Chapter 4: Troubleshooting4-62E43-51/2E43-51R User’s Guide4.3 TROUBLESHOOTING CHECKLISTIf the 2E43-51 is not working properly, refer to Table 4-4 for a checklistof possible problems, causes, and recommended actions to resolve theproblem.Table 4-4 Troubleshooting ChecklistProblem Possible Cause Recommended ActionAll LEDs are OFF. Loss of power. Check for proper connectionof the power cable and itsaccess to a live outlet.Installed improperly. Check the installation.No LocalManagementPassword screen.Autobaud is enabled. Press ENTER (RETURN)(may take up to four times).Terminal setup is notcorrect.Refer to Chapter 5 for propersetup procedures.Improper console cableused.Refer to Appendix A forproper console port pinouts.Cannot contact the2E43-51 fromin-bandmanagement.Using incorrectCommunity Name.Refer to Chapter 5for Community Name setup.The 2E43-51 does nothave an IP addressassigned.Refer to Chapter 5 for IPaddress assignmentprocedure.Port is disabled. Enable port.No link to device. Check link to device.Port(s) goes intostandby for noapparent reason.The 2E43-51 detected aloop condition.1. Review network designand delete unnecessaryloops.2. Call the CabletronSystems Global CallCenter if the problemcontinues.User parameters (IPaddress, Device andModule name, etc.)were lost when the2E43-51 power wascycled or the frontpanel RESET buttonwas pressed.Mode switch (7), NVRAMReset, was changedsometime before eithercycling power orpressing the RESETbutton causing theuser-entered parametersto reset to factory defaultsettings.1. Reenter the lostparameters as necessary.2. Call the CabletronSystems Global CallCenter if the problemcontinues.
