Chapter 4 Installing and Removing Line Cards, PLIMs, and Associated Components
How to Install or Remove a Pillow Block
Steps
To remove an impedance carrier, follow these steps:
Step 1 Attach the
Step 2 Identify the impedance carrier to be removed from the card cage.
Step 3 To loosen the impedance carrier from the slot, turn the two captive screws on the front panel of the card counterclockwise.
Step 4 Grasp the impedance carrier handle with one hand and gently pull it halfway from the slot. Step 5 Place one hand under the impedance carrier to guide it.
Step 6 Holding the impedance carrier underneath and by the handle, pull it from the slot and set it carefully aside.
What to Do Next
After performing this task, store the impedance carrier for future use. You may now install a card in the uncovered slot. See the “Installing an MSC, FP, or LSP” section on page
How to Install or Remove a Pillow Block
This section contains the following procedures:
•Installing a Pillow Block, page
•Removing a Pillow Block, page
Installing a Pillow Block
This section describes how to install a replacement pillow block on the chassis after removing a damaged pillow block. A pillow block is a bracket with a pin that is attached to the chassis above and below each card slot. When you install or remove a card from the chassis, the card ejector levers hook into the pillow blocks above and below the card slot to secure the cards to the slot and allow you to install and remove the cards.
Prerequisites
Before performing this task, you must first open the front cosmetic doors (if installed). Have the pillow block replacement kit (Cisco product number:
Cisco CRS Carrier Routing System
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