156
Upgrade and Maintenance Manual
BX920
S4
Expansion cards and backup units
©
c
o
gn
ita
s.
G
e
se
lls
ch
ft fü
r T
ech
n
ik
-D
o
ku
m
en
ta
tio
n
m
b
H
2
0
14
Pf
a
d:
C
:\P
ro
g
ra
m
m
e
\F
C
T
\ti
m
_a
pp
\ti
m
_l
oca
l\w
or
k\PI
C
H
O
L\
O
B
J_
D
O
KU
-1
9
87
0-
00
1.
fm
7.2.6.3
Removing the FBU
Figure 50: Connecting the FBU
Ê
Disconnect the FBU from the SAS RAID HDD module (see circle).
Figure 51: Installing the FBU
Ê
Unclasp the plastic bracket (1) and remove the FBU (2).
