Connecting to a Modem

3-22

Adapter Wiring and Signal Assignments

3-24

Completing the Installation

3-26

Completing the Installation of a New System

3-26

Completing the Installation of a DFE Module in an Existing System

3-28

Chapter 4: Troubleshooting

Using LANVIEW

4-1

About the Management (MGMT) LED

4-1

Viewing the Receive and Transmit Activity

4-2

Viewing the PoE Port Status

4-2

Troubleshooting Checklist

4-6

Overview of DFE Module Shutdown Procedure

4-8

Recommended Shutdown Procedure Using OFFLINE/RESET Switch

4-9

Last Resort Shutdown Procedure Using OFFLINE/RESET Switch

4-10

Appendix A: Specifications

DFE Module Specifications

A-1

COM Port Pinout Assignments

A-2

Regulatory Compliance

A-3

Appendix B: Mode Switch Settings and Option Installations

Required Tools

B-1

Setting the Mode Switches

B-2

Memory Locations and Replacement Procedures

B-3

Gaining Access to Memory Modules

B-4

Removing the Safety Cover

B-5

DRAM SIMM Replacement Procedure

B-7

DIMM Replacement Procedure

B-10

Installing the Network Expansion Module (NEM)

B-11

Reinstalling the Safety Cover

B-13

Appendix C: About PoE (Power over Ethernet)

Overview

C-1

Proprietary PD Detection

C-2

Power Interface

C-2

Matrix N5 Backplane 48 Vdc Interface

C-2

Front Panel 48 Vdc Interface

C-2

PoE Port Status LEDs

C-3

Index

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Enterasys Networks 7H4385-49 Troubleshooting, Appendix a Specifications, Appendix C About PoE Power over Ethernet, Index