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 85
• Installing or Replacing a Supervisor Module, on page 87
• Migrating from Supervisor 2E Modules (N77-SUP2E) to Supervisor 3E Modules (N77-SUP3E), on page
90
• Nondisruptive Migration from Supervisor 2E Modules (N77-SUP2E) to Supervisor 3E Modules
(N77-SUP3E), on page 93
• Installing or Replacing an I/O Module, on page 114
• Replacing a Fan Tray, on page 116
• Migrating from Gen 1 Fan Trays (N77-C7710-FAN) to Gen 2 Fan Trays (N77-C7710-FAN-2), on page
120
• Installing or Replacing a Fabric Module, on page 122
• Replacing Fabric 2 Modules with Fabric 3 Modules, on page 128
• Installing or Replacing a Power Supply in a Switch Chassis, on page 130
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.
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
85OL-30452-01.
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