IBM Power Systems RDX Manual page 58

Figure 37. Replacing the internal RDX docking station in a stand-alone system
7. Connect the internal RDX docking station USB cable (B) to the rear of the new internal RDX docking
station. Connect the internal RDX docking station power cable (A) to the rear of the new internal RDX
docking station as shown in Figure 38 on page 45.
If you reconnect the RDX power cable to the disk drive backplane, ensure that the latch (C) on the RDX
power cable is oriented upwards for a rack-mounted system; and to the outside for a stand-alone
system.
44 Power Systems: RDX docking stations, power cable, and removable disk drives for the 9009-41A, 9009-42A,
or 9223-42H