Router Installation Guide

5-57

Cisco XR 12406 Router Installation Guide

OL-13831-01

Chapter 5 Maintaining the Router

Removing and Installing a Clock and Scheduler Card, Switch Fabric Card, or Alarm Card

Verifying the Installation of Alarm Cards, Clock Scheduler Cards, and Switch

Fabric Cards

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

The following LED conditions are displayed when the system is operating

properly:

Note Green = Enabled, amber = Fail

• The following green LEDs are normally on:

–

The MBUS status LED

–

Two CSC status LEDs

–

Three SFC status LEDs

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

SFC

CRITICAL

MAJOR

MINOR

01 1 2

1 432 5 6

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