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Technical Manual
Airbridge BTS3612A CDMA Base Station
Power modules: 3 PSU
RF antennas: 2 uni-polarization directional antennas or 1 bi-polarization
directional antenna for each sector.
RF modules: The configuration of the RF modules is shown in Figure 8-8, and
the logic connection of RF modules of one-sector is shown in Figure 8-9 and
Figure 8-10.
Sector A
B
B
B
B
H
T
H
T
P
R
P
R
A
M
A
M
1
1
3
3
CDU0
f1,f2
CDU1
f3,f4
CDU2
f3,f4
B
B
B
B
H
T
H
T
P
R
P
R
A
M
A
M
0
0
2
2
Figure 8-8 S(4/4/4) RF configuration
DC/DC
Diversity receiving signal of f3 in Sector C
Diversity receiving signal of f4 in Sector C
Diversity receiving signal of f1 in Sector C
Diversity receiving signal of f2 in Sector C
Sector C
B
B
R
H
T
L
P
R
D
A
M
U
5
5
1
B
B
R
H
T
L
P
R
D
A
M
U
4
4
0
modules
PSU
modules.
, 9
AC/DC
Sector B
B
B
B
H
T
H
P
R
P
A
M
A
1
1
3
Sector A
CDU0
f1,f2
Sector A
CDU1
f3,f4
Sector C
CDU2
f1,f2
B
B
B
H
T
H
P
R
P
A
M
A
0
0
2
8-15
System Principle
Chapter 8 BTS Configuration
Sector C
B
B
B
R
T
H
T
L
R
P
R
D
M
A
M
U
3
5
5
1
B
B
B
R
T
H
T
L
R
P
R
D
M
A
M
U
2
4
4
0
Sector B
Sector B
Sector C
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