Frequently Asked Questions NN40160-700 | Nortel Networks BM450

98 Chapter 11 Frequently Asked Questions

NN40160-700

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Nortel Networks BM450 manual Frequently Asked Questions NN40160-700

Contents

BCM450 Troubleshooting Guide Copyright 2008 Nortel Networks, All Rights Reserved BCM450 Troubleshooting Guide Task List Task List NN40160-700 Contents Chapter Advanced Troubleshooting Contents Chapter Understanding system messages Chapter Contacting Technical Support Audience IntroductionPurpose Organization List of acronyms AcronymsIntroduction Acronym Description Introduction List of acronyms Symbols and conventions used in this guide Related publications Introduction NN40160-700 Network configuration Initial TroubleshootingProper installation and routine maintenance Navigation Normal behavior on your network Device configuration informationInitial Troubleshooting Logical connections Initial Troubleshooting Initial Troubleshooting NN40160-700 Check the power source Hardware TroubleshootingTroubleshooting the BCM450 hardware Check LED indicators Hardware Troubleshooting System status LEDs states and descriptions LAN port LED locations Status Description Power Status Description MBM LED descriptions DTM LED functions Status Descriptions Verify the keycodes Check the wiring connectionsTo verify the keycodes using Element Manager To verify the keycodes using Telset Restart or shut down the system Function Description Impact Reset functionsTo restart the system Viewing the Post log file Power on self testHardware reset functions Testing basic hardware functionality Example Bootloader.log file with no errors To test the expansion unit To test the main unitTo troubleshoot the main unit Testing an MBM To troubleshoot the expansion unit To determine why the ATA 2 does not function Determining why an MBM does not appear in Element ManagerTroubleshooting the FEM Reset to factory settings To determine why there is no dial tone at the ATA2To check the ATA2 wiring Reset levels To perform a Level 2 reset software reset Monitoring the boot processTo perform a Level 1 reset configuration reset Hardware Troubleshooting Boot process with failed or missing memory Verify the keycodes Software TroubleshootingVerify the software version Check the programming of lines and phones To check line programming Software TroubleshootingCheck line programming Trunk/Line data Software Troubleshooting Trunk/Line Data main panel Sheet 2 Software Troubleshooting Trunk/Line Data main panel Sheet 3 Properties Dia l mode Properties line settings Sheet 1Trunk mode Line must be equipped with disconnect supervision from Preferences Software Troubleshooting Properties line settings Sheet 2Signaling Preferences details fields for lines Sheet 1 Auto privacy Answer mode Restrictions Restrictions Assigned DNs To restore data from an archiveRestoring system data To restore the factory configuration Select Components to Restore panel opens Viewing the inventory of BCM450 software Obtaining software updatesVerify the software inventory To view the BCM450 software inventory To obtain updates from the Nortel Technical Support Web Software Troubleshooting NN40160-700 Example 1 Cannot dial out from an analog trunk Advanced TroubleshootingTroubleshooting example Advanced Troubleshooting Example 2 Cannot dial out from a SIP or H323 VoIP trunk Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Example 3 IP set is not registering with the BCM450 Troubleshooting example 3a Troubleshooting example 3b Advanced Troubleshooting Example 5 Cannot dial out from digital trunk Troubleshooting example Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Troubleshooting example Select Configuration Resources Telephony Resources Recovery trees System is not processing calls Recovery trees Start-up profile fails Cannot access BCM450 through Element Manager Start-up profile fails Cannot access BCM450 through Element Manager NN40160-700 Unexpected shutdown BCM450 Troubleshooting Guide BCM450 shuts down unexpectedly Recovery trees NN40160-700 Downloading software from the BCM450 webpage Application User Administrator User ApplicationsDownloading Software Applications available on BCM450 web To download software from the BCM450 webpage Downloading Software Applications available on BCM450 web Downloading software from the Nortel web site Downloading Software Downloading Software NN40160-700 Status and Metrics Troubleshooting ToolsService Management Troubleshooting Tools Command Line InterfaceAccessing the CLI Utilities Using the Configuration CLI Accessing the CLI through a serial connectionAccessing the CLI through the OAM port Using the Maintenance CLI Reporting for dropped calls Alarms, logs, and trapsUnderstanding system messages To set Release Reasons Understanding system messages Release reasons Using the Knowledge and Solution Engine Useful Troubleshooting LinksKnowledge and Solution Engine Partner Bulletins To use the Knowledge and Solution Engine Useful Troubleshooting Links To perform a backup Frequently Asked QuestionsBackup, restore, and reset operations How do I back up the database? Frequently Asked Questions How do I restore the BCM450 from a previous backup?To restore data from the BCM450 How do I recover a lost password for the BCM450? Password protectionCompleting a warm or cold reset Recovering a lost password To view an alarm Fault managementHow do I view Alarms? Can I acknowledge and clear them? System and status information To acknowledge an alarmUsing the Element Manager to transfer log files How do I capture the logs from the BCM450? Using the BCM450 Web Page to transfer log files How do I capture the current BCM450 configuration? Capturing the current configuration How do I show specific process states? How do I find the BCM450 system health?Viewing the system health Viewing specific process states How do find the BCM450 System ID and Serial Number? Connectivity problemsVerify the current software revision Viewing the system ID and serial number IP addresses What is an Ethernet loop, and how do I avoid creating one?What are the default IP addresses of the BCM450 ports? Can I modify the IP address of the OAM port? Frequently Asked Questions Frequently Asked Questions NN40160-700 Contacting Technical Support Gathering critical information Contacting Technical Support Getting help over the phone from a Nortel Solutions CenterGetting Help from the Nortel Web site Getting help through a Nortel distributor or reseller Contacting Technical Support NN40160-700