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Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
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Chapter 4 Troubleshooting the Installation
Problem Solving with Subsystems
When the system is operating correctly, you should see these LED states:
•
OK—Green. When on, the green OK LED indicates normal operation.
•
FAIL—Off. When on, the red FAIL LED indicates the system has detected a
fan failure or other fault in the blower module.The red LED should remain off
during normal operation.
Alarm Card LEDs
Figure 4-4
shows the location of the LEDs on the faceplate of the alarm card.
Figure 4-4
Alarm Card LEDs
When the system is operating correctly, the following LED conditions should be
true.
LEDs that normally should be off:
•
One MBUS status LED labeled FAIL
•
Two CSC status LEDs labeled FAIL
•
Three SFC status LEDs labeled FAIL
•
Three router alarm LEDs labeled CRITICAL, MAJOR, MINOR
1
MBus status LED
4
Critical alarm LED
2
CSC status LEDs (two)
5
Major alarm LED
3
SFC status LEDs (three)
6
Minor alarm LED
MB
US
CSC
ENABLED
FAIL
ALARM
0
SFC
CRITICALMAJOR MINOR
0
1
1
2
1
4
3
2
5
6
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