Chapter 5 Maintaining the Router
Removing and Installing a Clock and Scheduler Card, Switch Fabric Card, or Alarm Card
Step 2 Grasp the handle on the front of the alarm card and slide the alarm card halfway out of the slot, then stop.
Step 3 Touching only the metal card carrier, use your free hand to support the bottom of the alarm card and slide the card completely out of the chassis.
•Always place the alarm card directly into an antistatic bag or other
•If you plan to return the defective alarm card to the factory, repackage it in the shipping container you received with the replacement card.
Step 4 Set both edges of the alarm card carrier into the card slot carrier alignment grooves on either side of the alarm card slot and slide the card into the chassis until its connector makes contact with the backplane, then stop.
Step 5 Push the alarm card firmly to seat it in the backplane.
Step 6 Tighten the two alarm card captive screws.
Caution Do not overtighten the captive screws; over tightening can strip the threads on the screw or in the insert in the alarm card faceplate.
Verifying the Installation of the Alarm Card
To verify router operation after installing a replacement alarm card, see the “Verifying the Installation of Alarm Cards, Clock Scheduler Cards, and Switch Fabric Cards” section on page
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