Note- In the case of a dual power feed, connect the power cords in their original positions by
referringto the record that you made before the start of maintenance.
3. Returnto the operation of the XSCF fi rmwarereplacefru command to confirm
thatthe power supply unit has been incorporated into the system.
For details, see "6.1 Incorporating an FRU into the System with the replacefru
Command."
4. Poweron the physical partition requiring maintenance.
Fordetails, see "6.3 Powering On the PhysicalPartition Requiring Maintenance."
5. Closethe rack door.
18.6.3 System-stopped maintenance
1. Connectall the power cords to the power supply unit of the crossbar box
requiringmaintenance.
For details, see "6.5.1 Installing the power cord."
2. Returnto the operation of the XSCF fi rmwarereplacefru command to confirm
thatthe power supply unit has been incorporated into the system.
For details, see "6.1 Incorporating an FRU into the System with the replacefru
Command."
3. Poweron all the physical partitions.
Fordetails, see "6.3 Powering On the PhysicalPartition Requiring Maintenance."
4. Closethe rack door.
Chapter18 Maintainingthe Power Supply Uni tsof the Crossbar Box 325