Cabletron Systems ESX-1320 manual Troubleshooting Checklist

Page 45

 

 

 

Troubleshooting Checklist

Table 4-2

Troubleshooting Checklist (Continued)

 

 

 

 

Problem

 

Possible Cause

Recommended Action

 

 

 

 

 

 

 

 

Port(s) goes into

 

Configurations where

Discuss these configurations

standby for no

 

devices connect across

with Cabletron Systems

apparent reason.

 

ESX channels can cause

Technical Support before

 

 

the ESX to detect a

implementing them into your

 

 

looped condition.

network.

 

 

 

 

User parameters (IP

 

Position of the NVRAM

Reenter the lost parameters

address, Device and

 

Reset Switch was

as necessary.

Module name, etc.)

 

changed before the last

 

are lost when the

 

power down or pressing

 

ESX is powered

 

of the RESET button,

 

down or the front

 

causing the user-entered

 

panel RESET button

 

parameters to reset to

 

is pressed.

 

factory default settings.

 

 

 

NVRAM may be

Call Cabletron Systems

 

 

defective.

Technical Support.

 

 

 

 

ESX-1320/ESX-1380 Installation Guide

4-5

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Contents Installation Guide Page ESX-1320/ESX-1380 Installation Guide DOC Notice Cabletron Software Program License Declaration of Conformity Contents Contents Chapter Introduction ESX-1320 and ESX-1380 SwitchesFeatures Using this ManualFeatures Following conventions are used throughout this document Document ConventionsGetting Help Related ManualsAnonymous Chapter Controls and Indicators Reset ButtonLanview LEDs Simplex or Full Duplex Mode Operation LCD DisplayNetwork Management Capabilities Simplex or Full Duplex Mode Operation ESX-1320/ESX-1380 Installation Guide Chapter Installation Unpacking the ESX Removing the Chassis Cover Screws Removing the Chassis Cover Setting Mode SwitchesESX Mode Switch Location/Component Layout Setting Mode Switches Nvram Reset Switch Nvram Reset SwitchSimm Upgrades Installing SIMMsLocating SIMMs Installing the Flash Simm Installing the Sdram or Ldram Simm Brim Connection Installing the ESXTabletop or Shelf Installation Tabletop or Shelf InstallationRackmount Installation Rack Mounting the ESX 12 Installing the ESX in the Rack Connecting to the Power SourcePRE-NETWORK Installation Test 13 Pre-Installation Test Connecting a Twisted Pair Segment to the ESX-1320 Connecting to the Network14 ESX-1320 Twisted Pair Connection 15 Cable Pinouts RJ45 Crossover Cable Connecting a 10BASE-F Segment to the ESX-138016 ST Connector Insertion Using Lanview Chapter TroubleshootingTroubleshooting Using Lanview Troubleshooting Checklist Troubleshooting Checklist Reset Button Using the Reset ButtonLCD Using the LCDUnsaved Initialization Messages From the last Static System message Static System MessagesStatic System Messages Displayed Messages Comments From the product name display Alarm MessagesDisplayed Messages Comments Saved System MessagesFrom an Alarm Message display Failure or Error Messages Appendix a Specifications FunctionalityCOM Port 1 and COM Port Environmental Requirements Electrical SpecificationsRegulatory Physical PropertiesAppendix B Ethernet Cabling Requirements Network Requirements10BASE-T Twisted Pair Network Appendix B Ethernet Cabling Requirements Multimode Fiber Optic Network ESX-1320/ESX-1380 Installation Guide Numerics IndexIndex-2 ESX-1320/ESX-1380 Installation Guide ESX-1320/ESX-1380 Installation Guide Index-3 Index Index-4 ESX-1320/ESX-1380 Installation Guide Power Supply Cord