FUJITSU PRIMERGY BX600 S2 - Manual (Page 140)

140 PRIMERGY BX600 S2 Basic Unit
Power Supply Units Power Supply Concept
©
c
o
g n it
as
. Ge
s e
lls
c h ft
f ü r T
e c
h n ik
-Do
k u
m
e nt
at
io
n m
b H
2
007
P
fad:
H:
\w
in
dows
\_p
roj
e k te\
B
x z \B
e tr
ie
b
s a n le
it un
g\
V e
rs
ion_
M
a e
rz
-2
007
\A
rc
h iv
\B
X
6
0 0 S
2
_ en\
bl
ad
e-u
s .k
1 5
Phase redundancy is possible in regions, where a single phase provides
200 - 240V; in other regions with lower single phase voltage, two phases
must be coupled and complete phase redundancy thus is not possible.
The unoccupied PSU slots are fitted with dummy modules to ensure that the
electromagnetic emission properties of the system are observed and that the
system components are properly cooled.
14.1 Power Supply Units
The power supply units (PSU) are directly accessible at the rear of the system
(
figure 88 on page 139 ):
The power supply unit can communicate with the system service processor via
an internal management interface (IIC bus). The PSU part number, FRU data,
barcode number, manufacturer ID, and fault data are stored in a VPD EEPROM
module and can be recalled via the IIC bus. The PSU status can be displayed
in the server management software
ServerView .
Each power supply unit has a large fan on the front (A) and two smaller fans on
the rear (B) that provide air cooling for the system (see
figure 89 below).
Figure 89: PSU: Fans
front rear
A
B B