Step 4: Connect the power source and verify power to your Outposts server
To complete power up, you attach the NSK, connect the server to a power source, and verify that the server has powered on. Consider the following information about powering the server:
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      The server functions with one power source, but AWS recommends you use two power sources for redundancy. 
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      Connect the power cables before you connect the network cables. 
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      Use the pair of C13 outlet/C14 inlet power cables to connect the server to a power supply on the rack. If you're not using the C14 inlet power cable to connect the server to a power supply on the rack, you must provide adapters for the C14 inlets that connect to a power source.