Cisco 12012 User Manual download pdf (Page 12)

12 Cisco 12012 Gigabit Switch Router Card Cage Assembly Replacement Instructions

Removing and Replacing a Card Cage Assembly

Removing the Cards From the Upper Card Cage

This section provides the procedures for removing the line cards, RP, and alarm card from the upper

card cage.

Note You must remove any blank cards installed in the upper card cage and retain them for use in

the replacement card cage. Blank cards must be installed in slots without cards to maintain proper

air flow and for EMI considerations.

Removing a Line Card From the Upper Card Cage

Perform the following steps to remove a line card from the upper card cage:

Step 1 Attach an ESD wrist strap to your wrist and to one of the two ESD connection sockets

located on the front edges of the upper card cage or to bare metal on the frame.

Step 2 Proceeding from left to right, identify each line card and write down the following

information:

• The line card’s slot number. When you install the line cards in the replacement card

cage assembly, install them in the same card slots.

• The interface cable connections to the line card ports. You will reconnect the interface

cables to the same line card ports.

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Cisco 12012 User Manual Page 12