Cisco XR 12406 Installation Manual page 221

Chapter 5 Maintaining the Router
Verifying the Installation of Alarm Cards, Clock Scheduler Cards, and Switch
Fabric Cards
Note
OL-13831-01
Removing and Installing a Clock and Scheduler Card, Switch Fabric Card, or Alarm Card
To verify proper router operation after installing a replacement CSC or SFC, you
can visually check the LEDs on the two alarm cards.
Figure 5-35 shows the location of the alarm card LEDs.
Figure 5-35 Alarm Card LEDs
FAIL
ENABLED
0 1 0
1 2
1
MBus status LED
2
CSC status LEDs (two)
3 SFC status LEDs (three)
The following LED conditions are displayed when the system is operating
properly:
Green = Enabled, amber = Fail
The following green LEDs are normally on:
•
The MBUS status LED
–
Two CSC status LEDs
–
Three SFC status LEDs
–
1 2
3 4 5 6
4
Critical alarm LED
5
Major alarm LED
6 Minor alarm LED
Cisco XR 12406 Router Installation Guide
ALARM
5-57