Nortel Networks BM450 manual Hardware Troubleshooting, Troubleshooting the BCM450 hardware

Models: BM450

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Chapter 3

Hardware Troubleshooting

Use the tasks in this chapter to troubleshoot problems related to the BCM450 hardware components.

Navigation

Troubleshooting the BCM450 hardware on page 19

Power on self test on page 27

Testing basic hardware functionality on page 28

Monitoring the boot process on page 34

Troubleshooting the BCM450 hardware

Complete the following tasks, in the order shown below, to troubleshoot some of the common problems that you may encounter with the BCM450 hardware:

Check the power source on page 19

Check LED indicators on page 19

Check the wiring connections on page 24

Verify the keycodes on page 24

Restart or shut down the system on page 25

Check the power source

Begin troubleshooting the hardware by checking the power source:

check the connection between the power supply and the main unit

check the connection from the power supply to the electrical outlet

Check LED indicators

After checking the power source, check the LED indicators. This section describes the operation of the BCM450 system LEDs:

System status LEDs on page 20

LAN port LEDs on page 21

Media bay module LEDs (expansion units only) on page 21

DTM LEDs on page 22

BRIM LEDs on page 24

BCM450 Troubleshooting Guide

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Nortel Networks BM450 manual Hardware Troubleshooting, Troubleshooting the BCM450 hardware, Check the power source