User's Manual
Mobile WiMAX Outdoor RAS SPI-2210 System Description/Ed.05
© SAMSUNG Electronics Co., Ltd. 3-11
The PDP-PO is duplicated to supply -48 VDC to the MBB-P via two paths. Each path is
divided into two input power sources, and the power which consists of ORing is supplied
to the boards of the DMB from the input power sources.
The figure below shows the power layout indicating the type of the powers supplied to the
PDP-PO from the cabinet input power source and their connection points:
Figure 3.5 Power Structure
Filter
A
U
X
-
2
A
I
C
U
R
E
S
E
R
V
E
D
A
U
X
-
0
A
U
X
-
1
F
A
N
-
P
O
D
R
S
V
M
R
A
-
S
8
R
S
V
R
S
V
M
R
A
-
S
R
M
M
A
-
S
(A)
M
E
I
M
R
A
-
S
7
A
B
MBB-P
PDP-PO
M
R
U
-
2
#
0
H
E
A
T
E
R
A
C
-
R
S
V
D
UCM
AC
FILTER
Filter Filter Filter Filter
Rectifier
A
C Box
F
A
N
-
P
O
D
F
A
N
-
P
O
D
F
A
N
-
P
O
D
M
R
U
-
2
#
1
M
R
U
-
2
#
2
M
R
U
-
2
#
3
M
R
U
-
2
#
4
M
R
U
-
2
#
5
M
R
U
-
2
#
6
M
R
U
-
2
#
7
M
R
U
-
2
#
8
Outdoor SPI-2210
M
R
A
-
S
6
M
R
A
-
S
5
M
R
A
-
S
4
M
R
A
-
S
3
M
R
A
-
S
2
M
R
A
-
S
1
M
R
A
-
S
0
M
M
A
-
S
(A)