User's Manual

Mobile WiMAX RAS SPI-2213 System Description/Ed.02
© SAMSUNG Electronics Co., Ltd. 3-13
The following power diagram shows DU input power that is supplied to DPM-FI and
connection points to each board.
Figure 3.7 Power Structure of SPI-2213
RRH Power Supply
If the RRH is distant from the DU, it is supplied with separate power (e.g.,
rectifier) of -48 VDC (-40~-56 VDC).
DU
Rectifier
-48 VDC (-40~-56 VDC)
DPM-FI
Filter
Circuit Breaker
MBB-F
M
E
I
-
B
M
M
A
-
G
M
R
A
-
F
#
0
M
R
A
-
F
#
1
M
R
A
-
F
#
2
M
R
A
-
F
#
3
M
R
A
-
F
#
4
M
R
A
-
F
#
5
F
A
N
-
F
D
4
8