Upload
leosedf
View
7.615
Download
17
Embed Size (px)
Citation preview
HUAWEI TECHNOLOGIES CO., LTD. All rights reserved
www.huawei.com
Internal
WCDMA BTS3900A Hardware Structure
BTS3900AV200R010
HUAWEI TECHNOLOGIES CO., LTD. Page 2All rights reserved
� As an important part of UTRAN,
NodeB mainly processes the signals of
the physical layer of Uu interface
� BTS3900A is a new generation which is
produced by Huawei Co. Ltd.
HUAWEI TECHNOLOGIES CO., LTD. Page 3All rights reserved
Upon completion of this course, you will be able to:
� Master the hardware structure of BTS3900A
� Master the working principle of different subsystems and
boards of BTS3900A
� Master the cables connection rules of BTS3900A
� Know typical configurations of BTS3900A
HUAWEI TECHNOLOGIES CO., LTD. Page 4All rights reserved
� “BTS3900A Product Description”
� “BTS3900A Hardware Description”
HUAWEI TECHNOLOGIES CO., LTD. Page 5All rights reserved
BTS3900A Abbreviations
Advanced power moduleAPM
APM power monitor unit Interface boardAPMI
APM fan monitor unit Interface board AFMU
The power supply unitPSU
The power and environment monitoring unit PMU
WCDMA Radio Filter UnitWRFU
Universal Power and Environment Interface UnitUPEU
Common Protocol Radio Interface CPRI
Universal FE/GE Lighting Protection unit UFLP
Universal Transmission Processing UnitUTRP
Direct Current Distribution Unit-01DCDU-01
Universal E1/T1 Lighting Protection unit UELP
Universal Environment Interface unitUEIU
FMUA
UBFA
WBBPa
WMPT
WCDMA Baseband Process unit Type A
WCDMA Main Processing and Transmission Unit
fan environment monitoring unit
Universal BBU Fan Unit Type A (2U)
HUAWEI TECHNOLOGIES CO., LTD. Page 6All rights reserved
NodeB Position in UMTS Network
Iu-BC
RNC
RNC
NodeB
NodeB
NodeB
CS
PS
CBC
UE UTRAN CNUu Iu
Iu-CS
Iu-PS
Iu-BC
Iur
Iub
Iub
Iub
HUAWEI TECHNOLOGIES Co., Ltd. Page 7HUAWEI Confidential
NodeB Location
PSTN ISDN
PSPDN
Uu Interface
BTS3900A
BTS3900A
BTS3900A
BTS3900A
M2000
HLR/AUC/EIR
RNC
MSC/SGSN
SMC
IUInterface
MAP
MAP
TUP,ISUPUE
UE
UE
HUAWEI TECHNOLOGIES CO., LTD. Page 8All rights reserved
Chapter 1 NodeB OverviewChapter 1 NodeB Overview
Chapter 2 BTS3900A Hardware StructureChapter 2 BTS3900A Hardware Structure
Chapter 3 BTS3900A Typical ConfigurationChapter 3 BTS3900A Typical Configuration
HUAWEI TECHNOLOGIES CO., LTD. Page 9All rights reserved
Chapter 3 BTS3900A Hardware StructureChapter 3 BTS3900A Hardware Structure
Section 1 BTS3900A IntroductionSection 1 BTS3900A Introduction
Section 2 Power Modules StructureSection 2 Power Modules Structure
Section 3 Modules StructureSection 3 Modules Structure
Section 4 CablesSection 4 Cables
HUAWEI TECHNOLOGIES CO., LTD. Page 10All rights reserved
BTS3900A Appearance
220 AC: Single-phase or three-phase power cable
220 AC input range of voltage
-48V DC:-38.4V DC to -57V DC-48V input range of voltage
+24 DC:+21.6 V DC to +29 V DC +24V input range of voltage
≤ 160KgWeight under full configuration
220 AC: Single-phase or three-phase power cable
110 AC input range of voltage
≤ 120Kg3*1 and 3*2 Weight
600(W)*900(H)*450(D)Dimensions
ParametersType
HUAWEI TECHNOLOGIES CO., LTD. Page 11All rights reserved
Typical Configurations of the BTS3900A Cabinet
1. RF cabinet 2. Power cabinet
HUAWEI TECHNOLOGIES CO., LTD. Page 12All rights reserved
Typical Configurations of the BTS3900A Cabinet
1. RF cabinet 2. Power cabinet
HUAWEI TECHNOLOGIES CO., LTD. Page 13All rights reserved
Typical Configurations of the BTS3900A Cabinet
1. RF cabinet
2. Power cabinet
3. Transmission cabinet
4. Battery cabinet
� The BTS3900A cabinet comprises an RF
cabinet and a power cabinet. The
extension battery cabinet and
transmission cabinet are optional.
HUAWEI TECHNOLOGIES CO., LTD. Page 14All rights reserved
BTS3900A Capacity and Characteristics
� System capacity specifications:
�BTS3900A can support up to: uplink and downlink 1536 CEs
�BTS3900A can support up to: 6*4 cells or 3*8 cells
� Characteristics
�Transmission Type: E1/T1, FE (electrical port ), FE (optical port ),
�Networking mode: star, chain and tree
�Synchronization clock sources: Iub interface clock, GPS, and internal clock
�Handover types: softer handover, soft handover and hard handover
�Services: CS services, PS services , mixed services and position services
�Enhanced functions:HSPA, MBMS, RAN sharing and RET as well
HUAWEI TECHNOLOGIES CO., LTD. Page 15All rights reserved
BTS3900A Logical Structure
HUAWEI TECHNOLOGIES CO., LTD. Page 16All rights reserved
Chapter 3 BTS3900A Hardware StructureChapter 3 BTS3900A Hardware Structure
Section 1 BTS3900A IntroductionSection 1 BTS3900A Introduction
Section 2 Power Modules StructureSection 2 Power Modules Structure
Section 3 Modules StructureSection 3 Modules Structure
Section 4 CablesSection 4 Cables
HUAWEI TECHNOLOGIES CO., LTD. Page 17All rights reserved
RF Cabinet ModulesRF Cabinet Modules
� The BTS3900A cabinet comprises an RF cabinet and a power cabinet. The
extension battery cabinet and transmission cabinet are optional.
� The RF cabinet comprises the following entities: WRFU, DCDU , FMUA, and FAN unit. The power cabinet comprises the following entities: BBU,
PDU, PMU and PSU.
� You can choose to configure the BTS3900A with a battery cabinet and a transmission cabinet. This helps to expand the battery capacity and the
installation space for optional user devices.
HUAWEI TECHNOLOGIES CO., LTD. Page 18All rights reserved
RF Cabinet Modules --- WRFU Board
� The WRFU consists of the high-speed interface unit, signal processing unit,
power amplifier, and duplex unit.
HUAWEI TECHNOLOGIES CO., LTD. Page 19All rights reserved
RF Module --- WRFU Board
Used for commissioningRJ45 connectorCOMCommissioning port
Introducing power3V3 power connector
POWERPower port
Output port of diversity signals in the antenna channel
QMA female connector
LNA0-OUT
Input port of diversity signals in the antenna channel
QMA female connector
LNA1-INInterconnection port for RF receive signals
Connecting the lower-level WRFU during the cascading
SFP female connector
CPRI_E
Connecting the BBU, or the upper-level WRFU during the cascading
SFP female connector
CPRI_WCPRI
N series female connector
ANT-TX/RXM
Connecting the antenna subsystem
N series female connector
ANT-RXDPort for transceiving RF signals
DescriptionConnector TypeLabelType
HUAWEI TECHNOLOGIES CO., LTD. Page 20All rights reserved
The CPRI link is out of lock.Red LED on for 1 second and off for 1 second
The interface module fails to receive signals.On (red)
The CPRI link is normal.On (green)CPRI_WCPRI_E
A VSWR alarm is generated.On (red)
No VSWR alarm is generated.Off (red)VSWR
The module is in the local test status.On for 1 second and off for 1 second
The module is not connected to the BBU.Off
The module is functional and is connected to the BBU.OnTX_ACT
No alarm is generated.Off
The module is in the alarm status.OnALM
The module is loading software or is not started.On for 0.125 second and off for 0.125 second
The module is functional.On for 1 second and off for 1 second
There is no power input, or the module is faulty.Off
The power input is normal, but the module is faulty.OnRUN
MeaningStatusIdentifier
RF Module --- WRFU Board
HUAWEI TECHNOLOGIES CO., LTD. Page 21All rights reserved
RF Module --- WRFU Board
� RF specifications:
� One WRFU supports four carriers.
� Each carrier’s maximum output power of WRFU is 80W;
� The receive sensitivity of single antenna is better than -125.8dBm;
� The receive sensitivity of two antennas is better than -128.6dBm;
� The maximum searching ability is180km. The maximum access search radius is
configurable with the step size of 300 m;
20
40
80
Transmit Diversity Power (W)/Carrier
1020
610
520
Typical Power Consumption (W)
13303*4
8303*2
6303*1
Maximum Power Consumption (W)
Configuration Type (No Transmit Diversity)
HUAWEI TECHNOLOGIES CO., LTD. Page 22All rights reserved
RF Cabinet Modules --- DCDU-02 Board� The direct current distribution unit
(DCDU) module leads power to each component in the cabinet.
� Functions
� The DCDU supports the 1-way -
48 V DC power input and 4-way -48 V DC power output.
� The DCDU leads -48 V DC power
to the WRFU and FMUA in the RF cabinet.
� The DCDU-02 has the built-in
surge protector board, which provides 10 kA surge protection
capability in differential mode and
15 kA in common mode.
� DCDU-02 in the 3RFU cabinet or in the left of the 6RFU cabinet
� DCDU-02 in the 3RFU cabinet or in the right of the 6RFU cabinet
HUAWEI TECHNOLOGIES CO., LTD. Page 23All rights reserved
RF Cabinet Modules --- DCDU-02 Board
DUDU dry contact alarm output port SPD ALMAlarm output port
•RFU0 to RFU2 controlling the current of the three WRFUs in the 3RFU cabinet or in the left of the 6RFU cabinet•RFU3 to RFU5 controlling the current of the three WRFUs in the 6RFU cabinet or in the right of the 6RFU cabinet•FMUA controlling the current of the FMUA•SPARE controlling the current of the SPARE power output port
RFU0 to RFU5, FMUA, and SPARE
Power switch
•RFU0 to RFU2 supplying power to the three WRFUs in the 3RFU cabinet or in the left of the 6RFU cabinet•RFU3 to RFU5 supplying power to the three WRFUs in the right of the 6RFU cabinet•FMUA supplying power to the FMUA•SPARE is reserved.
RFU0 to RFU5, FMUA, and SPARE
Power output port
-48 V RTN input wiring terminalRTN(+)
-48 V NEG input wiring terminalNEG(–)Wiring terminal for power input
DescriptionLabelName
HUAWEI TECHNOLOGIES CO., LTD. Page 24All rights reserved
RF Cabinet Modules --- DCDU-02 Board� 220 V and 110V AC Power Distribution
HUAWEI TECHNOLOGIES CO., LTD. Page 25All rights reserved
RF Cabinet Modules --- FAN Unit
� The FAN unit provides the functions of ventilation and heat dissipation for the cabinets. A FAN unit consists of two independent fans.
� Functions
� Providing forced ventilation and heat dissipation
� Supporting the temperature detection
� The FAN unit supports:
− Adjustment based on the temperature and adjustment controlled by the main control unit
− Fan rotation control function. The FAN unit stops the rotation of the fans when
the ambient temperature is low.
HUAWEI TECHNOLOGIES CO., LTD. Page 26All rights reserved
RF Cabinet Modules --- FMUA Board
� The FMUA module is a fan environment monitoring unit.
� Functions
� Leading -48 V DC power to the FAN unit
� Collecting environment alarms of the cabinet, such as temperature, humidity, smoke, water, and door status alarms
� Collecting surge protection alarms of the DCDU
� Supporting the functions of temperature detection and report
� Supporting cascaded and extension FMUA through the RS485 port
HUAWEI TECHNOLOGIES CO., LTD. Page 27All rights reserved
RF Cabinet Modules --- FMUA Board
� the LEDs on the FMUA.
No alarm is generated or there is no power supply.
OFF
Other alarms are generated. On for 2 second and off for 2 second
The fan in the left side of the cabinet generates alarms.
ON
The fan in the right of the cabinet generates alarms.
On for 1 second and off for 1 second
Alarms are generates on both the left and right fans of the cabinet.
On for 0.125 second and off for 0.125 second
RedALARM
There is no power supply. OFF
The power supply is normal but the communications with the BBU is not normal.
On for 0.125 second and off for 0.125 second
The module runs normally and communicates normally with the BBU.
On for 1 second and off for 1 second
GreenRUN
MeaningStatusColorIdentifier
HUAWEI TECHNOLOGIES CO., LTD. Page 28All rights reserved
RF Cabinet Modules --- FMUA Board� the ports on the FMUA module
Port for the water sensorDry contact connectorGroup four (from left to right)
Ports for the smoke sensor and door status sensor
Dry contact connectorGroup three (from left to right)
Dry contact connectorGroup two (from left to right)
Extension Boolean alarm portDry contact connectorGroup one (from left to right)Boolean alarm port
Connects to the FAN unit in the right of the cabinet through the power cable for the FAN unit.
4-pin connectorFAN2 and FAN -3
Connects to the FAN unit in the left of the cabinet through the power cable for the FAN unit.
4-pin connectorFAN0 and FAN -1Ports on the FAN unit
Connects the SPD ALM port of the DCDU through the monitoring signal cable between the FUMA and DCDU.
RJ45 connectorTEM_HUM ARRESTER
Indicates the port for monitoring cabinet temperature.
RJ45 connectorTEM
Cascades lower-level FMUA.RJ45 connectorCOM OUT
Connects to the main control unit.RJ45 connectorCOM INRS485 communication interface
-48 V DC power is supplied to the power port.
3V3 power connector–48 VPower port
DescriptionConnector TypePortPort Type
HUAWEI TECHNOLOGIES CO., LTD. Page 29All rights reserved
RF Cabinet Modules --- Batteries
� Batteries in the RF Cabinet
� The batteries in the RF cabinet provide NodeBs with power supplies.
� Batteries are configured in the 3 RFU RF cabinet.
� Appearance
� Batteries in the RF cabinet are classified into two types.
(2) -12 V 92 Ah battery(1) -12 V 50 Ah battery
HUAWEI TECHNOLOGIES CO., LTD. Page 30All rights reserved
Chapter 3 BTS3900A Hardware StructureChapter 3 BTS3900A Hardware Structure
Section 1 BTS3900A IntroductionSection 1 BTS3900A Introduction
Section 2 Power Modules StructureSection 2 Power Modules Structure
Section 3 Modules StructureSection 3 Modules Structure
Section 4 CablesSection 4 Cables
HUAWEI TECHNOLOGIES CO., LTD. Page 31All rights reserved
Power Cabinet ModulesPower Cabinet Modules
� The components in the power cabinet are as follows: BBU, SLPU, PDU, PMU/PSU, AFMU, AFMI, and sensors.
HUAWEI TECHNOLOGIES CO., LTD. Page 32All rights reserved
Logical Structure of the BBU3900 Module
TO WRFU
Clock modeSignalingProcessing
Operation&Maintenance
Power mode
E1/T1FE
Transport Interface
TransmissionAdaptationProtocolProcessing
FP
Processing
Codling
Decoding Demodulation
Modulation
Interface
Module
Transport Subsystem Baseband Subsystem
Control Subsystem
External SubsystemOMC
CPRI
RNC
Power Control information
HUAWEI TECHNOLOGIES CO., LTD. Page 33All rights reserved
BBU3900 Module Introduction
� Mandatory boards and modules:WMPT, WBBPa, UBFA, and UPEU
� The optional boards are the UELP, UFLP, UTRP, and UEIU.
� Full configuration
� Typical configuration
HUAWEI TECHNOLOGIES CO., LTD. Page 34All rights reserved
BBU3900 Module Introduction
F
A
N
PWR0
PWR1
SLOT0
SLOT1
SLOT2
SLOT3
SLOT4
SLOT5
SLOT6
SLOT7
Slot number definition
Active and standby definition for UTRP and WMPT boards
F
A
N
PWR
PWR
WBBP
WBBP
WBBP
WBBP
UTRP
UTRP
WMPT
WMPT
Slot boards definition
HUAWEI TECHNOLOGIES CO., LTD. Page 35All rights reserved
BBU Module --- WMPT Board
� Board number:
� maximum is 2 for one BBU3900,mandatory board, working in active and standby mode
� Main Functions:
� Providing OM functions
� Controlling other boards in the system and providing the reference clock
� Providing USB ports for automatic NodeB upgraded
� Providing transmission port for Iub interface
� Providing OM channels
4E1: DB26
IP transmission on Electrical Port: RJ45
IP transmissionOptical signals: SFP
GPS antenna: SMA
Commissioning: RJ45
Loading Testing
LEDs
HUAWEI TECHNOLOGIES CO., LTD. Page 36All rights reserved
BBU Module --- WMPT Board
� LEDs of running status of WMPT:
The board is in standby mode.OFF
The board is in active mode.ONGreenACT
The board is operational.OFF
The board is reporting alarms and is faulty.ONRedALM
The software is being loaded to the board, or the board is not in use.
0.125s ON, 0.125s OFF
The board is running as configured.1s ON, 1s OFF
The board has no power input.OFF
The board has power input, yet the board is faulty.ONGreenRUN
DescriptionStatusColorLabel
HUAWEI TECHNOLOGIES CO., LTD. Page 37All rights reserved
BBU Module --- WMPT Board
There is no data transmission.OFF
There is ongoing data transmission.BlinkingYellow
The connections are faulty.OFF
The connections are functional.ONGreenLEDs beside the ETH port
There is no data transmission.OFF
There is ongoing data transmission.BlinkingYellow
The connections are faulty.OFF
The connections are functional.ONGreenLEDs beside the FE1 and FE0 optical port
DescriptionStatusColorLED
HUAWEI TECHNOLOGIES CO., LTD. Page 38All rights reserved
BBU Module --- WMPT Board
� DIP Switch : The WMPT has two DIP switches: SW1 for setting the E1/T1 working
mode and SW2 for setting the protection ground for the E1.
ONONOFF4
ONONOFF3
ONOFFON2
ONOFFON1
75-ohm E1 Unbalanced Mode
120-ohm E1 Balanced Mode
T1 ModeBit
Settings of SW1
ON4
ON3
ON2
The RRING is for connected to the protection ground.
ON1
Description75-ohm E1 Unbalanced Mode
Bit
Settings of SW2
HUAWEI TECHNOLOGIES CO., LTD. Page 39All rights reserved
BBU Module --- WBBPa Board
� Board number: mandatory, maximum is 6
� Main Functions:
� Providing the CPRI interface for communication between the BBU and the
WRRU or WRFU
� Processing uplink and downlink baseband signals and support HSUPA and
HSDPA function
� Supporting 1+1 backup of the CPRI interface
� According to the board processing capability, WBBP module will include seven
specifications. Current WBBP is the A version, called WBBPa.
CPRI 0 ~2 (1.25G-2.5G): SFP LEDs
HUAWEI TECHNOLOGIES CO., LTD. Page 40All rights reserved
BBU Module --- WBBPa Board� LED of running status of board :
The board is reporting alarms and is faulty.ON
The board is operational.OFFRedALM
The board is not in use.OFF
The board is operational.ONGreenACT
Software is being loaded to the board.0.125s ON
0.125s OFF
The board is operational.1s ON, 1s OFF
The board has no power input or is faulty.OFF
The board has power input, yet the board is faulty.ONGreenRUN
DescriptionStatusColorLabel
The associated CPRI link is operational.ONGreen
The associated CPRI link is out of lock.Blinking
The optical module or the electrical port is in position, yet the received signals are lost.
ON
The optical module is not in position, or the CPRI electrical cable is not securely connected.
OFFRedCPRI0-2
HUAWEI TECHNOLOGIES CO., LTD. Page 41All rights reserved
The module is reporting alarms.ONRed
The module is operational.1s ON, 1s OFF
The module is not registered, and no
alarm is reported.
0.125s ON,
0.125s OFF
GreenSTATE
DescriptionStatusColorLabel
UFAN Board
� Board number: mandatory, maximum is 1
� Main Functions:
� Controlling the fan speed
� Reporting the fan status to the WMPT
� Detecting the temperature of the fan board
HUAWEI TECHNOLOGIES CO., LTD. Page 42All rights reserved
� Panel of the UPEA � Panel of the UPEB
BBU Module --- UPEU Board
� Board number: mandatory, maximum is 2, 1+1 backup
� Main Functions:
� Converting -48 V or +24 V DC power input to +12 V DC power that is supported
by boards
� Reporting alarms related to input and output under voltage
� Providing transmission ports for RS485 signals and dry contact alarm signals
-48V to +12V +24V to +12V
HUAWEI TECHNOLOGIES CO., LTD. Page 43All rights reserved
� LED: The UPEU has one LED, indicating the running status of the board.
The board has no power input, or the board is faulty.
OFF
The board is operational.ONGreenRUN
DescriptionStatusColorLabel
� Socket and Port: The UPEU has one socket and four ports.
RJ451MON0
Transmitting RS485 environment monitoring signals
RJ451MON1
RJ451EXT-ALM0
Transmitting dry contact alarm signalsRJ451EXT-ALM1
DC power input3V31PWR
FunctionConnector TypeQuantityLabel
BBU Module --- UPEU Board
HUAWEI TECHNOLOGIES CO., LTD. Page 44All rights reserved
� The UTRP provides ports for eight E1s/T1s and implements transport such as IP and
ATM between the BBU3900 and the RNC.
The board is reporting alarms and is faulty.ON
The board is operational.OFFRedALM
The board is in standby mode.OFF
The board is in active mode.ONGreenACT
The board is under test.2s ON, 2s OFF
Software is being loaded to the board.0.125s ON, 0.125s OFF
The board is operational.1s ON, 1s OFF
The board has no power input or is faulty.OFF
The board has power input, yet the board is faulty.ONGreenRUN
DescriptionStatusColorLabel
BBU Module --- UTRP Board
4 E1:DB26
HUAWEI TECHNOLOGIES CO., LTD. Page 45All rights reserved
RJ45EXT-ALM1
RJ45EXT-ALM0
RJ45MON1
RJ45MON0
Connector TypeLabel
BBU Module --- UEIU Board
� Port : The UEIU has four ports.
� Board number: maximum is 2
� The UEIU Functions:
� Connecting to an external monitoring device and transmitting RS485
signals to the WMPT
� Connecting to an external alarm device and transmitting dry contact alarm
signals to the WMPT
HUAWEI TECHNOLOGIES CO., LTD. Page 46All rights reserved
BBU Module --- SLPU Board
� The auxiliary devices of the
BBU3900. The devices are
the SLPU, UELP, and UFLP
� SLPU: The signal lightning
protection unit is an optional
module of the BTS3900
cabinet (-48 V) or the power
distribution cabinet.
� The UFLP and the UELP
are optional units that are
installed in the SLPU.
UFLP
UELP
HUAWEI TECHNOLOGIES CO., LTD. Page 47All rights reserved
� UELP: The universal E1/T1 lightning protection (UELP) unit is a universal E1/T1 The UELP can be optionally installed in the SLPU or the BBU. Each UELP
supports the surge protection of 4-way E1/T1 signals.
� E1 Connection:
BBU Module --- UELP Board
DB25 DB26
Indoor DDF
E1
E1
HUAWEI TECHNOLOGIES CO., LTD. Page 48All rights reserved
� DIP Switch: The UELP has one DIP switch, which is used to select whether the
receive terminal is grounded. The DIP switch has four bits.
Used for other modes except the 75 Ω unbalanced mode
OFFOFFOFFOFF
Used for the 75 Ωunbalanced mode
ONONONONS1
4321
DescriptionDIP StatusDIP Switch
BBU Module --- UELP Board
HUAWEI TECHNOLOGIES CO., LTD. Page 49All rights reserved
� UFLP: The universal FE lightning protection (UFLP) board is optionally installed in the
SLPU or BBU. Each UFLP supports 2-way FE surge protection.
BBU Module --- UFLP Board
� IP Cable Connection.
Transmission EquipmentLAN switch or Router
HUAWEI TECHNOLOGIES CO., LTD. Page 50All rights reserved
Power Cabinet Modules --- APMI
� The APMI board refers to APM Power Monitor unit Interface board.
� Function
� Transfers the APM30 serial port communication signals, Boolean input/output signals, and EMI signals.
� Protects the dry contact input/output signals and RS485 signals (connected to the BBU/BTS)
HUAWEI TECHNOLOGIES CO., LTD. Page 51All rights reserved
Power Cabinet Modules --- APMI
Connecting the optical coupling alarm output cable
12-pin molex connectorOUT1
Connecting the dry contact alarm input cable32-pin molex connectorIN1-IN3
Connecting the monitoring signal cable between the APMI and the BBU
22-pin molex connectorTX+, TX-, RX+, RX-
Connecting the monitoring signal cable between the PMU and the APMI
1RJ45 connectorRS422
FunctionQuantityConnector TypePort
HUAWEI TECHNOLOGIES CO., LTD. Page 52All rights reserved
Power Cabinet Modules --- AFMU
� The AFMU board refers to APM Fan Monitor unit Interface Board.
� Function
�Provides DC power supply to
the APMI and AFMU boards through
the DC power port
�Supplies DC power to the two
fans at the top of the cabinet and reports the alarms of the fans
�Reports the alarms of the internal ambient temperature sensor, air inlet
temperature sensor, and air outlet temperature sensor
�The alarm signals of the AFMU board is transported to the APMI board through
the signal transfer cable and then is reported to the BBU
HUAWEI TECHNOLOGIES CO., LTD. Page 53All rights reserved
Power Cabinet Modules --- AFMU
Connecting the DC power cable of the AFMU
DC INPUT2
Connecting the monitoring signal cable between the AFMU and the APMI
ALM1
FunctionPortSN
No alarm is generated, or the system is not powered on.
OFF steady
An alarm is generated.ON steadyRedALMAlarm LED
The system is not powered on.OFF steady
The serial port communication is disrupted. The other communication is normal.
Blinking for 0.125s ON and 0.125s OFF
The system is working properly.Blinking for 1s ON and 1s OFF
About 1 minute after the AC or DC power-onON steadyGreenRUNOperation LED
DescriptionStatusColorSilkscreenLED
HUAWEI TECHNOLOGIES CO., LTD. Page 54All rights reserved
Power Cabinet Modules --- PDU
� The PDU (short for Power Distribution Unit) performs AC or DC power distribution.
DC output wiring terminals (LOAD0-LOAD9)8
DC output MCBs (SW0-SW9)7
AC output MCB (controls the power supply to the heating film or heaters)6
AC input MCB5
AC output wiring terminals (Nout1, Nout2)4
AC output wiring terminals (Lout1, Lout2)3
AC wiring terminals•For the 110 V dual-live-wire input, use L1•For the single-phase 220 V/three-phase 220 V input, use L1, L2 and L3
2
AC wiring terminals•For the 110 V dual-live-wire input, use L2•For the single-phase 220 V/three-phase 220 V input, use N1 and N2
1
DescriptionSN
HUAWEI TECHNOLOGIES CO., LTD. Page 55All rights reserved
220V AC Power Subrack --- PSU(AC/DC) Board
(3) Fault LED
(2) Protection LED
(1) Power running LED
220V AC Single Cabinet
� Function
� The power subrack consists of the PMU, PSU (AC/DC) and the wiring unit of the
power subrack (220 V). The power subrack (AC/DC) converts the 220 V AC
power to the -48 V DC power.
HUAWEI TECHNOLOGIES CO., LTD. Page 56All rights reserved
220V AC Power Subrack --- PSU(AC/DC) Board
There is no output because of output overvoltage shutdown, fan fault, overtemperature shutdown, remote shutdown, or internal problems of the PSU.
On
Normal, or the PSU has no output because of faults (such as no AC input, or overvoltage and undervoltage of AC input) on the mains.
OffRedFault LED
Temperature pre-alarm or fan pre-alarmOn
NormalOffYellowProtection LED
There are faults (such as no AC input, or overvoltage and undervoltage of AC input) on the mains, or the PSU has no output.
Off
NormalOnGreenPower running LED
MeaningStatusColorLED
HUAWEI TECHNOLOGIES CO., LTD. Page 57All rights reserved
220V AC Power Subrack --- PMU Board
� The power and environment monitoring unit (PMU) is the unit for monitoring the
power and the environment. The PMU provides perfect power system management,
power distribution detection, and alarm report functions.
(5) COM port
(4) Battery control switches
(3) RS232/RS422 port
(2) Power supply test ports
(1) LEDs
(2) DIP switch(1) Backplane port
HUAWEI TECHNOLOGIES CO., LTD. Page 58All rights reserved
220V AC Power Subrack --- PMU Board
No alarm is generated.Off
The following alarms are reported:
•Mains overvoltage or undervoltage alarm
•Busbar overvoltage or undervoltage alarm
•Power module alarm
•Load shutdown alarm
OnRedALM
The PMU is faulty (not in the power-on self-check state).On/Off
The module runs normally but the communication with the
main control unit fails.
If the PMU does not communicate with the main control unit
for one minute, the communication fails. In this situation, the
RUN LED blinks four times every second.
On for 0.125 second
and off for 0.125
second
The module is functional, and the communication with the
main control unit is normal.
On for 1 second and
off for 1 second
GreenRUN
MeaningStatusColorIdentifier
HUAWEI TECHNOLOGIES CO., LTD. Page 59All rights reserved
220V AC Power Subrack --- PMU Board
Connecting the backplaneBackplane port
Connecting the external signal transfer boardCOM port
Two power supply test holes -48 V and 0 V are available for measuring
power voltages through an ordinary multimeter.
Power supply test
port
The battery control switch has two control ports ON and OFF, which are
used for powering on and off the battery.
•Press and hold the port ON for 5s to 10s until the battery is powered on.
•Press and hold the port OFF for 5s to 10s until the battery is powered off.
CAUTION:
•You need to insert a small round bar into the hole when you operate the
battery control switch. When you hear a crack, the battery is powered on or
off.
•To operate the battery control switch on the front panel of the PMU, insert
a small round pole into the hole.
Battery control
switch
Communicating with the main control unitRS232/RS422 port
PurposePort
HUAWEI TECHNOLOGIES CO., LTD. Page 60All rights reserved
220V AC Power Subrack --- PMU Board
� DIP Switch: The DIP switch is located on the rear panel of the PMU. The DIP switch has eight bits, which are set to OFF before delivery.
11111111
11100111
11011011
11000011
10111101
10100101
10011001
10000001
01111110
01100110
01011010
01000010
00111100
00100100
00011000
00000000
Monitoring AddressBit 0Bit 1Bit 2Bit 3
HUAWEI TECHNOLOGIES CO., LTD. Page 61All rights reserved
Chapter 3 BTS3900A Hardware StructureChapter 3 BTS3900A Hardware Structure
Section 1 BTS3900A IntroductionSection 1 BTS3900A Introduction
Section 2 Power Modules StructureSection 2 Power Modules Structure
Section 3 Modules StructureSection 3 Modules Structure
Section 4 CablesSection 4 Cables
HUAWEI TECHNOLOGIES CO., LTD. Page 62All rights reserved
BBU3900 Cable Connection
HUAWEI TECHNOLOGIES CO., LTD. Page 63All rights reserved
Cables --- PGND Cable
� PGND Cable
OT terminal
PGND terminal in the cabinet
PGND terminal at the front door of the cabinet
The cross-sectional area of a wire is 6 mm2.
Green and yellow
Front door PGND cable
PGND terminal on the right side of the cabinet
PGND terminal on the right side of the DCDU panel
The cross-sectional area of a wire is 6 mm2.
Green and yellow
PGND cable of the DCDU
External grounding bar of the cabinet
PGND terminal on the right side of the cabinet
The cross-sectional area of a wire is 25 mm2.
Green and yellow
PGND cable of the BTS3900 WCDMA cabinet
The Other End Is Connected to ...
One End Is Connected to ...Cross-Sectional AreaColorName
HUAWEI TECHNOLOGIES CO., LTD. Page 64All rights reserved
Cables --- Power Cable
� Power Cable Between the DCDU and the BBU
HUAWEI TECHNOLOGIES CO., LTD. Page 65All rights reserved
Cables --- Transmission Cable
E1 Cable
FE Surge Protection Transfer CableE1 Surge Protection Transfer Cable
FE Cable
HUAWEI TECHNOLOGIES CO., LTD. Page 66All rights reserved
Cables --- CPRI Cable
� This describes the CPRI electrical cable. It helps to implement high speed communication between the BBU3900 and the WRFU.
� Appearance : The CPRI electrical cable is an SFP high speed transmission
cable that has a SFP200 male connector at each end
CPR1_W port on the WRFUCPRI port on the WBBP
The Other EndOne End
HUAWEI TECHNOLOGIES CO., LTD. Page 67All rights reserved
Chapter 1 Fourth Generation NodeB OverviewChapter 1 Fourth Generation NodeB Overview
Chapter 2 BTS3900A Hardware StructureChapter 2 BTS3900A Hardware Structure
Chapter 3 BTS3900A Typical ConfigurationChapter 3 BTS3900A Typical Configuration
HUAWEI TECHNOLOGIES CO., LTD. Page 68All rights reserved
BTS3900A Typical Configuration
� The BTS3900A supports omni-directional, 2-sector, 3-sector, and 6-sector configurations. It also supports smooth capacity expansion from 1 x 1 to 3 x 8.
� This takes the WBBPa module that supports 3-sector and WRFU module that
supports 80 W/4 carrier as an example to describe the configurations of the
BTS3900A
www.huawei.com
Thank You