Install a Power Distribution Board

1. If you are installing a new PDB to replace a faulty PDB, reattach the bus bar assembly to the new PDB by replacing the four screws that connect them to each other.
2. Lower the PDB/bus bar assembly into the chassis as shown in panel 1 of Installing a PDB Assembly.

   The PDB fits over a series of mushroom-shaped standoffs on the floor of the chassis.

3. Slide the PDB/bus bar assembly toward the connector board, until it plugs into the connector board as shown in panel 1 of Installing a PDB Assembly.
4. Using a No. 2 Phillips screwdriver, install the screw that secures the PDB to the chassis and connect the top cover interlock cable to the PDB as shown in panel 2 of Installing a PDB Assembly.
   

   Figure 39 Installing a PDB Assembly

   
5. Replace all power supplies.

   Slide each power supply into its bay until it locks into place. Refer to Install a Power Supply.

6. Reinstall the motherboard assembly.

   Refer to Install the Motherboard Assembly.

7. Reconnect AC power cords to the power supplies. Make sure to use the power cord retaining clips to keep power cords secure.

   Refer to Install AC Power Cord Retention Clips.

8. Replace the top chassis cover.

   Refer to Replace the Top Chassis Cover.

9. Return the system to the installed position.

   Refer to Return the System to the Fully Installed Position.

10. Reconnect any cables that were disconnected before the motherboard was removed.
11. Restore power to the system.

    Refer to Power On the System.

12. If you installed a new PDB to replace a faulty PDB, program the new PDB with the chassis serial number.

    Refer to Obtaining the Chassis Serial Number.