M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
2 Cabinet
Issue 01 (2006-11-18)
Huawei Technologies Proprietary
2-7
Figure 2-5
Typical configuration of the BTS3012A
FAN
FAN
E
M
U
A
C
D
U
C
D
U
C
D
U
C
D
U
C
D
U
C
D
U
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
T
R
X
P
S
U
P
S
U
T
S
U
E1 lightning
protection
subrack
AC power
distribution
subrack
DC power
distribution
subrack
Battery
Cabin
T
C
U
T
M
U
A
B
B
FAN
FAN
Cable
Inlet
Cable
Inlet
Switch Box
P
M
U
P
S
U
P
S
U
P
S
U
P
S
U
P
S
U
T
rans
m
is
s
io
n
d
e
vi
ce
su
b
ra
c
k
The BTS3012A can also be configured with a large-capacity extended storage battery cabinet.
The cabinet can hold 12 or 24 batteries with nominal voltage of 2 V.
shows the appearance of the storage battery cabinet.
2.2 Functional Subsystem
2.2.1 Overview
shows the composition and functions of each functional subsystem of the BTS3X.