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EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual
Figure 1-13: Closing the Front Handles
1.2.2 Drive Trays
The subsystems come with 12 or 8 drive trays (see Figure 1-14) designed to
accommodate separately purchased standard 1-inch pitch, 3.5-inch disk drives. The
drive bays are accessed from the enclosure front. Two LED’s on the front of the tray
are used to indicate the drive status. A key-lock on each drive tray secures the hard
drive in place, while an easily accessible release button ensures fast and efficient
drive hot-swapping.
Figure 1-14: Drive Tray Front View
PN: IFT-9273CDTray – Drive Tray Module
WARNING!
Be careful not to warp, twist, or contort the drive tray in any way (e.g., by dropping it
or resting heavy objects on it). The drive tray has been customized to fit into the drive
bays in the subsystem. If the drive bay superstructure is deformed or altered, the drive
trays may not fit into the drive bay.
1.2.3 The RAID Controller Module
12-bay A12U-G2421 Æ PN: IFT-82AU24GD12-M2 (w/ 256MB DDR DIMM)
12-bay A12U-G2421 Æ PN: IFT-82AU24GD12 (w/o DDR DIMM)
8-bay A08U-G2421 -Æ PN: IFT-82AU24GD08-M2 (w/ 256MB DDR DIMM)
8-bay A08U-G2421 -Æ PN: IFT-82AU24GD08 (w/o DDR DIMM)
The RAID controller module contains a main circuit board, a preinstalled 256MB
capacity or above DDR RAM DIMM module, and the necessary support interfaces.
Subsystem Components
1-8