v Two dc power supply and fan units (machine type 1746 models C4T and E4T).
Disk drives and bezels
An in-depth look at how disk drives and bezels are set up in the DS3500 storage
subsystem.
The hot-swap drive bays that are accessible from the front of the DS3512 storage
subsystem and EXP3512 storage enclosure are shown in Figure 2. The hot-swap
drive bays that are accessible from the front of the DS3524 storage subsystem and
EXP3524 storage enclosure are shown in Figure 3.
Hot-swap drive
You can install up to 12 hot-swap SAS or NL SAS drives in the DS3512
storage subsystem and EXP3512 storage enclosure. You can install up to 24
hot-swap SAS or NL SAS drives in the DS3524 storage subsystem and
EXP3524 storage enclosure.
Filler panel
The DS3500 storage enclosure and EXP3500 storage enclosure have filler
panels in the empty drive bays. Before you install a disk drive, remove the
filler panel and save it for future use. Each of the drive bays must contain
either a filler panel or a drive.
Left-side bezel
The left-side bezel contains the LEDs, as shown in the following
illustration. For a description of the LEDs, see “Front LEDs” on page 89.
Hot-swap hard disk drive
Filler panel
Bezels
Figure 2. DS3512 storage subsystem and EXP3512 storage enclosure hot-swap drive bays
and bezels
Figure 3. DS3524 storage subsystem and EXP3524 storage enclosure hot-swap drive bays
and bezels
10 IBM System Storage DS3500 and EXP3500 Storage Subsystem: Installation, User's, and Maintenance Guide
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