IBM 9080-M9S Manual page 152

Figure 124. Replacing the USB cable into the system control unit
8. Using your labels, reconnect all of the PCIe cables or transceivers that you removed from the PCIe
adapters for the system node you are servicing.
9. Using your labels, reconnect the rear power cords to the system node being serviced as shown in the
following figure.
146 Power Systems: Removing and replacing parts in the 9080-M9S system