Oracle Exadata Storage Server X7-2 EF Service Manual page 139

Remove the Disk Backplane
Press the green button on the connector while gently pulling the connector from the disk
backplane. Note the cable connections in order to ease proper reconnection of the cables.
c. Disconnect the temperature sensor cable from the disk backplane [2].
d. Disconnect the auxiliary signal cable from the disk backplane [2].
Servicing the Disk Backplane 139