Universal Broadband Router Hardware Installation Guide
CHAPTER
4-1
Cisco uBR10012 Universal Broadband Router Hardware Installation Guide
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4
Troubleshooting the Installation
This chapter provides basic troubleshooting information to solve the most common installation problems
with the Cisco
uBR10012 universal broadband router. Your Cisco uBR10012 router went through
extensive testing before leaving the factory. However, if you encounter problems starting the router, use
the information in this chapter to help isolate the cause of the problems.
This chapter contains the following sections:
• Troubleshooting Methods, page 4-2
• Troubleshooting Installation Problems, page 4-2
• Troubleshooting Ethernet Connections, page 4-4
• Troubleshooting the Console Port Serial Connection, page 4-5
• Identifying Startup Problems, page 4-6
• Troubleshooting the Power Subsystem, page 4-7
• Troubleshooting the Processor Subsystem, page 4-10
• Troubleshooting the Cooling Subsystem, page 4-11
• Troubleshooting the Line Cards, page 4-12
• Troubleshooting the HHGE Installation, page 4-13
Note The procedures in this chapter assume that you are troubleshooting the initial system startup, and that
your router is in the original factory configuration. If you have removed or replaced components or
changed any default settings, the recommendations in this chapter might not apply.
Make sure to review the safety warnings listed in this manual, especially in Chapter 2, “Preparing for
Installation,” before using the troubleshooting procedures in this chapter.