Toshiba VP 300 Installation Instructions Manual page 247

7. Tighten the 18 screws on the top and bottom of the MBA and the 5 screws
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 MBA.
10. Connect the disk drive backplane power harness to the MBA.
11. Connect the maintenance port cable to the connector on the top left corner of
12. Install the power filter assembly as described in the Power Filter Assembly
13. Bolt on the bottom rear panel with four screws, and reconnect the cables as
14. Bolt on the top rear panel with four screws.
15. Verify that the power supply unit is in the OFF position. Attach the power
16. Plug the remaining boards into the cabinet.
17. Tighten the two fasteners on the front of the power supply unit.
18. Test the system for proper operation by following the procedures in the
19. Close and lock the door to the cabinet.
I Disk Drive Backplane (DDB)
The disk drive backplanes provide communication and DC power buses from the Motherboard to the
disk drive assembly. There are two DDBs, one for Shelf B and one for Shelf C.
on the MBA I/O panel.
the MBA.
section in this chapter.
they were connected on the old MBA.
cord.
If the cabinet is DC powered, reconnect the wires from the DC power
source to the PFA.
INSTALLATION chapter in this manual.
MAINTENANCE
Toshiba VP Systems Release 7.1 July, 1994
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