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Chapter 19 DDC Replacement 19-3
The procedure is as follows.
1. Unlock and open a door of the server. (See Chapter 5)
Caution – Before touching a FRU or dummy (filler) unit, see Section 1.4, “Antistatic
Precautions” on page 1-9 and be sure to wear the antistatic wrist strap. Failure to do so might
result in serious damage to operating domains.
2. Using the maintenance menu, select the DDC to be replaced. (Use the maintenance
menu for Step 8)
The fieldeng permission is required for executing this command.
a. Log in to the XSCF from the terminal connected to the XSCF, and execute the
replacefru command.
The initial page of the maintenance menu is displayed as shown in
FIGURE 19-2.
FIGURE 19-2 Initial Page of the Maintenance Menu
Note – DDC_A is displayed only for the M8000 server.
b. Select "5. DDC" from the replacement parts list in the maintenance menu.
c. From here, perform operations according to the guidance displayed in the
maintenance menu.
Check the states of LEDs (POWER LED: off; CHECK LED: blinking) on the DDC to
be replaced, and begin the actual replacement work when a message instructing the
user to replace the target DDC is displayed. Leave the maintenance menu as is until
Step 7.
3. 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 1-9)
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Maintenance/Replacement Menu
Please select a type of FRU to be replaced.
1. CMU/IOU(CPU Memory Board Unit/IO Unit)
2. FAN(Fan Unit)
3. PSU(Power Supply Unit)
4. XSCFU(Extended System Control Facility Unit)
5. DDC_A(DDC for BP_A)
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