IBM 9040-MR9 Manual page 26

Figure 9. Placing the system into the operating position
4. Using your labels, reconnect all of the external cables that plug into the PCIe adapters.
5. Using your labels, reconnect the power cords (A) to the system unit as shown in the following figure.
Fasten the power cords to the system by using the hook-and-loop fasteners (B) as shown in the
following figure.
12 Power Systems: Vital product data card for the 9040-MR9