The document provides information about ZTE cabinet hardware structures for various products, including:
- The BTSV2.0 cabinet which uses CMM, TRM, BTM, and other modules.
- The BS30(V1.2) cabinet which includes TSM, DPM, CMM, and other modules.
- The M8206 cabinet hardware including antennas, LMT, RTU interface board, and other components.
- Descriptions of the functions of key modules like CMM, TRM, and others.
3. WORKING PRINCIPLE
28/12/2010
Data Modelated base band signal
Controller & Maintenance
Antenna feeder processor
link
Base Band Processor
Demodelated RF signal
B Abis RF signal Um
Module
RF Unit
interface
S Control signal
System
C clock
System clock
Power Supply Module
220V
Heat exchanger
ZTE CABINETS
4. WORKING PRINCIPLE
28/12/2010
Data Modelated base band signal
Controller & Maintenance
Antenna feeder processor
link
Base Band Processor
Demodelated RF signal
B Abis RF signal Um
Module
RF Unit
interface
S Control signal
System
C clock
System clock
Downlink:
The BTS receives data from BSC, including voice and signaling data.
Power Supply Module
The transmission unit sends signaling data to the operation & maintenance unit for processing.
220V
The voice data are then sent to baseband processor for processing of rate conversion,
encryption and interleaving. Heat exchanger
Data are then sent to RF unit for modulation to high-frequency signals.
Finally, data are then transmitted through the antenna feeder processor.
ZTE CABINETS
5. WORKING PRINCIPLE
28/12/2010
Data Modelated base band signal
Controller & Maintenance
Antenna feeder processor
link
Base Band Processor
Demodelated RF signal
B Abis RF signal Um
Module
RF Unit
interface
S Control signal
System
C clock
System clock
Uplink:
The antenna feeder processor receives the RF signals from the MS. It then Module signals to
Power Supply sends these
the RF unit to 220V into digital signals.
convert
The signals are then transmitted to baseband processor for rate signals conversion, decryption
and de-interleaving. Heat exchanger
After conversion to the code pattern, suitable for long-distance transmission, the signals are
sent to the BSC through the Abis interface.
ZTE CABINETS
7. Hardware Structure
BTSV2.0
28/12/2010
MMI
TR/ETRM1
Abis A Um
BSC CMM TR/ETRM2 E
M
PDM TR/ETRM3
FCM
BTM
External communication bus
ZTE CABINETS
8. Hardware Structure
BTSV2.0
28/12/2010
MMI
The CMM TR/ETRM1& Maintenance
(Control
Module) performs the following functions:
Abis interface processing A
Abis BTS operation & maintenance Um
BSC CMM TR/ETRM2
Clock synchronization and generation
E
M
Collection of internal/external alarms
Fan management and the
PDM TR/ETRM3
active/standby function
FCM
BTM
External communication bus
ZTE CABINETS
9. Hardware Structure
BTSV2.0
28/12/2010
MMI
The TRM/ETRM ( Transceiver Module ) TR/ETRM1
performs the following functions:
Runs and Controls radio channels in A
Abis system
GSM Um
BSC CMM
Sends/receives radio channel data
TR/ETRM2 E
Modulates/demodulates baseband M
signals on the radio carrier frequency
PDM
Sends/receives radio carrier signals and TR/ETRM3
collects alarms of the fans and AEMs.
FCM
BTM
External communication bus
ZTE CABINETS
10. Hardware Structure
BTSV2.0
28/12/2010
MMI
TR/ETRM1
Abis A Um
BSC CMM TR/ETRM2 E
M
PDM TR/ETRM3
FCM The BTM (Backplane Transmission Module)
contains Motherboard of CMM
(MCMM), Motherboard of Transceiver
BTM Module (MTRM).
External communication bus
ZTE CABINETS
11. Hardware Structure
BTSV2.0
28/12/2010
MMI
TR/ETRM1
AEM (Antenna Equipment Module) provides
Abis the following functions: A Um
Combines the transmit signals of multiple
BSC CMM
carriers. TR/ETRM2 E
Provides bidirectional signal channels from M
the BTS to the antenna for the transmitting
PDM band and from the antenna to the BTS for
TR/ETRM3
the receiving band.
Gives an alarm when the VSWR of the
FCM antenna portthe interference out of the
Suppresses
deteriorates.
working band and spurious emission.
Flexibly configures carriers.
BTM Implements diversity receiving.
External communication bus
ZTE CABINETS
12. Hardware Structure
BTSV2.0
28/12/2010
MMI
TR/ETRM1
Abis A Um
BSC CMM TR/ETRM2 E
M
PDM The PDM (Power Distribution Module)
TR/ETRM3
performs the following functions:
Distributes -48 V DC power to all the
modules
FCM Provides overload protection
Stabilizes the input power
BTM
External communication bus
ZTE CABINETS
13. Hardware Structure
BTSV2.0
28/12/2010
MMI
TR/ETRM1
Abis The FCM (Fan Control Module) monitors and
A Um
BSC CMM TR/ETRM2
collects the temperature in the carrier shelves E
and dissipates heat through fans. M
PDM TR/ETRM3
FCM
BTM
External communication bus
ZTE CABINETS
15. Hardware Structure
BS30(V1.2)
28/12/2010
TSM DPM
HW
signal
TRM LNA
Optical
interface Backplane
STM
Receiving RX
E1 CMM filter
Dup
TX
Internal
FAN
PWM HTM
AC 220V
ZTE CABINETS
16. Hardware Structure
BS30(V1.2)
28/12/2010
TSM DPM
HW
signal
TRM LNA
Optical
interface Backplane
STM
Receiving RX
E1 CMM filter
Dup
TX
The transceiver for station module (TSM),
consist of controller & maintenance
module (CMM), transceiver module (TRM)
and backboard connection unit (BCU)
Internal
FAN
PWM HTM
AC 220V
ZTE CABINETS
17. Hardware Structure
BS30(V1.2)
28/12/2010
TSM DPM
HW
signal
TRM LNA
Optical
interface Backplane
STM
Receiving RX
E1 CMM filter
Dup
TX
The DPM (Duplexer Module ) provides bi-
directional channels for signals between
the BTS and the antenna, suppresses the
interference and spurious radiation beyond
Internal the working band, and implements SWR
FAN
PWM HTM
alarm detection at the antenna port.
AC 220V
ZTE CABINETS
18. Hardware Structure
BS30(V1.2)
28/12/2010
TSM DPM
HW
signal
TRM LNA
Optical
interface Backplane
STM
Receiving RX
E1 CMM filter
CMM (Controller & Maintenance Module ) Dup
provides such functions as Abis interface
processing, BS operation &
maintenance, clock synchronization and
TX
generation, and internal/external alarm
collection and processing. CMM consists of
a control O&M board.
Internal
FAN
PWM HTM
AC 220V
ZTE CABINETS
19. Hardware Structure
BS30(V1.2)
28/12/2010
TSM DPM
HW
signal
TRM LNA
Optical
interface Backplane
STM
Receiving RX
E1 CMM filter
The ZXG10 BS30 supports built-in SDH Dup
transmission equipment, which is
implemented by configuring STM.
The STM is the T150 researched and TX
manufactured by ZTE. T150 provides the
ZXG10 BS30 with 155 Mbits/s SDH
interface, providing diversified BS
transmission interfaces.
Internal
FAN
PWM HTM
AC 220V
ZTE CABINETS
20. Hardware Structure
BS30(V1.2)
28/12/2010
TSM DPM
HW
signal
TRM LNA
Optical
interface Backplane
STM PWM (Power Supply Module ) provides
Receiving RX
rectification, filtering and voltage
E1
filter
CMM stabilizing protection of 220 VAC (single-
Dup
phase three-lines), supplies 220 VAC for
HTM, TSM, STM and internal/external
fans, and provides 220 VAC input
over/under-voltage dry contact alarm. TX
Internal
FAN
PWM HTM
AC 220V
ZTE CABINETS
21. Hardware Structure
BS30(V1.2)
28/12/2010
TSM DPM
HW
signal
TRM LNA
Optical
interface Backplane
STM
Receiving RX
E1 CMM filter
Dup
TX
HTM (Heater Module) consists of a heater
and a fan. It serves to control internal
temperature and ensure the normal
operation of the equipment.
Internal
FAN
PWM HTM
AC 220V
ZTE CABINETS
24. Hardware Structure
M8206/RTU
28/12/2010
MDUP MDUP
MPAU
RTU Interface Board
M
P
MTRB
W
R
48V
ZTE CABINETS
25. Hardware Structure
M8206/RTU
28/12/2010
MTRB (Micro Base Station Transceiver MDUP Board) MDUP
consists of transmitter, receiver, local oscillator
and base band processor. Main functions of
MTRB are as follows:
Transmission and reception of radio signal and
uplink/downlink conversion. MPAU
Processing the dual-carriers radio channels in
downlink. Implement rate adaptation, channel
encoding, interleaving, and encryption. Also
generates TDMA burst pulse and implements
GMSK/8PSK modulation. M
Receives the system clock fromP CMB.
R
Implements and saves hardware management I MTRB
W
ID. B
type, and Board version. R
Implements RF hopping.
48V
ZTE CABINETS
26. Hardware Structure
M8206/RTU
28/12/2010
MDUP MDUP
MPAU (Micro Base Station Power
Amplifier Unit) is power amplifying
unit and amplifies the downlink
signal power. MPAU consists of two MPAU
power amplifier boards which are
installed on the bottom of base
station cabinet respectively.
M
R
P
I MTRB
W
B
R
48V
ZTE CABINETS
27. Hardware Structure
M8206/RTU
28/12/2010
MDUP MDUP
MPAU
This unit works as a duplexer and
consists of transceiver duplexer,
antenna interface VSWR detection
unit and Low Noise Amplifier
RTU Interface Board
M (LNA). It detects VSWR alarms in
three levels
P
MTRB
W
R
48V
ZTE CABINETS
28. Hardware Structure
M8206/RTU
28/12/2010
MDUP MDUP
MPAU
MPWR performs power
distribution function. It provides RTU Interface Board
different values of voltage M
according to the requirements in P
different parts of the RTU. MTRB
W
R
48V
ZTE CABINETS
30. Hardware Structure
M8206/CTU
28/12/2010
CMB (control and maintenance board) stands for .
Monitors, controls and maintains the whole BTS
system.
Provides 8 channels E1/T1 interfaces, but only 5 CIB
channels are used in this system.
PWR
Implements the synchronization of radio clock and
transmission clock.
MCMB
Provides transparent path for external environment
alarm. 5E1/T1 Test MMI
Implements shared PCM link for multi-BTS.
48V
Supports cascaded capacity expansion of many Heater MEIB
physical cabinets in one site.
Provides various clocks required in BTS 5E1/T1
Administers the intra-system program of each board
and version of FPGA configuration file. Supports near T150
end and far end version upgrade. 48V
IDU
Provides protection from reverse current.
Its front panel provides reset button and forced
power OFF button.
ZTE CABINETS
31. Hardware Structure
M8206/CTU
28/12/2010
CIB
PWR
CIFB (CTU Interface Board)
implements the signal conversion MCMB
between CMB and the bottom
interface. 5E1/T1 Test MMI
48V
Heater MEIB
5E1/T1
T150
48V
IDU
ZTE CABINETS
32. Hardware Structure
M8206/CTU
28/12/2010
MEIB (Micro Base Station E1 Interface
Board) performs the following functions:
Provides circuit impedance matching for CIB
five E1/T1 channels.
PWR
Maximum three E1/T1 channels can be
MCMB
used to connect embedded transmission
equipment (optical or microwave
transmission). Maximum three can be 5E1/T1 Test MMI
used for cascading.
48V
Heater
Provides link bypass function for E1/T1 MEIB
channels during the power down of
cascading system (i.e. channel ‘A’ bypass 5E1/T1
to channel ‘C’).
Provides lightening protection, and T150
48V
signal isolation in the circuits. IDU
It provides Abis interface board type
information to CMB.
ZTE CABINETS
33. Hardware Structure
M8206/CTU
28/12/2010
CIB
T150 is a PWR capacity AU-4 path STM-1
small
level SDH equipment. It is usually used MCMB
outdoors and is the auxiliary transmission
equipment of GSM and CDMA BTSs. The
function and interfaces are optimized5E1/T1
Test MMI
according to the48V actual requirement of
Heater
GSM and CDMA. It provides STM-1 MEIB
(155520 Kbps) link, which is equal to the
capacity of four E1 links. 5E1/T1
T150
48V
IDU
ZTE CABINETS
35. Hardware Structure
BS21 (V2.0)
28/12/2010
BTM
TRM
B Abis T
AEM
S M CMM Um interface
C M
TRM
PSM
Heater
ZTE CABINETS
36. Hardware Structure
BS21 (V2.0)
28/12/2010
BTM
TRM
B Abis T
AEM
S M CMM Um interface
C M
TRM
The CMM (Controller & Maintenance
PSM
Module) implements such functions as
Abis interface processing, BTS operation &
Heater
maintenance, clock synchronization and
generation, internal/external alarm
collection and processing.
ZTE CABINETS
37. Hardware Structure
BS21 (V2.0)
28/12/2010
BTM
TRM
B Abis T The BTM (Backboard Transmission
AEM
S M CMM
Module) is responsible for transmitting Um interface
C M messages between the CMM, TRM and
AEM and at the same time provides
TRM
interfaces for inputting and outputting
PSM
external signals.
Heater
ZTE CABINETS
38. Hardware Structure
BS21 (V2.0)
28/12/2010
BTM
TRM
B Abis T
AEM
S M The TMM (Transmission Management
CMM Um interface
Module) is an outsourcing device, and the
C M BS21 only provides one standard chassis
(19 inches × 3U) used forTRM built-in
the
PSM
SDH, microwave and other transmission
equipment.
Heater
ZTE CABINETS