Nvidia Mellanox ConnectX-6 MCX654106A-ECAT User Manual page 34

Step 6: Plug the Cabline CA-II Plus harnesses on the PCIe Auxiliary Card. As indicated on
both sides of the Auxiliary connection card; plug the black harness to the component side and
the white harness to the print side.
Step 7: Verify the plugs are locked.
Step 8: Slide the retention clip through the cutouts on the PCB. Make sure latches are facing
"Black Cable" annotation as seen in the below picture.
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