Chapter 3 Installing the Router
Power On the Router
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Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03
Note In a noisy environment, the blowers might be difficult to hear; in that case, place
your hand in front of the exhaust vents at the rear of the chassis to verify that the
blowers are operating.
Figure 3-21 Alarm Card LEDs On/Off Conditions
Step 5
Visually check the LEDs on the two alarm cards. (See Figure 3-21.) 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
LEDs that normally should be on:
• One MBUS status LED labeled ENABLED
• Two CSC status LEDs labeled ENABLED
• Three SFC status LEDs labeled ENABLED
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
MBUS
CSC
ENABLED
FAIL
ALARM
0
SFC
CRITICAL
MAJOR
MINOR
01 1 2
1 432 5 6
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