Huawei Wcdma Bts3900 Course

7/27/2019 Huawei Wcdma Bts3900 Course

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WCDMA BTS3900

Hardware Structure


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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 WCDMA Main Processing and Transmission Unit

WBBPa WCDMA Baseband Process unit Type A

WRFU WCDMA Radio Filter Unit

UBFA Universal BBU Fan Unit Type A

UEIU Universal Environment Interface unit

UELP Universal E1/T1 Lighting Protection unit

UFLP Universal FE/GE Lighting Protection unitUPEU Universal Power and Environment Interface Unit

UAEU Universal ATM over E1/T1 Interface and Processing Unit

UIEU Universal IP Packet over E1/T1 Interface and Processing Unit

UTRP Universal Transmission Processing Unit

DCDU-01 Direct Current Distribution Unit-01

CPRI Common Protocol Radio Interface

PSU The power supply unit

PMU The power and environment monitoring unit

APM Advanced Power Module


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NodeB Position in UMTS

Network

Iu-BC

RNC

RNC

NodeB

NodeB

NodeB

CS

PS

CBC

UE UTRAN CN

Uu Iu

Iu-CS

Iu-PS

Iu-BC

Iur

Iub

Iub


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NodeB System Architecture

Environment

Monitoring

device

Iub

Uu

UE

RNC

BTS3900 cabinet

O&M terminal

BTS3900 System

power supply

system

GPS antenna & feeder system

Clock synchronization source

Internal Clock

Antenna & feeder

subsystem

Transmission

deviceDDF


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Chapter 1 NodeB Overview


Chapter 3 BTS3900 Typical Configuration


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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 Parameters

Dimensions 600(W)*900(H)*450(D)

Empty cabinet 70kg

Weight under full

configuration

160Kg

3*1 and 3*2 Weight 120Kg

- 48V : Input range ofvoltage

-38.4V DC to -57V DC

+24V: Input range ofvoltage

+21.6 V DC to +29 V DC

200 V AC to 240 V AC 200 V AC to 240 V AC 176 V AC to

290 V AC, single-phase

200 V AC/346 V AC to240 V AC/415V AC

176 V AC/304 V AC to 290 V AC/500V AC, three-phase

Working Temperature -20+50


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BTS3900 Single Cabinet Full

Configuration Structure

+ 24VDC

Single Cabinet

220V AC

Single Cabinet

- 48VDC

Single Cabinet

1U

9U

2U

1U

1U

19U

2U

2U

1U


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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 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 functionsRET , HSDPA , HSUPA phase II


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BTS3900 Logical Structure

PSU

RF Module

DCDU

WRFU

RNC

Antenna

Iub

WRFU

BBU

Power

Module

Baseband Transmission

Control module

+24V/220V -48V

Signal Current


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Logical Structure of the

BBU3900 Module

TO WRFU

Clock modeSignaling

Processing

Operation&

MaintenancePower mode

E1/T1

FE

Transport

Interface

Transmission

Adaptation

Protocol

Processing

FPProcessing

Codling

Decoding Demodulation

Modulation

Interface

Module

Transport Subsystem Baseband Subsystem

Control Subsystem

External SubsystemOMC

CPRI

RNC

Power

Control

information


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BBU3900 Module Introduction

Mandatory boards and modulesWMPT, WBBP, UBFA, and UPEU

The optional boards are the UELP, UFLP, UTRP, and UEIU.

Full configuration

Typical configuration


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BBU3900 Module Introduction

Slot

16

Slot 18

Slot 19

SLOT0

SLOT1

SLOT2

SLOT3

SLOT4

SLOT5

SLOT6

SLOT7

Active and standby slot definition only for

UTRP board

B

FA

PEU/

EIU

PEU/

EIU

WBBP

WBBP

WBBP

WBBP

UTRP

UTRP

WMPT

WMPT

Slot boards definition

availableUFLP

availableUELP

availableavailableavailableavailableWBBP

availableavailableavailableavailableavailableavailableUTRP

availableavailableWMPT

Slot 7Slot 6Slot 5Slot 4Slot 3Slot 2Slot 1Slot 0Board

available

available


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BBU Module --- WMPT Board

Board number

maximum is 2 for one BBU

mandatory board

working in active and standby

4E1:DB26

IP transmission on

Electrical Port :RJ45

IP transmission Optical

signals: SFP

GPS antenna: SMA

Commissioning:RJ45

Loading Testing:USB

LEDs

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


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BBU Module --- WMPT Board LEDs of running status of WMPT:

Label Color Status Description

RUN Green ON The board has power input, yet the board is faulty.

OFF The board has no power input.

1s ON, 1s OFF The board is running as configured.

0.125s ON, 0.125s OFF The software is being loaded to the board, or the

board is not in use.

ALM Red ON The board is reporting hardware alarms.

OFF The board is running properly.

ACT Green ON The board is in active mode.

OFF The board is in standby mode.


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BBU Module --- WMPT Board

LED Color Status Description

LEDs beside the

FE1 and FE0 optical

port

Green ON The connections are functional.

OFF The connections are faulty.

Yellow Blinking There is ongoing data transmission.

OFF There is no data transmission.

LEDs beside the

ETH port

Green ON The connections are functional.

OFF The connections are faulty.

Yellow Blinking There is ongoing data transmission.

OFF There is no data transmission.


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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

75-ohm E1

Unbalanced Mode

1 ON OFF ON

2 ON OFF ON

3 OFF ON ON

4 OFF ON ON

Settings of SW2

Bit 120-ohm E1

Balanced Mode

75-ohm E1

Unbalance

d Mode

Description

1 OFF ON The RRING is for

connected to the

protection ground2 OFF ON

3 OFF ON

4 OFF ON


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BBU Module --- WBBPa Board

Board numbermandatory board, 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 chip processing capability, WBBP module include

seven specifications. Current WBBP is the A version, called WBBPa.

CPRI 0~2 (1.25G-2.5G): SFP LEDs


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BBU Module --- WBBPa Board LED of running status of board :



OFF The board has no power input or is faulty.

1s ON, 1s OFF The board is running properly.

0.125s ON/OFF Software is being loaded to the board.

ACT Green ON The board is running properly.

OFF The board is not in use.

ALM Red OFF The board is running properly.

ON The board has alarms on hardware and it should be replaced with a new one.

CPRI0

CPRI1

CPRI2

Red

Green

OFF normal

ON The CPRI links over the optical cable are faulty.

Blinking at 2 Hz The RRU on the CPRI link is faulty in hardware.

Blinking at 0.5 Hz 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 Cell

Uplink R99

/HSUPA CE

Downlink

R99 CE HSDPA Capacity HSUPA

WBBPa 3 cells 128 256 45 HS-PDSCH codes Phase 1

WBBPb1 3 cells 64 64 45 HS-PDSCH codes Phase 1





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STATE Green 0.125s ON,0.125s OFF

The module is not registered, and noalarm is reported.


Red ON The module is reporting alarms.

BBU Module --- UBFA Board

Board numbermandatory board, maximum is 1

Main Functions

Controlling the fan speed

Reporting the fan status to the WMPT Detecting the temperature of the fan board


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Panel of the UPEA Panel of the UPEB

BBU Module --- UPEU Board

Board numbermandatory, 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 8 dry contact alarm signals

-48V to +12V +24V to +12V


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LED: The UPEU has one LED, indicating the running status of the board.


RUN Green ON The board is running properly.

OFF The board has no power input, or

the board is faulty.

Socket and Port: The UPEU has one socket and four ports.

Label Quantity Connector Type Function

PWR 1 3V3 DC power input

EXT-ALM1 1 RJ45 Transmitting dry contact alarm signalsEXT-ALM0 1 RJ45

MON1 1 RJ45 Transmitting RS485 environment

monitoring signalsMON0 1 RJ45

BBU Module --- UPEU Board


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The UTRP provides ports for eight E1s/T1s and implements transport such as IP and

ATM between the BBU3900 and the RNC.



OFF The board has no power input or is faulty.


0.125s ON, 0.125s OFF Software is being loaded to the board.

2s ON, 2s OFF The board is under test.

ACT Green ON The board is in active mode.

OFF The board is in standby mode.

ALM Red OFF The board is running properly.

ON The board is reporting alarms and is faulty.

BBU Module --- UTRP Board

4 E1:DB26


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BBU Module --- UTRP Board

TypeWCDMA 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 three sub-boards in current version

UAEU: Eight ATM over E1s/T1s

UIEU: Eight IP over E1s/T1s

UUAS: One unchannelized ATM over SDH/SONET(STM-1/OC-3) interface

The board in gray table is not be delivered currently.

Board Port

UTRP2 Two universal FE/GE optical port

UTRP3 Ports for eight channels of ATM over E1/T1

UTRP4 Ports for eight channels of IP over E1/T1

UTRP6 Port for one unchannelized STM-1/OC-3

UTRP9 Four universal FE/GE electrical ports


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Label Connector Type

MON0 RJ45

MON1 RJ45

EXT-ALM0 RJ45

EXT-ALM1 RJ45

BBU Module --- UEIU Board

Port : The UEIU has four ports.

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


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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 optionalmodule 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


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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


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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

DIP Status Description

1 2 3 4

S1 ON ON ON ON Used for the 75

unbalanced modeOFF OFF OFF OFF Used for other

modes except the 75

unbalanced mode

BBU Module --- UELP Board


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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 Equipment

LAN switch or Router


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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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Type Label Connector Type Description

Port for

transceiving RF

signals

ANT-RXB DID connector Connecting the antenna

subsystem

ANT-TX/RXA DID connector

CPRI CPRI0 SFP female

connector

Connecting the BBU, or

the upper-level WRFU

during the cascading

CPRI1 SFP female

connector

Connecting the lower-

level WRFU during the

cascading

Interconnection port

for RF receive

signals

RX-INB QMA female

connector

Input port of diversity

signals in the antenna

channel

RX-OUTA QMA female

connector

Output port of diversity

signals in the antenna

channel

Power port PWR 3V3 power

connector

Introducing power

Commissioning port MON RJ45 connector Used for commissioning


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Identifier Status Meaning

RUN On The power input is normal, but the module is faulty.

Off There is no power input, or the module is faulty.

On for 1 second and off for 1 second The module is functional.

On for 0.125 second and off for 0.125

second

The module is loading software or is not started.

ALM On The module is in the alarm status.

Off No alarm is generated.

ACT On The module is functional and is connected to the BBU.

Off The module is not connected to the BBU.

On for 1 second and off for 1 second The module is in the local test status.

VSWR Off (red) No VSWR alarm is generated.

On (red) A VSWR alarm is generated.

CPRI0

CPRI1

On (green) The CPRI link is normal.

On (red) The interface module fails to receive signals.

Red LED on for 1 second and off for

1 second

The CPRI link is out of lock.



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P Di t ib ti M d f


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Power Distribution Modes of

the BTS3900 220 V AC Distribution


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220V AC Power Subrack ---


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220V AC Power Subrack

PSU(AC/DC) Board

(1) Power running LED

(2) Protection LED

(3) Fault 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.

220V AC Power Subrack --- PSU(AC/DC)


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220V AC Power Subrack --- PSU(AC/DC)

Board

LED Color Status Meaning

Power

running

LED

Green On Normal

Off There are faults (such as no AC input, or overvoltage and

undervoltage of AC input) on the mains, or the PSU has no output.

Protection

LED

Yellow Off Normal

On Temperature pre-alarm or fan pre-alarm

Fault LED Red Off 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.

On There is no output because of output overvoltage shutdown, fan

fault, overtemperature shutdown, remote shutdown, or internalproblems of the PSU.


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Cables --- Transmission Cable

E1 Cable

FE Surge Protection Transfer CableE1 Surge Protection Transfer Cable

FE 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 The Other End

CPRI port on the WBBP CPR10 port on the WRFU


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Configuration Types of the


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g yp

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.

Huawei Wcdma Bts3900 Course

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