F
F
o
o
r
r
t
t
r
r
e
e
s
s
s
s
7
7
7
7
0
0
0
0
/
/
7
7
9
9
0
0
0
0
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
1.3.3 Internal Structure
Hot-swap
Redundant Power
Supply
Back-plane Board
Hot-Swap Cage
(SCSI)
Expansion Card
Slots
Housing Fan
3.5-inch Drive Bay
Power Switch
Power LED
Removable Hard Disk
Drive Trays
5.25-inch Drive Bays
Hard Disk Drive LED
System Status LED
(reserved)
23
Open
A
