Advanced Troubleshooting | Nortel Networks BM450 instruction

56Chapter 5 Advanced Troubleshooting

Note: Ensure that the Absorbed Length is configured to the expected dialing plan.

9Select Configuration > Telephony > Sets > Active Sets and select the Line Access tab.

NN40160-700

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Nortel Networks BM450 manual Advanced Troubleshooting

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 Introduction PurposeAudience Organization Acronyms IntroductionList of acronyms Acronym Description Introduction List of acronyms Symbols and conventions used in this guide Related publications Introduction NN40160-700 Initial Troubleshooting Proper installation and routine maintenanceNetwork configuration Navigation Device configuration information Initial TroubleshootingNormal behavior on your network Logical connections Initial Troubleshooting Initial Troubleshooting NN40160-700 Hardware Troubleshooting Troubleshooting the BCM450 hardwareCheck the power source 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 Software Troubleshooting Verify the software versionVerify the keycodes Check the programming of lines and phones Software Troubleshooting Check line programmingTo check line programming Trunk/Line data Software Troubleshooting Trunk/Line Data main panel Sheet 2 Software Troubleshooting Trunk/Line Data main panel Sheet 3 Properties Properties line settings Sheet 1 Trunk modeDia l 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 Obtaining software updates Verify the software inventoryViewing the inventory of BCM450 software 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 Application User Administrator User Applications Downloading SoftwareDownloading software from the BCM450 webpage 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 Command Line Interface Accessing the CLITroubleshooting Tools Utilities Using the Configuration CLI Accessing the CLI through a serial connectionAccessing the CLI through the OAM port Using the Maintenance CLI Alarms, logs, and traps Understanding system messagesReporting for dropped calls To set Release Reasons Understanding system messages Release reasons Useful Troubleshooting Links Knowledge and Solution EngineUsing the Knowledge and Solution Engine Partner Bulletins To use the Knowledge and Solution Engine Useful Troubleshooting Links Frequently Asked Questions Backup, restore, and reset operationsTo perform a backup 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 Password protection Completing a warm or cold resetHow do I recover a lost password for the BCM450? Recovering a lost password To view an alarm Fault managementHow do I view Alarms? Can I acknowledge and clear them? To acknowledge an alarm Using the Element Manager to transfer log filesSystem and status information 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 find the BCM450 system health? Viewing the system healthHow do I show specific process states? Viewing specific process states Connectivity problems Verify the current software revisionHow do find the BCM450 System ID and Serial Number? Viewing the system ID and serial number What is an Ethernet loop, and how do I avoid creating one? What are the default IP addresses of the BCM450 ports?IP addresses 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