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Replacing a CPU Module
Warning
Statement 1034—Backplane Voltage
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when
servicing.
Before you begin
• Wear an electrostatic discharge (ESD) wrist strap or other ESD protective device while handling the
• Prepare an antistatic surface or packing materials for the module that you remove from the chassis.
Step 1
Open the packaging for the new CPU module and inspect the module for damage.
If the module is damaged, contact the Technical Assistance Center (TAC).
Step 2
To remove the module follow these steps:
a) Loosen the thumb screws that attach the fans to the chassis and remove two of the fan modules as shown in the
following figure.
b) Remove the screws (2) that attach the fan divider to the chassis and remove the fan divider as shown in the following
figure.
c) Carefully remove the CPU module as shown in the following figure.
Figure 10: CPU Module Replacement
Cisco Nexus 3400-S Hardware Installation Guide
32
module.
Replacing Modules
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