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BCM50 Troubleshooting Guide

Chapter 3

Hardware Troubleshooting

Use the tasks in this chapter to troubleshoot problems related to the BCM50 hardware

components.

Navigation

• Troubleshooting the BCM50 hardware on page 17

• Testing basic hardware functionality on page 27

Troubleshooting the BCM50 hardware

Complete the following tasks, in the order shown below, to troubleshoot some of the common

problems that you may encounter with the BCM50 hardware:

• Check the power source on page 17

• Check LED indicators on page 17

• Check the wiring connections on page 25

• Verify the keycodes on page 25

• Restart the system on page 26

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 BCM50 system LEDs:

• System status LEDs on page 18

• LAN port LEDs on page 19

• ADSL router LEDs (BCM50a and BCM50ba only) on page 20

• Ethernet router LEDs (BCM50e and BCM50be only) on page 21

• BRI port LEDs on main unit (BRI series only) on page 22

• Media bay module LEDs (expansion units only) on page 23

• DTM LEDs on page 24

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