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4-4
Cisco Nexus 6000 Series Hardware Installation Guide
OL-15902-01
Chapter4 Replacing Compo nents
Replacing or Installing Power Supplies
Replacing or Installing Power Supplies
The Cisco Nexus 6000 series support six power supplies, but may be used with three power supplies.
You must fill the unused power supply slots with a blank modules to maintain the designed airflow.
If you need to replace an existing power supply, follow the procedures that explain how to remove and
install power supplies. If you are installing a new power supply where one did not exist before, follow
the installation procedure.
Note The airflow direction must be the same for all power suply and fan modules in the chassis. You can order
all modules with front to back airflow but you can alternatively order back to front airflow
This section includes the following topics:
•Removing a Power Supply, page 4-4
•Installing a Power Supply, page4-4
•Wiring a DC Power Connector, page 4-5
Note You can replace a faulty power supply while the system is operating if the other power supply is
functioning.

Removing a Power Supply

Caution If you are using a Cisco Nexus 6000 Platform removing the power supply causes the switch to shut do wn.
If you are using two power supplies and you remove one of them, the switch can continue to operate.
To remove an AC or DC power supply, follow these steps:
Step 1 Ensure that the system (earth) ground connection has been made. For ground connection instructions,
see the “Grounding the Switch” section on page 2-7.
Step 2 Remove the AC power cord or DC wiring connector.
Step 3 Grasp the power supply handle with your left hand.
Step 4 Push against the release latch with your left thumb,and slide the po wer supply part way out of the chassis.
Step 5 Place your other hand under the power supply to support its weight, and then completely remove the
module from the slot.
Step 6 If the power supply bay is to remain empty, install a blank power supply filler panel.If you are replacing
the power supply, see Installing a Power Supply, page 4-4

Installing a Power Supply

To install a power supply in a Cisco Nexus 6000 Platform chassis, follow these steps: