Cisco Catalyst 9600 Series Hardware Installation Manual page 89

Installing a Power Supply Unit
Figure 45: Attaching the Cable to the Power Source
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Note
Step 5 Verify that the power supply is receiving power by checking that the LED is on and is green.
When you first activate the power supply, you can verify the functionality of the LED by checking that LED
turns on for a couple of seconds. If the LED is flashing amber or green, check the power connections on the
power supply and the power source.
Positive terminal
If you are using combined power mode or power supply redundancy mode, connect all the power
supplies in the chassis to the same power source. If you are using input source redundancy mode
or full redundancy mode, connect half the power supplies to one DC power source and the other
half of the power supplies to another DC power source.
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Cisco Catalyst 9600 Series Switches Hardware Installation Guide
Connecting to a DC Power Source
Negative terminal
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