AC power supply unit LEDs and connectors
Both SFF and LFF drive trays are equipped with AC power supply units. The AC power
supply units include LEDs to display its operating status.
Number Item Description
1 RDY LED Green: Normal operation.
2 ACI IN LED Green: AC input is
operating normally.
3 ALM LED Red: Power supply unit can
be replaced.
Flash module drive tray (DBF)
The following describes the physical specications of the ash module drive tray.
Name Model name Height
Number of
drive slots Drive type
DBF DW-F800-DBF 2U (87 mm) 12 Flash module
drive (FMD)
FMD with front panel bezel
AC power supply unit LEDs and connectors
Chapter 3: Drive trays
Hitachi Virtual Storage Platform G900 Hardware Reference Guide 37