Figure 48. Installing the front adapter assemblya. Insert the front adapter assembly into the front chassis.b. Install the screws to secure the front adapter assembly in place.Step 8. Connect the cables to the system board assembly and the rear OCP interposer card. See Chapter6 “Internal cable routing” on page 281.Step 9. Install the system fan cage. See “Install the system fan cage” on page 270.Step 10. Install system fans. See “Install a system fan” on page 266.Step 11. Install the riser 1 assembly if you have removed it. See “Install a rear riser assembly” on page 242.After you finishComplete the parts replacement. See “Complete the parts replacement” on page 279.Front OCP module and OCP interposer card replacementSome server models support the front OCP module. The front OCP module and the front and rear OCPinterposer cards are codependent. Follow instructions in this section to remove and install the front OCPmodule and the front and rear OCP interposer cards.• “Front OCP module replacement” on page 91• “OCP interposer card replacement” on page 94Front OCP module replacementFollow instructions in this section to remove and install the front OCP module.• “Remove the front OCP module” on page 92Chapter 5. Hardware replacement procedures 91