DS8000 Service Documentation Version 7.5
Rack power and cooling - Models 941, 94E
About this task
Exchange the battery module enclosure
Exchange the battery module enclosure fan
Exchange the battery module set
Exchange the bus bar, 208VDC primary
Exchange the bus bar, 208VDC secondary
Exchange the bus bar, 5/12V primary
Exchange the bus bar, 5/12V secondary lower
Exchange the bus bar, 5/12V secondary upper
Exchange the DASD fan tray assembly
Exchange the fan sense card
Exchange the local remote or zSeries local remote switch card
Exchange the PPS booster power module
Exchange the PPS 5/12V DDM power module
Exchange the PPS fan
Exchange the PPS (primary power supply)
Exchange the PPS sequencer module
Exchange the rack identity card
Exchange the rack operator panel LED assembly
Exchange the rack power control (RPC) card
MAP2180 UEPO switch replacement (Models 94x, 95x, 96x)
The UEPO switch can be replaced while the
storage facility
is operational, even when one side of the switch or the wires that connect that side to a primary power supply are defective.
Unused FRU