Matrix N1, N3, or N5 Chassis Connecting to the Network Connecting UTP CablesConnecting a Twisted Pair Segment to the DFE-Platinum Module RX+ TX1+ RX1 TX2+ TX3+ RX3 RX2 TX4+ RX4 Connecting to COM Port for Local Management What Is NeededConnecting to an IBM PC or Compatible Device Connecting to a VT Series Terminal Connecting an IBM PC or CompatibleConnecting to a Modem Connecting a VT Series TerminalAdapter Wiring and Signal Assignments DB9Modem Port Adapter Wiring and Signal Diagram Completing the Installation of a New System First-Time Log-In Using a Console Port ConnectionLogging in with an Administratively-Configured User Account 11 Matrix DFE Startup Screen Example N7 ChassisAbout the Management Mgmt LED TroubleshootingUsing Lanview Viewing the Receive and Transmit ActivityLED Alternating 67% on, 33% off Troubleshooting Checklist Series Configuration Guide for proper setupOverview of DFE-Platinum Module Shutdown Procedure Recommended Shutdown Procedure Specifications DFE-Platinum Module SpecificationsCOM Port Pinout Assignments Regulatory ComplianceMode Switch Bank Settings Optional Installations Setting the Mode SwitchesRequired Tools Memory Locations and Replacement Procedures Figure B-1 Mode Switch Location on 2G4082-25Flash Dimm Replacement Procedure Location of Memory ModulesRemoving the Dimm from 2G4082-25 Figure B-3 NEM Removal and Dimm Connector Location Installing the Dimm DimmDram Simm Replacement Procedure Installing the Dram SimmRemoving the Dram Simm Figure B-7 Installing the Dram Simm Page Index NumericsIndex-2
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