IBM 9009-41A Manual page 93

Figure 60. Placing the system into the operating position
4. For a rack-mounted system, push the system unit (B) as shown in the previous figure back into the
rack until both release latches lock the system into position.
Secure the cable management arm with hook-and-loop fasteners around the back side of the cable
management arm, but not around the cables.
5. If necessary to view the identify LEDs or to manage cables at the rear of a rack-mounted system,
open the cable management arm by completing the following steps:
Note: If you are removing or replacing the system backplane, you must open the cable management
arm.
a) Release the mounting bracket from the cable management arm assembly by pressing the
indentation (A) on the inner cable management arm tab.
The cable management arm releases from the outer mounting bracket in the direction shown.
Installing, removing, and replacing PCIe adapters for the 9009-41A, 9009-42A, and 9223-42H system 79