2 Cabinet
M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
2-10
Huawei Technologies Proprietary
Issue 01 (2006-11-18)
Figure 2-6
Position of the common subsystem in the BTS30/312
Fiber
(Optional)
TDU
TMU
TRX
PSU
TEU
TES
PMU
FMU
TMA
TRX
PBU
TRX
CDU
CDU
ECDU
TMA
TMA
TMA
TMA
E1
Common
Subsystem
Signal Processing
Subsystem
Antenna Feeder
Subsystem
FHBUS
BSC
External Alarm
TMA
CBUS/TBUS/DBUS
The system structure of the BTS3012A and the BTS3006A is similar to that of the BTS30/312.
They differ only in the structure of common subsystem.
shows the logical structure of common subsystem when an ABB is configured. The
BTS3012A and the BTS3006A can be configured with the ABB, but cannot be configured
with the TEU, the TES, the ABA, or the standby TMU.
Figure 2-7
Common subsystem of the BTS3012A/BTS3006A
PMU
PSU
FMU
Abis
E1
Common System
ABB
TMU