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28 Chapter 3 Hardware Troubleshooting
NN40160-700NN40160-700
Figure 5 Example: Bootloader.log file with no errors
Figure 6 Example: Boot file with errors
Testing basic hardware functionality
This section describes how to test the components of the BCM450 system, and how to
troubleshoot them if they fail the test.
Use the following procedures to help isolate and identify problems with your BCM450 hardware:
• To test the main unit on page 29
• To troubleshoot the main unit on page 29
• To test the expansion unit on page 29
• To troubleshoot the expansion unit on page 30
• Testing an MBM on page 30
• Troubleshooting the FEM on page 31
• To determine why the ATA 2 does not function on page 31
• To determine why there is no dial tone at the ATA2 on page 32
• To check the ATA2 wiring on page 32
• Reset to factory settings on page 32
• To perform a Level 1 reset (configuration reset) on page 34