Cabletron Systems 3H08-04, 3H02-04 manual Chapter Diagnostics and Troubleshooting, POWER-UP Tests

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CHAPTER 5

DIAGNOSTICS AND TROUBLESHOOTING

Built-in diagnostic capabilities for the FE Switch Modules include:

Power-up diagnostics, which are run every time the switch module is brought on line

Front panel status LEDs

Local and remote loopback tests

Temperature sensors

5.1 POWER-UP TESTS

The power-up diagnostics assure that the ATX and all the installed modules are operating. During diagnostic mode, the status LEDs are used differently than during normal operation.

When you power up the ATX, it automatically senses the installed boards and reassigns port numbers, starting with the PPE as port 1. During a normal power-up test, the diagnostics test the entire ATX, starting with the PPE, and going from slot to slot, from the top down. The normal power-up sequence is described in Chapter 2, Connecting to the Network.

5.2 POWER-UP RESULTS

After the power-up diagnostic sequence is complete, all status LEDs on the ATX front panel should be on (lit), indicating that the modules have passed the power-up tests (see Table 5-1 and Table 5-2). If a switch module fails a critical test, it is automatically disabled.

FE Switch Module User Guide

Page 5-1

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Contents User Guide Fast Ethernet Switch ModulePage FE Switch Module User Guide FCC Notice Cabletron SYSTEMS, INC. Program License Agreement United States Government Restricted Rights Contents Contents FastNET ATX Chapter IntroductionUsing this Manual Overview 3H02-04 FE Switch ModuleConnectors LEDs3 Offline Button 3H08-04 Front Panel 3H08-04 FE Switch ModuleDocument Conventions Getting Help Related ManualsFE Switch Module User Guide POWER-UP LED Sequence Chapter Connecting to the NetworkConnecting the 3H02-04 FE Switch Module Connecting to a Network3H08-04 Front Panel Connections Connecting the 3H08-04 FE Switch ModuleFE Switch Module User Guide Chapter Configuring Local Console Manager Commands Connecting the Local Console ManagerChapter Monitoring Displaying Switch Module Port StatusMonitoring Displaying Switch Module Port Status Monitoring FE Switch Module User Guide Chapter Diagnostics and Troubleshooting POWER-UP TestsPOWER-UP Results Diagnostics and Troubleshooting Operational DiagnosticsDiagnostic Results TroubleshootingIf the Module Fails to Power Up Connectivity Problems Unpacking the Switch Module Adding a Switch ModuleChapter ADDING/SWAPPING Modules Swapping a Switch Module Swapping a Switch Module FE Switch Module User Guide TCP/IP IPX Appendix a Technical Specifications3H02-04 RJ45 for UTP 3H08-04 ST for Fiber Optics TYPES/CONNECTORS Cable SpecificationsAppendix B Cables Fast Ethernet PIN Assignments About RJ45 ConnectorsFast Ethernet Pin Assignments Crossover Wiring for the 3H02-04Straight-Through Wiring for the 3H02-04 Limitations & Restrictions5 Definitions Index Index Index-2 FE Switch Module User Guide