Chapter 4 Troubleshooting; Troubleshooting Overview - Cisco uBR924 Installation Manual

Troubleshooting
This chapter provides basic installation troubleshooting information. The chapter includes the
following sections:
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This chapter provides only hardware troubleshooting information that does not require
Note
access to the router's command-line interface (CLI) or knowledge of CLI commands. For
more advanced troubleshooting, refer to the Cisco IOS online document Troubleshooting
Tips for the Cisco uBR924 Cable Access Router.

Troubleshooting Overview

Installation problems with Cisco uBR924 routers are commonly due to the cable system and its
topography. LEDs on the front panel of the Cisco uBR924 router reveal operational status and help you
determine problem areas. See Figure 4-1 for the layout of the LEDs on the router's front panel; see
Table 1-1 on page 1-13 for a description of these LEDs.
OL-0338-01 (3/2000)
Troubleshooting Overview
Initialization and Self-Test Problems
Troubleshooting Subsystems
Using the Reset Switch
Further Contacts
C H A P T E R
Cisco uBR924 Router Hardware Installation Guide
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