Cisco 7513 Replacement Instructions Manual page 12

Removing and Replacing the Card Cage and Backplane Assembly
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