Cisco Nexus 7718 Hardware Installation Manual page 142

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Connecting a 3.5-kW HVAC/HVDC Power Supply to DC Power Sources
Statement 1018
Warning
250V, 20 A
Statement 1005
Step 4
Turn the power supply switch from standby to on (from 0 to 1 as labeled on the power switch).
Step 5
Verify that the power supply is receiving DC power by making sure that the INPUT and OUTPUT power
supply LEDs are lit and the FAULT LED is not lit or flashing. For an explanation of all the power supply
LEDs and the conditions that they indicate, see
Note
If the Fault LED is flashing red, turn the power switch to standby (labeled as 0), check the HVAC/HVDC
power connections on the power supply and the DC power source, and then turn the power switch back on
(labeled as 1). The Input and Output LEDs for the connected power supplies should be green and the Fault
LED should be off.
Cisco Nexus 7718 Switch Site Preparation and Hardware Installation Guide
132
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure
that the protective device is rated not greater than:
When you first activate the power supply, you can verify the functionality of the LEDs by checking
that each LED turns on for a couple of seconds.
Installing or Replacing Modules, Fan Trays, and Power Supplies
Power Supply LEDs
OL-30453-01

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