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9-56 Installation and Maintenance Volume
Octel 200/300 S.4.1 PB60019−01
6. Push only PCAs in slots A1 and A14 and the power supply assembly into the connectors on the
motherboard.
7. Tighten the screws at the top and bottom of the motherboard and the five screws on the motherboard
I/O panel.
8. Plug the fan tray harness into the top disk drive backplane.
9. Connect the two flat cables from the top disk drive backplane to the motherboard.
10. Connect the disk drive backplane power harness to the motherboard.
11. Connect the maintenance port cable to the connector at the top left corner of the motherboard.
12. Install the Power Filter Assembly as described in the Octel 300 Power Filter Assembly Replacement
section in this chapter.
13. Fasten the bottom rear panel with four screws, and reconnect the cables as they were connected on
the old motherboard.
14. Fasten the top rear panel with four screws.
15. Verify that the PSU is OFF. Attach the power cord.
If the cabinet is DC powered, reconnect the wires from the DC power source to the Power Filter
Assembly. Refer to Figure 9-23.
16. Plug the remaining boards into the motherboard.
17. Tighten the two captive screws on the front of the PSU.
18. Test the message server for correct operation by following the procedures in the Installation chapter
in this volume.
19. Close and lock the door to the cabinet.