Enterasys Networks 7H4385-49 Chapter 4: Troubleshooting, Appendix A: Specifications, Index, Appendix B: Mode Switch Settings and Option Installations, Appendix C: About PoE (Power over Ethernet)

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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