CHAPTER 6
Installing or Replacing Modules, Fan Trays, and
Power Supplies
This chapter includes the following topics:
• Using an ESD Wrist Strap to Prevent ESD Damage, on page 81
• Installing or Replacing a Supervisor Module, on page 82
• Migrating from Supervisor 2E Modules (N77-SUP2E) to Supervisor 3E Modules (N77-SUP3E), on page
86
• Installing or Replacing an I/O Module, on page 89
• Replacing a Fan Tray, on page 91
• Migrating from Gen 1 Fan Trays (N77-C7706-FAN) to Gen 2 Fan Trays (N77-C7706-FAN-2), on page
96
• Installing or Replacing a Fabric Module, on page 98
• Replacing Fabric 2 Modules with Fabric 3 Modules, on page 103
• Installing or Replacing a Power Supply in a Switch Chassis, on page 104
Using an ESD Wrist Strap to Prevent ESD Damage
Before you touch any switch modules, you must ground yourself to protect the modules from electrostatic
discharge (ESD). You can ground yourself by wearing an ESD wrist strap connected to a grounded chassis
or a grounded rack.
Always handle modules by their carrier edges (typically the covered bottom, sides, and front of the module)
and never touch the circuitry on the module.
Caution
Before you begin
You must have a grounding connection close to where you are installing components in the chassis.
Step 1 Attach or wrap an ESD wrist strap to your arm.
Step 2 Attach the other end of the strap to the grounded chassis in one of the following ways:
Cisco Nexus 7706 Hardware Installation Guide
81OL-31330-01
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