FUJITSU SPARC ENTERPRISE M8000 User Manual

Page 381

Chapter 20

Backplane Replacement

20-25

2. Change the mode switch setting on the operator panel from Locked to Service.

Caution –

When the maintenance work is completed, be sure to confirm the mode

switch setting and return the switch to Locked.

3. Stop (turn off power) all domains together. Take either of the following two

actions:

■

Press and hold the POWER switch on the operator panel for at least four
seconds.

■

From a console that is connected to XSCF, log in to XSCF, and execute the
poweroff -a

command.

The OS shutdown processing is executed for all the domains, and then the power-
off processing is executed.

4. Confirm that the power-off processing is completed by confirming that the

POWER LED (green) on the operator panel is off.

5. Switch off all main line switches for the AC section (ACS) in the power supply

system.

For details, see

Note –

If the optional three-phase 200 VAC input power supply unit is installed, the

main line switches are located on the three-phase ACS.

Caution –

If the dual power feed option is installed, switch off the main line

switches for both power supply units.

Caution –

After stopping all the domains, be sure to switch off the main line

switches in the power supply system to completely shut off the supply of power.

6. Connect the wrist strap clip to a cabinet grounding port, and attach the band of

the wrist strap to one of your wrists.

7. 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

For FANBP_C#0, perform the following operations from the front of the unit: