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Chapter 20 Backplane Replacement 20-27
6. Connect the clip of the antistatic wrist strap and of the antistatic mat to the
server grounding port. See Section 1.4, “Antistatic Precautions” on page 1-6.
7. Ensure that the metallic underside of the wrist strap is in direct contact with
your skin. The wrist strap should be snug around the wrist so that it does not
rotate. See Section 1.4, “Antistatic Precautions” on page 1-6.
Caution – Before handling FRUs, be sure to connect the clip of the antistatic wrist
strap and of the antistatic mat to the server grounding port, and attach the band of
the wrist strap to one of your wrists. Place the FRUs on the grounded antistatic mat.
Failure to take these antistatic measures might result in serious damage.
8. Release the following components from the FAN backplane (FANBP) to be
replaced or remove them completely from the cabinet so that you can access the
FANBP. The FANBP is mounted at the rear of the fan shelf.
■ M8000 (See FIGURE 20-11):
For FANBP_C#0, perform the following operations from the front of the unit:
a. Remove all six FAN units. (See Chapter 8) After the FAN units are removed,
return the fan fixing brackets at their original locations, and secure them
temporarily.
b. Using a Phillips screwdriver, loosen the thumb screws on the left and right
sides of the fan shelf.
c. While grasping the handle at the lower center of the fan shelf, pull out the
fan shelf carefully.
For FANBP_C #1, perform the following operations from the rear of the unit:
a. Remove all six FAN units. (See Chapter 8) After the FAN units are removed,
mount the fan fixing brackets at their original locations, and secure them
temporarily.
b. Using a Phillips screwdriver, loosen the two thumb screws on each the left
and right sides of the fan shelf.
c. While grasping the handles on the left and right sides of the fan shelf, pull
out the shelf carefully.
■ M9000 (See FIGURE 20-12):
For FANBP_A, perform the following operations from the front and rear of the
unit:
a. Pull the four FAN units at the front off the BP. (See Chapter 8)
b. Go to the rear of the unit.