Chapter 1 Cabinet
F
IGURE
2 B
ASEBAND
P
OWER
C
ABINET
I
NNER
S
TRUCTURE
1. Heat exchanger
2. Reserved space
3. Baseband subrack
4. Cable tray
5. Lightning subrack
6. Power supply subrack
7. File box
8. Cabinet door
Table 2
describes the configuration inside the baseband power cab-
inet.
T
ABLE
2 B
ASEBAND
P
OWER
C
ABINET
I
NNER
S
TRUCTURE
D
ESCRIPTION
Unit
Height
Configuration
Heat exchanger
4 U
Compulsory
Transmission subrack
4 U reserved
Optional
Baseband subrack
2 U
Compulsory
Cable tray
1 U
Optional
Lightning subrack
1 U
Optional
Power supply subrack
6 U
Compulsory
–
1 U = 4.44 cm
Heat Exchanger
The heat exchanger has been installed inside baseband power cab-
inet before equipment consignment.
Judging from the feedback indices from temperature sensor, the
heat exchanger provides cooling or heating function to keep a sta-
ble temperature inside the cabinet and ensure the normal opera-
tion of equipments.
Confidential and Proprietary Information of ZTE CORPORATION
3
Содержание CDMA Outdoor Basestation-8900
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