Router Installation Guide

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Cisco XR 12410 Router Installation Guide
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Chapter 4 Troubleshooting the Installation
Troubleshooting the Processor Subsystem
Troubleshooting Line Cards
When the line card is powered on, the display on the line card indicates the
following (
Figure 4-8):
• Upper row—Indicates which software component is running. At the end of a
successful boot process, this display reads IOS XR.
• Lower row—Indicates the current phase of the boot process. At the end of a
successful boot process, this display reads RUN.
Figure 4-8 Line Card Alphanumeric Display
H11344
Upper alphanumeric
LED display (four digits)
Lower alphanumeric
LED display (four digits)