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WCDMA BTS3900 Hardware Structure
BTS3900V200R010WRAN Training Team
www.huawei.com
HUAWEI TECHNOLOGIES CO., LTD.
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As an important part of UTRAN,
NodeB mainly processes the signals of physical layer of Uu interface BTS3900 is a new generation indoor
marco NodeB which is produced by Huawei Co. Ltd.
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Upon completion of this course, you will be able to:> Master the hardware structure of BTS3900 > Master the working principle of different subsystems and boards of BTS3900 > Master the cables connection rules of BTS3900 > Know typical configurations of BTS3900
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BTS3900 Product Description BTS3900 Hardware Description
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Chapter 1 NodeB Overview Chapter 2 BTS3900 Hardware Structure Chapter 3 BTS3900 Typical Configuration
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AbbreviationsWMPT WBBPa WRFU UBFA UEIU UELP UFLP UPEU UAEU UIEU UTRP DCDU-01 CPRI PSU PMU APM WCDMA Main Processing and Transmission Unit WCDMA Baseband Process unit Type A WCDMA Radio Filter Unit Universal BBU Fan Unit Type A Universal Environment Interface unit Universal E1/T1 Lighting Protection unit Universal FE/GE Lighting Protection unit Universal Power and Environment Interface Unit Universal ATM over E1/T1 Interface and Processing Unit Universal IP Packet over E1/T1 Interface and Processing Unit Universal Transmission Processing Unit Direct Current Distribution Unit-01 Common Protocol Radio Interface The power supply unit The power and environment monitoring unit Advanced Power Module
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NodeB Position in UMTS NetworkUEUu
UTRANIu
CN
RNCIub Iu-BC NodeB
Iu-CS
CS Iu-PS
IurNodeB Iu-BC PS
Iub
NodeB
RNCCBC
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NodeB System ArchitectureClock synchronization source Uu UE
Antenna & feeder subsystem
GPS antenna & feeder system
Internal Clock RNC
BTS3900 cabinet power supply system DDF
Iub Transmission device
Environment Monitoring device O&M terminal
BTS3900 System
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Chapter 1 NodeB Overview Chapter 2 BTS3900 Hardware Structure Chapter 3 BTS3900 Typical Configuration
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Chapter 2 BTS3900 Hardware Structure Section 1 BTS3900 Introduction Section 2 BBU Modules Structure Section 3 RF Modules Structure Section 4 Power Modules Structure Section 5 BTS3900 Cables
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BTS3900 AppearanceType Dimensions Empty cabinet Weight under full configuration 3*1 and 3*2 Weight - 48V : Input range of voltage +24V: Input range of voltage 200 V AC to 240 V AC 200 V AC/346 V AC to 240 V AC/415V AC Working Temperature Parameters 600(W)*900(H)*450(D) 70kg 160Kg 120Kg -38.4V DC to -57V DC +21.6 V DC to +29 V DC 200 V AC to 240 V AC 176 V AC to 290 V AC, single-phase 176 V AC/304 V AC to 290 V AC/500 V AC, three-phase
-20
+50
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BTS3900 Single Cabinet Full Configuration Structure1U
9U
19U 2U1U
1U 2U 1U 2U
- 48VDC Single CabinetHUAWEI TECHNOLOGIES CO., LTD.
+ 24VDC Single CabinetAll rights reserved Page 12
220V AC Single Cabinet
BTS3900 Stacked Cabinets Full Configuration Structure
3U
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BTS3900 Capacity and Characteristics System capacity specifications:
> BTS3900 can support up to: uplink 1536 CEs and downlink 1536 CEs > BTS3900 can support up to: 3*8 cells or 6*4 cells Characteristics
> Transmission Type: E1/T1, FE (electrical port ), FE (optical port ), > Networking mode: star, chain, tree, ring and hybrid > 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 RET , HSDPA , HSUPA phase II
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BTS3900 Logical Structure+24V/220V -48V
PSU
Power Module
DCDU
WRFU Iub RNC Baseband Transmission Control module BBU WRFU RF Module Antenna
Signal
Current
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Chapter 2 BTS3900 Hardware Structure Section 1 BTS3900 Introduction Section 2 BBU Modules Structure Section 3 RF Modules Structure Section 4 Power Modules Structure Section 5 BTS3900 Cables
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Logical Structure of the BBU3900 ModuleOMC Control Subsystem External Subsystem
Clock mode
Signaling Processing
Operation& Maintenance
Power mode
Decoding FP Processing E1/T1 FE Transport Interface Transmission Adaptation Protocol Processing
DemodulationPower Control information
RNC
Interface CPRI TO WRFU Module
Codling Transport Subsystem
Modulation
Baseband Subsystem
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BBU3900 Module Introduction Full configuration
Typical configuration
Mandatory boards and modules
WMPT, WBBP, UBFA, and UPEU
The optional boards are the UELP, UFLP, UTRP, and UEIU.
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BBU3900 Module IntroductionSlot 16 SLOT0 SLOT1 SLOT2 SLOT3 SLOT4 SLOT5 SLOT6 SLOT7 Slot 19 Slot 18 B F A WBBP WBBP WBBP WBBP UTRP UTRP WMPT WMPT PEU/ EIU PEU/ EIU
Active and standby slot definition only for UTRP board
Slot boards definition
Board WMPT UTRP WBBP UELP UFLP
Slot 0
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6 available
Slot 7 available
available available
available available
available available
available available
available available available available
available available available available
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BBU Module --- WMPT BoardIP transmission on Electrical Port :RJ45 Loading Testing:USB GPS antenna: SMA
LEDs Commissioning:RJ45 IP transmission Optical signals: SFP Main Functions
4E1:DB26
Board number
> maximum is 2 for one BBU > mandatory board > working in active and standby
>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
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BBU Module --- WMPT Board LEDs of running status of WMPT:
Label RUN
Color Green
Status ON OFF 1s ON, 1s OFF 0.125s ON, 0.125s OFF
Description The board has power input, yet the board is faulty. The board has no power input. The board is running as configured. The software is being loaded to the board, or the board is not in use. The board is reporting alarms and is faulty. The board is running properly. The external ports of the board are faulty. The board is in active mode. The board is in standby mode.
ALM
Red
ON OFF Blinking
ACT
Green
ON OFF
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BBU Module --- WMPT Board
LED LEDs beside the FE1 and FE0 optical port
Color Green
Status ON OFF
Description The connections are functional. The connections are faulty. There is ongoing data transmission. There is no data transmission. The connections are functional. The connections are faulty. There is ongoing data transmission. There is no data transmission.
Yellow
Blinking OFF
LEDs beside the ETH port
Green
ON OFF
Yellow
Blinking OFF
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BBU Module --- WMPT Board Two DIP Switches :
> SW1 for setting the E1/T1 working mode > SW2 for setting the protection ground for the E1.Settings of SW1 Bit T1 Mode 120-ohm E1 Balanced Mode OFF OFF ON ON 75-ohm E1 Unbalanced Mode ON ON ON ON
1 2 3 4
ON ON OFF OFF
Settings of SW2 Bit 75-ohm E1 Unbalanced Mode ON ON ON ON Description
1 2 3 4
The RRING is for connected to the protection ground.
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BBU Module --- WBBPa BoardCPRI 0~2 (1.25G-2.5G): SFP LEDs
Board number Main Functions
mandatory board, maximum is 6
> 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 chip processing capability, WBBP module include seven specifications. Current WBBP is the A version, called WBBPa.HUAWEI TECHNOLOGIES CO., LTD. All rights reserved Page 24
BBU Module --- WBBPa Board LED of running status of board :Label RUN Color Green Status ON OFF 1s ON, 1s OFF 0.125s ON/OFF ACT Green ON OFF ALM Red OFF ON Blinking CPRI0 CPRI1 CPRI2 Red Green OFF ON Blinking at 2 Hz Blinking at 0.5 Hz Description The board has power input, yet the board is faulty. The board has no power input or is faulty. The board is running properly. Software is being loaded to the board. The board is running properly. The board is not in use. The board is running properly. The board has alarms on hardware and it should be replaced with a new one. The external ports of the board are faulty and should be handled. normal The CPRI links over the optical cable are faulty. The RRU on the CPRI link is faulty in hardware. The RRU on the CPRI link is faulty in the antenna system connection.
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BBU Module --- WBBP Board There are 2 kinds of Baseband card, WBBPa and WBBPb. >The WBBPa support HSDPA (2 ms TTI) and support for HSUPA phase I (10 ms TTI). >The WBBPb support HSDPA (2 ms TTI), and support for HSUPA phase II (2 ms TTI).
Board Type WBBPa WBBPb1 WBBPb2 WBBPb3 WBBPb4 Cell 3 cells 3 cells 3 cells 6 cells 6 cells
Uplink R99 /HSUPA CE 128 64 128 256 384
Downlink R99 CE 256 64 128 256 384 HSDPA Capacity 45 HS-PDSCH codes 45 HS-PDSCH codes 45 HS-PDSCH codes 90 HS-PDSCH codes 90 HS-PDSCH codes
HSDPA throughput 15Mbps 15Mbps 15Mbps 30Mbps 30Mbps
HSUPA throughput 6Mbps 6Mbps 6Mbps 12Mbps 12Mbps
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BBU Module --- UFAN Board
Board number Main Functions
mandatory board, maximum is 1
> Controlling the fan speed > Reporting the fan status to the WMPT > Detecting the temperature of the fan boardLabel STATE Color Green Status 0.125s ON, 0.125s OFF 1s ON, 1s OFF Red ON Description The module is not registered, and no alarm is reported. The board is running properly. The module is reporting alarms.
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BBU Module --- UPEU Board Panel of the UPEA
Panel of the UPEB
-48V to +12V
+24V to +12V
Board number Main Functions
mandatory, maximum is 2, 1+1 backup
> 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 8 dry contact alarm signalsHUAWEI TECHNOLOGIES CO., LTD. All rights reserved Page 28
BBU Module --- UPEU Board LED: The UPEU has one LED, indicating the running status of the board.
Label RUN
Color Green
Status ON OFF
Description The board is running properly. The board has no power input, or the board is faulty.
Socket and Port: The UPEU has one socket and four ports.
Label PWR EXT-ALM1 EXT-ALM0 MON1 MON0
Quantity 1 1 1 1 1
Connector Type 3V3 RJ45 RJ45 RJ45 RJ45
Function DC power input Transmitting dry contact alarm signals
Transmitting RS485 environment monitoring signals
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BBU Module --- UTRP Board
The UTRP provides ports for eight E1s/T1s and implements transport such as IP and ATM between the BBU3900 and the RNC.4 E1:DB26
Label RUN
Color Green
Status ON OFF 1s ON, 1s OFF 0.125s ON, 0.125s OFF 2s ON, 2s OFF
Description The board has power input, yet the board is faulty. The board has no power input or is faulty. The board is running properly. Software is being loaded to the board. The board is under test. The board is in active mode. The board is in standby mode. The board is running properly. The board is reporting alarms and is faulty.
ACT
Green
ON OFF
ALM
Red
OFF ON
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BBU Module --- UTRP Board Type WCDMA UTRP extend transmission board
> UTRP board should add sub board to provide the different interface type. > WD22UTRP is the main board name. The UTRP has two sub-boards in current version UAEU: Eight ATM over E1s/T1s UIEU: Eight IP over E1s/T1s > The board in gray table is not be delivered currently.Transmission Board name WD22UEEU WD22UEOU WD22UAEU WD22UIEU WD22UCPU WD22UUPU WD22UCAU WD22UUAU Sub board name WD22UEEC WD22UEOC WD22UAEC WD22UPEC WD22UCPS WD22UUPS WD22UCAS WD22UUAS Interface type FE/GE electrical board FE/GE optical board E1/T1 ATM interface sub board E1/T1 IP interface sub board Channelization IP optical sub board Unchanneliazation IP optical sub board Channelization ATM optical sub board Unchanneliazation ATM optical sub board Interface specification 2*FE/GE (10/100/1000M adaptive) 2*FE/GE (10/100/1000M configurated) 8* E1/T1 8*E1/T1 1*STM-1 1*STM-1 1*STM-1 1*STM-1
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BBU Module --- UEIU Board Board number: maximum is 1 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 Port : The UEIU has four ports.
Label MON0 MON1 EXT-ALM0 EXT-ALM1
Connector Type RJ45 RJ45 RJ45 RJ45
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BBU Module --- SLPU BoardUFLP The auxiliary devices of the
BBU3900. The devices are the SLPU, UELP, and UFLP SLPU: The signal lightning
UELP
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.
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BBU Module --- UELP Board 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. DB25 DB26
E1 Connection:E1 E1
Indoor DDF
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BBU Module --- UELP Board 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.
DIP Switch S1
DIP Status 1 ON OFF 2 ON OFF 3 ON OFF 4 ON OFF
Description
Used for the 75 unbalanced mode Used for other modes except the 75 unbalanced mode
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BBU Module --- UFLP Board UFLP: The universal FE lightning protection (UFLP) board is optionally installed in the
SLPU or BBU. Each UFLP supports 2-way FE surge protection.
IP Cable Connection.Transmission Equipment LAN switch or Router
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Chapter 2 BTS3900 Hardware Structure Section 1 BTS3900 Introduction Section 2 BBU Modules Structure Section 3 RF Modules Structure Section 4 Power Modules Structure Section 5 BTS3900 Cables
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RF Module --- WRFU Board
The WRFU consists of the high-speed interface unit, signal processing unit, power amplifier, and duplex unit
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RF Module --- WRFU BoardType Port for transceiving RF signals Label ANT-RXD ANTTX/RXM CPRI_W Connector Type N series female connector N series female connector SFP female connector SFP female connector QMA female connector QMA female connector 3V3 power connector RJ45 connector Connecting the BBU, or the upper-level WRFU during the cascading Connecting the lowerlevel WRFU during the cascading Input port of diversity signals in the antenna channel Output port of diversity signals in the antenna channel Introducing power Used for commissioning Description Connecting the antenna subsystem
CPRI
CPRI_E
Interconnection port for RF receive signals
LNA1-IN
LNA0-OUT
Power port Commissioning port
POWER COM
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RF Module --- WRFU BoardIdentifierRUN
StatusOn Off On for 1 second and off for 1 second On for 0.125 second and off for 0.125 second
MeaningThe power input is normal, but the module is faulty. There is no power input, or the module is faulty. The module is functional. The module is loading software or is not started. The module is in the alarm status. No alarm is generated. The module is functional and is connected to the BBU. The module is not connected to the BBU. The module is in the local test status. No VSWR alarm is generated. A VSWR alarm is generated. The CPRI link is normal. The interface module fails to receive signals. The CPRI link is out of lock.
ALM
On Off
TX_ACT
On Off On for 1 second and off for 1 second
VSWR
Off (red) On (red)
CPRI_W CPRI_E
On (green) On (red) Red LED on for 1 second and off for 1 second
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RF Module --- WRFU Board RF specifications:
> One WRFU supports four carriers > Each carriers 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 is 200km > The maximum access search radius is configurable with the step size of 300 mConfiguration Type (No Transmit Diversity) 3*1 3*2 3*3 3*4 Transmit Diversity Power (W)/Carrier 20 20 20 20 Typical Power Consumption (W) 520 610 810 1020 Maximum Power Consumption (W) 630 830 1070 1330
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Chapter 2 BTS3900 Hardware Structure Section 1 BTS3900 Introduction Section 2 BBU Modules Structure Section 3 RF Modules Structure Section 4 Power Modules Structure Section 5 BTS3900 Cables
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Power Distribution Modes of the BTS3900
- 48 V DC Distribution
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Power Distribution Modes of the BTS3900 +24 V DC Distribution
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Power Distribution Modes of the BTS3900 220 V AC Distribution
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- 48V Cabinet Power Module --- DCDU-01 Board Function
> The DCDU-01 supports one -48 V DC power input and ten -48 V DC power outputs > The DCDU-01 supplies power to the BBU, WRFU, FAN, and user devices inside cabinets > The DCDU-01 has the built-in surge protector, which supports the surge protection capability of the differential mode of 10 kA and the common mode of 15 kA- 48V DC Single Cabinet HUAWEI TECHNOLOGIES CO., LTD. All rights reserved Page 46
- 48V Cabinet Power Module --- DCDU-01 BoardName Power input wiring terminal Power output port Label NEG(-) RTN(+) SPARE2, SPARE1, BBU, FAN, and RFU5RFU0 Description -48 V NEG input wiring terminal -48 V RTN input wiring terminal y RFU0 to RFU5 supplying power to six WRFUs y BBU supplying power to the BBU y FAN supplying power to the FAN y SPARE1 and SPARE2 reserved Power switch SPARE2, SPARE1, BBU, FAN, and RFU5RFU0 y RFU0 to RFU5 controlling the ON/OFF of the current of six WRFUs y BBU controlling the ON/OFF of the current of the BBU y FAN controlling the ON/OFF of the current of the FAN y SPARE1 and SPARE2 controlling the ON/OF of the current on the SPARE1 and SPARE2 power output ports Alarm output port SPD ALM DUDU-01 dry contact alarm output port All rights reserved Page 47
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+24V Power Subrack --- PSU (DC/DC) Board Function
> Converting +24 V DC power to -48 V DC power and leading the -48 V DC power to the DCDU > Monitoring alarms related to module faults ,alarms related to module protection and power out-of-position alarm
(1) Power running LED (2) Protection LED (3) Fault LED
+ 24V DC Single Cabinet HUAWEI TECHNOLOGIES CO., LTD. All rights reserved Page 48
220V AC Power Subrack --- PSU(AC/DC) Board 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.
(1) Power running LED (2) Protection LED (3) Fault LED 220V AC Single Cabinet HUAWEI TECHNOLOGIES CO., LTD. All rights reserved Page 49
220V AC Power Subrack --- PSU(AC/DC) BoardLED Power running LED Color Green Status On Off Meaning Normal There are faults (such as no AC input, or overvoltage and undervoltage of AC input) on the mains, or the PSU has no output. Normal Temperature pre-alarm or fan pre-alarm 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. There is no output because of output overvoltage shutdown, fan fault, overtemperature shutdown, remote shutdown, or internal problems of the PSU.
Protection LED Fault LED
Yellow
Off On
Red
Off
On
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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.
(1) LEDs (3) RS232/RS422 port (5) COM port
(2) Power supply test ports (4) Battery control switches (1) Backplane port (2) DIP switch
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220V AC Power Subrack --- PMU BoardIdentifier RUN Color Green Status On for 1 second and off for 1 second On for 0.125 second and off for 0.125 second Meaning The module is functional, and the communication with the main control unit is normal. 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/Off ALM Red On The PMU is faulty (not in the power-on self-check state). The following alarms are reported: yMains overvoltage or undervoltage alarm yBusbar overvoltage or undervoltage alarm yPower module alarm yLoad shutdown alarm Off No alarm is generated.
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220V AC Power Subrack --- PMU BoardPort RS232/RS422 port Battery control switch Purpose Communicating with the main control unit The battery control switch has two control ports ON and OFF, which are used for powering on and off the battery. yPress and hold the port ON for 5s to 10s until the battery is powered on. yPress and hold the port OFF for 5s to 10s until the battery is powered off. CAUTION: yYou 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. yTo operate the battery control switch on the front panel of the PMU, insert a small round pole into the hole. Power supply test port COM port Backplane port Two power supply test holes -48 V and 0 V are available for measuring power voltages through an ordinary multimeter. Connecting the external signal transfer board Connecting the backplane
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220V AC Power Subrack --- PMU BoardBit 3
Bit 2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
Bit 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
Bit 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
Monitoring Address 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111
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.
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
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FAN Unit The FAN unit refers to the fan box. The FAN unit provides the functions of ventilation
and heat dissipation for cabinets. One FAN unit has four independent fans.
Type Power port Temperature sensor port
Label -48 V SENSOR
Connector Type 3V3 power connector RJ45 connector
Description Introducing the -48 V DC power Connecting the external temperature sensor Cascading the lowerlevel FAN module Connecting the main control unit Page 55
Communication port
COM OUT COM IN
RJ45 connector RJ45 connector
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Chapter 2 BTS3900 Hardware Structure Section 1 BTS3900 Introduction Section 2 BBU Modules Structure Section 3 RF Modules Structure Section 4 Power Modules Structure Section 5 BTS3900 Cables
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BBU3900 Cable Connection
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Cables --- PGND Cable PGND Cable
OT terminal
Name PGND cable of the BTS3900 WCDMA cabinet PGND cable of the DCDU Front door PGND cable
Color Green and yellow Green and yellow Green and yellow
Cross-Sectional Area The cross-sectional area of a wire is 25 mm2. The cross-sectional area of a wire is 6 mm2. The cross-sectional area of a wire is 6 mm2.
One End Is Connected to ... PGND terminal on the right side of the cabinet PGND terminal on the right side of the DCDU panel PGND terminal at the front door of the cabinet
The Other End Is Connected to ... External grounding bar of the cabinet PGND terminal on the right side of the cabinet PGND terminal in the cabinet
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Cables --- Power Cable Power Cable Between the DCDU,BBU,FAN and WRFU
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Cables --- Transmission Cable
E1 Cable
FE Cable
E1 Surge Protection Transfer Cable
FE Surge Protection Transfer Cable
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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.
One End CPRI port on the WBBP
The Other End CPR1_W port on the WRFU
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Chapter 1 NodeB Overview Chapter 2 BTS3900 Hardware Structure Chapter 3 BTS3900 Typical Configuration
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Configuration Types of the BTS3900 The BTS3900 supports omni-directional, 2-sector, 3-sector, and 6-sector
configurations. It also supports smooth capacity expansion from 1x1 to 3x8. This part illustrates the configuration type of the BTS3900 by taking the WBBPa
supporting three cells and the WRFU supporting the 80W/4 carrier as an example.
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