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Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
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Chapter 6 Maintaining the Router
Removing and Installing a Clock and Scheduler Card, Switch Fabric Card, or Alarm Card
Caution Alarm card captive screws must be tightened to ensure EMC compliance. Do not
overtighten the captive screws; you might strip the threads on the screw or in the
insert in the alarm card faceplate.
Step 6 Tighten the two captive screws to secure the alarm card in the chassis.
Verifying the Installation of the Alarm Card
To verify router operation after installing a replacement alarm card, see the
“Verifying the Installation of the Clock and Scheduler Card” section on
page 6-60. The description of the LEDs applies equally to checking alarm card
operation.