2 Cabinet
Figure 2-6 Position of the common subsystem in the BTS30/312
BSC
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.
Figure 2-7
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
Abis
2-10
External Alarm
TDU
E1
TMU
Fiber
(Optional)
TEU
TES
PMU
PSU
FMU
Common
Subsystem
shows the logical structure of common subsystem when an ABB is configured. The
E1
PSU
Common System
Huawei Technologies Proprietary
M900/M1800 BTS3X Series Base Transceiver Station
CBUS/TBUS/DBUS
TRX
FHBUS
TRX
TRX
PBU
Signal Processing
Subsystem
TMU
ABB
PMU
FMU
Hardware Description Manual
TMA
TMA
CDU
TMA
TMA
CDU
TMA
TMA
ECDU
Antenna Feeder
Subsystem
Issue 01 (2006-11-18)