Troubleshooting The Cooling Subsystem - Cisco 12404 Installation And Configuration Manual

Troubleshooting the Cooling Subsystem

Troubleshooting the Cooling Subsystem
Cisco 12404 Internet Router Installation and Configuration Guide
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Table 4-7 Line Card Alphanumeric LED Display Messages (continued)
1
LED Display Indications
FABL The fabric downloader launch is complete
RUN
IOS The Cisco IOS software downloads
DNLD
IOS The Cisco IOS software launches
STRT
IOS The Cisco IOS software runs in DRAM
UP
IOS The line card is enabled and ready for use
RUN
1. The messages shown do not indicate a specific sequence.
2. Some messages appear briefly (millisecond duration); others last several seconds.
The Cisco 12404 Internet router has a fan tray assembly located on the left side
of the chassis when you are facing the front of the chassis. The fan tray assembly
assembly provides cooling air for the router components. The fan tray assembly
receives power and signals though a connector mounted on the fan tray, which
mates with a connector mounted on the backplane.
The fan tray assembly contains:
• 7 fans
2 controller cards
•
1 connector
•
In noisy environments listen for the fans. Place your hand at the left side
Note
of the chassis beside the fan tray assembly to feel for air being forced out
the exhaust vents.
Chapter 4 Troubleshooting the Installation
2
(continued)
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