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Removing and Replacing the Card Cage and Backplane Assembly

The card cage and backplane consist of one assembly that can be removed and replaced as required.

There are no wires, harnesses, or connectors. The assembly slides into and out of the chassis and

attaches to the chassis frame with four slotted, captive screws. (See Figure 9.)

For this procedure, you will need one large ﬂat-blade screwdriver, an antistatic bag for each removed

processor module, or several antistatic mats or pieces of antistatic foam.

Timesaver

processor modules and both power supplies. Plan this procedure so that you can minimize its effects

on your system.

Following is the procedure to replace the card cage and backplane assembly:

Step 1

Step 2

Step 3

Step 4

Step 5

Caution

toward you when you pull out the card cage and backplane assembly. To prevent injury, have a

second person hold the chassis in place while you pull the card cage and backplane assembly from

the chassis in the following step.

Step 6

Step 7

Caution

card cage and backplane assembly is removed from the chassis. To prevent damaging these

components, place the card cage and backplane assembly on an antistatic mat or foam, and place the

assembly in the same orientation as when it is mounted in the chassis. (See Figure 9.)

12 Cisco 7513 Card Cage and Backplane Assembly Replacement Instructions

Before you can remove the card cage and backplane assembly, you must remove all

Turn the power switch on each power supply to the OFF position (O).

Disconnect the power supplies.

For DC-input power supplies, refer to the conﬁguration note "1200-Watt DC-Input Power

Supply Replacement Instructions" (Document Number 78-1899-01) that shipped with the

Cisco 7513 chassis equipped with DC-input power supplies.

For AC-input power supplies, refer to the conﬁguration note "1200-Watt AC-Input Power

Supply Replacement Instructions" (Document Number 78-1900-01) that shipped with the

Cisco 7513 chassis equipped with AC-input power supplies.

Using the directions in the appropriate conﬁguration note, remove each power supply and

set it aside. (Refer to the section "Removing a Power Supply" on page 9.)

Remove all processor modules from the chassis and carefully store them in antistatic bags

or on an antistatic mat. (Refer to the section "Removing Processor Modules" on page 5.)

Do not stack the processor modules one on top of another.

With the processor modules and power supplies removed, loosen the four large captive

screws located to the left and right of the card cage opening. (See Figure 9.)

Unless the chassis is mounted in a rack, or otherwise anchored, the chassis might move

With the captive screws loosened, carefully pull the card cage and backplane assembly

straight out of the chassis until the entire assembly is clear of the chassis sides. (See

Figure 9.) The assembly is not heavy, but might be awkward to handle.

When the card cage and backplane assembly is completely free of the chassis, carefully

place it on an antistatic mat or foam.

The electronic components on the rear of the backplane are completely exposed when the