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Installing or Replacing Modules, Fan Trays, and
Power Supplies
This chapter includes the following topics:
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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.
Caution
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.
Before You Begin
You must have a grounding connection close to where you are installing components in the chassis.
Procedure
Step 1
Attach or wrap an ESD wrist strap to your arm.
OL-30453-01
Using an ESD Wrist Strap to Prevent ESD Damage, page 103
Installing or Replacing a Supervisor Module, page 105
Installing or Replacing an I/O Module, page 108
Replacing a Fan Tray, page 110
Migrating from Gen 1 Fan Trays (N77-C7718-FAN) to Gen 2 Fan Trays (N77-C7718-FAN-2), page
117
Installing or Replacing a Fabric Module, page 118
Installing or Replacing a Power Supply in a Switch Chassis, page 124
C H A P T E R
Cisco Nexus 7718 Switch Site Preparation and Hardware Installation Guide
6
103
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