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16.6.1 Installing the MBU


16.6.1 Installing the MBU
Caution - Be careful not to damage the connectors when installing the MBU in the SPARC M12-1.
  1. Hold the handles on the MBU, and install the MBU in the SPARC M12-1.
    Install it from the front of the SPARC M12-1, aligning it with the mounting location.
  1. Confirm that the 10 fixing pins are inserted into the MBU, and then slide the MBU toward the rear of the SPARC M12-1.
Figure 16-12  Fixing Pins of the MBU
Figure 16-12  Fixing Pins of the MBU
  1. Tighten the five screws of the MBU.
Figure 16-13  MBU Screws
Figure 16-13  MBU Screws
  1. Connect the cables to the MBU.
    The following cables are to be installed:
    a. Three cables connecting the PSUBP to the MBU

    b. One cable connecting the PSUBP to the HDDBP
    Connect the cable to the PSUBP.

    c. Two cables connecting the HDDBP to the MBU

    d. Two cables connecting the OPNL to the MBU
Note - Reinstall the cables in their original positions by referring to the record that you made before the start of maintenance.
Figure 16-14  MBU Cables
Figure 16-14  MBU Cables
  1. Store the MBU cables in the cable guide (A in Figure 16-15).
Figure 16-15  Location of the Cable Guide
Figure 16-15  Location of the Cable Guide
  1. a. Store in the cable guide one cable (red/black) connecting the PSUBP to the HDDBP and two cables (black and black/yellow/white) connecting the OPNL to the MBU.

    b. Lock the cable guide.
    For details, see "6.1.1 Locking the Cable Guide."
  1. Install the removed memory on the new MBU.
    For details, see "16.6.2 Installing Memory."
Note - Reinstall the memory at their original locations by referring to the record that you made before the start of maintenance.
  1. Install all the PCIe risers.
    For details, see "8.4.2 Installing a PCIe Riser."
Note - Reinstall the PCIe risers at their original locations by referring to the record that you made before the start of maintenance.
  1. Install all the FANUs.
    For details, see "15.4.1 Installing a FANU."
Note - Reinstall the FANUs at their original locations by referring to the record that you made before the start of maintenance.