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 4-4shows the location of the LEDs on the faceplate of the alarm card.

Figure 4-4

Alarm Card LEDs

MBUS

CSC

 

SFC

 

CRITICALMAJOR

MINOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAIL

 

 

 

 

 

 

 

ENABLED

 

 

 

 

 

66170

0

1

0

1

2

 

 

ALARM

 

 

 

 

1

2

 

3

4

5

6

 

 

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

 

 

 

 

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

Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide

 

OL-11497-03

4-21

 

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Image 209
Cisco Systems OL-11497-03 manual Alarm Card LEDs