Fujitsu SPARC M10-4 Service Manual page 439

27.6.3 Inactive/Cold maintenance
Connect all the power cords to the PSU backplane unit or power supply unit
of the chassis requiring maintenance.
Note -
Return to the operation of the XSCF firmware replacefru command to confirm
that SPARC M10-4S has been incorporated into the system.
Power on the physical partition requiring maintenance.
Close the rack door.
27.6.4 System-stopped maintenance
Connect all the power cords to the PSU backplane unit or power supply unit
of the chassis requiring maintenance.
Note -
Return to the replacefru command operation of the XSCF firmware to confirm
that SPARC M10-4S requiring maintenance has been incorporated into the
system.
Power on all the physical partitions.
Close the rack door.
Chapter 27 Maintaining the XSCF DUAL Control Cables 415