Note- Place the rem oved powers upply unit on a grounded antistatic ESD mat.
Note- Do n ot forcibly push the power supply unit into its slot. Using excessive force may
damagethe component or the chassis.
Note- See the procedure for system-stopped maintenance for inactive/cold maintenance in a
single-chassisco nfiguration.
10.5 Installing a Power Supply Unit
Thissectio n describes the procedure for installing a power supply unit.

10.5.1 Installing a power supply unit

1. Support the power supply unit from below with one hand and insert it
carefully into its slot.
2. Firmlypush the power supply unit into its mounting position.
3. Close the lever and then tighten the screws.
4. Connectthe power cords to the power supply unit.

10.5.2 Restoring the chassis

1. Connectthe power cords to the PSU backplane unit of the chassis requiring
maintenance.
2. Confirmthat theLED (green) on the power supply unit is blinking.
3. Install thef rontco ver.
For details, see "6.5.3 Installing the front cover."
10.6 Restoring the System
Thissectio n describes the procedure for restoring the system after installing a power
supply unit. The restoration procedure differs depending on the maintenance type as
follows:
FujitsuM10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual ･December 2013200