Filter
Top Products
Chapter 20 Backplane Replacement 20-7
Perform the following operations from the rear of the unit (See FIGURE 20-4):
a. Remove the grounding wire on one side at the top of the rear door so that the
door can be opened at least 180 degrees.
b. Remove all FAN units on the I/O unit. (See Chapter 8) Mount the fixing brackets
of the FAN unit at their original locations, and secure them temporarily.
c. Using a Phillips screwdriver, loosen the two thumb screws securing the duct on
the fan shelf. While grasping the handle, remove the duct.
d. Using a Phillips screwdriver, loosen the four thumb screws on the left and right
sides of the fan shelf.
e. While grasping the handle of the fan shelf, pull it out partially. Move your hands
to the indentations on the both sides of the fan shelf, and then pull out the fan
shelf carefully from the cabinet.
f. Remove all mounted I/O units (IOUs) including filler panels. (See Chapter 7)
g. Using a Phillips screwdriver, loosen the two knob screws on both sides of the IOU
shelf and the two screws on the innermost part of the shelf.
h. While grasping the frame of the IOU shelf, carefully pull out the IOU shelf
partially, then switch to grasping the shelf by the indentations on its side, and
remove it from the cabinet.
i. Using a Phillips screwdriver, loosen the two retaining screws of the L-shaped box
on the left side in the cabinet to remove the box.
j. Using a Phillips screwdriver, loosen the retaining screws on the left and right sides
to remove the horizontal IOU-fan connector panel on the far side in the cabinet.
Disconnect the cables as well. Also remove the connector on the right side.
For M9000 server (See
FIGURE 20-7):
Perform the following operations from the rear of the unit:
a. Pull all mounted CMUs off the BP. (See Chapter 6)
b. Pull all mounted I/O units (IOUs) off the BP. (See Chapter 7)
Perform the following operations from the front of the unit (See
FIGURE 20-5):
a. Remove all mounted crossbar units (XBUs).
For a model with the expansion cabinet, remove all cables and cable support brackets
as well. Disconnect the cables completely from both cabinets. (See Chapter 17)