Chapter 1
Cisco 12010, Cisco 12410, and Cisco 12810 Series Router Overview
Blower Module
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The blower module contains three variable speed fans and a controller card. The
two front cover LEDs provide a visual indication of blower module status
(Figure
1-19):
Figure 1-19 Blower Module
LEDs
OK (green)—All three fans are operating normally.
•
FAIL (red)—The system has detected a fan failure or other fault in the blower
•
module. The fault can be caused by any of the following:
One or more fans are not operating
–
One or more fans are running below speed
–
A controller card fault
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Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
Line Card and Route Processor Overview
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