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3-17
Cisco Nexus 2000 Series Hardware Installation Guide
OL-19013-05
Chapter3 Installing a Cisco Nexus 2000 Series Fabric Extender
Removing and Installing Components
Step9 Complete the worksheets pr ovided in Appendix G, “Site Preparation and Maintenance Records” for
future reference.
Removing and Installing Components
This section describes how to remove and install components on the Cisco Nexus 2000 Series FEX.
This section includes the following topics:
•Removing and Installi ng Power Supplies, page 3-17
•Removing and Installing the Fan Tray, page3-20
•Removing the Cisco Nexus 2000 Series Fabric Extender, page3-22
Caution To prevent ESD damage, wear grounding wrist straps during these procedures and handle modules by
the carrier edges only.

Removing and Installing Power Supplies

The Cisco Nexus 2000 Series FEX supports two front-end power supplies, but you can use only one
power supply.
This section includes the following topics:
•Removing an AC Power Supply, page3-17
•Installing an AC Power Supply, page3-18
•Removing a DC Power Supply, page3-19
•Installing a DC Power Supply, page3-19
Note You can replace a faulty power supply while the system is operating if the other power supply is
functioning.

Removing an AC Power Supply

Caution If you are using the Cisco Nexus 2000 Series FEX with one power supply, removing the power supply
causes the device to s hut down. If you are us ing two power supplies and you remove one of th em, the
device continues to op erate.
To remove an AC power supply, follow these steps:
Step1 Pull the power cord out from the p ower receptacle on the power supply.
Step2 Release the power supply from the chassis as follows:
•If you are removing a power supply fr om a Cisco Nexus 2148T chassis, lo osen the captive screw
and then pull the power supply part way out of the chassis.