50845288-RNC6900

www.huawei.com

Copyright © 2007 Huawei Technologies Co., Ltd. All rights reserved.

BSC6900 HardwareSystem Structure

Copyright © 2007 Huawei Technologies Co., Ltd. All rights reserved. Page2

Contents

1 BSC6900 System Overview

2 BSC6900 Hardware Structure

3 BSC6900 Signal Flows


RNC in WCDMA System

RNC

RNC

NodeB

NodeB

NodeB

CS

PS

CBC

UE UTRAN CNUu Iu

Iu-CS

Iu-PS

Iu-BC

Iur

Iub

Iub

Iub


Capacity

HW68 R11 Board


Capacity HW69 R11 Board


Contents


2 BSC6900 Hardware Structure2 BSC6900 Hardware Structure



Contents


2.1 BSC6900 Cabinets and Subracks

2.2 BSC6900 Boards

2.3 BSC6900 Cables


BSC6900 Cabinets

EPS

MPS

MPR EPR

Full Configuration

MPR: Main processing rack

EPR: Extended processing rack

MPS: Main processing subrack

EPS: Extended processing

subrack

EPSEPS

EPS

EPS


Item Specification

Outline

dimensioning

(mm)

2200 （ H ） ×60

0 （ W ） ×800 （

D ）

Height of

available space 46U

Weight 140~350kg

Power

consumption

RSR: 4,650W

RBR: 4,660 W

BSC6900 Cabinets

Front View Rear View


BSC6900 Subrack

12 U shielding subrack of Huawei

28 slots with backplane is positioned in the middle

Front View Rear View


Contents



2.2 BSC6900 Boards

2.3 BSC6900 Cables


Boards in MPS

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

O M U a

20 21

RINT

RINT

RINT

RINT

24 25 26 27

O M U a

22 23

CSU a

SPUa

SPUa

CSUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

GCUa

GCUa

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board

Backplane

Front

board


Boards in EPS

Backplan

e

Front

board

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

RINT

RINT

RINT

RINT

24 25 26 27

SPUa

SPUa

SPUa

SPUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

DPUb

DPUb

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board RINT

20

RINT

21

RINT

22

RINT

23


RNC Logical Structure

LMT/M2000

clock synchronization subsystem

switching subsyste

m

transport subsyste

m

service processing subsystem



BAMBAM

RNC

To NodeB

To MSC

To other RNC

To SGSN

Clock signal

Subsystem


RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

O M U a

20 21

RINT

RINT

RINT

RINT

24 25 26 27

O M U a

22 23

CSU a

SPUa

SPUa

CSUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

GCUa

GCUa

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board

Backplane

Front

board

Switching Subsystem MPS


Backplan

e

Front

board

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

RINT

RINT

RINT

RINT

24 25 26 27

SPUa

SPUa

SPUa

SPUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

DPUb

DPUb

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board RINT

20

RINT

21

RINT

22

RINT

23

Switching Subsystem EPS


Switching Subsystem Inter-Subrack Connection


Switching Subsystem SCUa: Switching and Control Unit

High-speed backplane channel in each subrack


Switching Subsystem

Functions

Providing internal Medium Access Control (MAC)

switching

Enabling convergence of ATM and IP networks

Providing a service switching channel for EPS

Providing an OM channel for EPS

Distributing timing signal and RFN signal to EPS boards


SCUa Board

Port Name Function Type

10/100/1000BASE

-TFor inter-subrack connection

RJ45

COM Serial port for commissioning RJ45

CLKIN

Receiving the 8 kHz and the

1PPS timing signals from the

GCUa/GCGa

RJ45

TESTOUT Test the timing signal output SMB

male

FunctionsMain control board for configuration and maintenance

Support GE Switching for local subrack

Provide synchronous clock and time synchronous information

Working mode

Locate in 6th and 7th slot in active and standby mode

Work in full-interconnection and dual-plane mode among subracks

SCUa

PARC

RUN

ALM

ACT

CO

M

TESTOUT

CL

KIN

ACTLINK

10

/10

0/1

00

0B

AS

E-T

RESET

ACTLINK

8

9

0

1

2

3

4

5

6

7

11

10

ACTLINK


Service Processing Subsystem

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

O M U a

20 21

RINT

RINT

RINT

RINT

24 25 26 27

O M U a

22 23

CSU a

SPUa

SPUa

CSUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

GCUa

GCUa

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board

Backplane

Front

board

MPS


Backplan

e

Front

board

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

RINT

RINT

RINT

RINT

24 25 26 27

SPUa

SPUa

SPUa

SPUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

DPUb

DPUb

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board RINT

20

RINT

21

RINT

22

RINT

23

Service Processing Subsystem EPS





RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

O M U a

20 21

RINT

RINT

RINT

RINT

24 25 26 27

O M U a

22 23

CSU a

SPUa

SPUa

CSUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

GCUa

GCUa

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board

Backplane

Front

board

SPM in MPS


Backplan

e

Front

board

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

RINT

RINT

RINT

RINT

24 25 26 27

SPUa

SPUa

SPUa

SPUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

DPUb

DPUb

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board RINT

20

RINT

21

RINT

22

RINT

23


SPM in EPS


XPUa

PARC

RUN

ALM

ACT

10/1

00/

1000

BA

SE

-T

ACTLINK

0

1

2

3

SPUa Board Component

Four independent subsystems

Motherboard-subboard structure

Two sub-boards

Each has two CPU subsystems

Function

Processing signaling and algorithm

Iub/Iur/Iu interface signaling processing

Wireless and transport resource

management


DPUa

PARC

RUN

ALM

ACT

DPUb Board Component

22 DSPs in one board

Function

Processing data of wireless frame protocol


RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

O M U a

20 21

RINT

RINT

RINT

RINT

24 25 26 27

O M U a

22 23

CSU a

SPUa

SPUa

CSUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

GCUa

GCUa

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board

Backplane

Front

board

MPS

Clock Synchronization Subsystem





RINT

RINT

SCUa

RINT

RINT

SCUa

SCUa

GCUa/GCGa

Clock module

RSS

8kHz

To NodeB

To NodeBTo NodeB

RBS RBS

19.44MHz, 32.768MHz, 8KHz

19.44MHz, 32.768MHz, 8KHz

19.44MHz, 32.768MHz, 8KHz

8kHz

Clock cableHigh-speed backplane channel

CN BITS GPS Optional


GCUa: General Clock Unit

GCGa: General Clock with GPS Card

Function

Generating system timing signal

Generating RFN signal



Port

nameFunction

Port type

ATN-IN Port for the GPS antennaSMA

female

CLKOUT

0~9

Output 8 kHz timing signals and 1PPS

timing signals

RJ45

COM0 Reserved RJ45

COM1 Port for 422-level 8kHz timing signals RJ45

TESTOUT Testing timing signal outputSMB

male

TESTINTesting timing signal input of 2 MHz

signals

SMB

male

CLKIN0Inputting BITS timing and line timing

signals

SMB

male

CLKIN1Inputting BITS timing and line timing

signals

SMB

male

GCUa/GCGa Board


RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

O M U a

20 21

RINT

RINT

RINT

RINT

24 25 26 27

O M U a

22 23

CSU a

SPUa

SPUa

CSUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

GCUa

GCUa

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board

Backplane

Front

board

RINT in MPS

Transport Subsystem


Backplan

e

Front

board

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

RINT

RINT

RINT

RINT

24 25 26 27

SPUa

SPUa

SPUa

SPUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

DPUb

DPUb

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board RINT

20

RINT

21

RINT

22

RINT

23

Transport Subsystem RINT in EPS


Transport Subsystem

RINT Interface

AEUa 32 channels ATM over E1/T1/J1 interface Iub/IuCs/Iur

AOUa Two optical ports for ATM over channelized STM-1 Iub/IuCs/Iur

UOIa Four unchannelized STM-1 optical ports Iub/IuCs/Iur,

IuPs

PEUa 32 channels of IP over PPP/MLPPP over E1/T1 Iub/IuCs/Iur

FG2a Eight FE ports or two GE electrical ports Iub/IuCs/Iur,

IuPs

GOUa Two GE optical ports Iub/IuCs/Iur,

IuPs

RINT: RNC Interface Board


AEUa Board Function

Providing 32 channels of ATM over E1/T1/J1 for

Iub, Iur and Iu-CS

Supporting IMA, UNI, Fractional ATM, fractional IMA

Supporting Timeslot cross-connection

Supporting AAL2 switching

Supporting Intra-board ATM switching

Extracting line clock and outputting

synchronization signals to GCUa

Outputting synchronization signals to the

NodeB


AOUa Board Function

Providing two optical ports for ATM over

channlized STM-1 Supporting Iu-CS, Iur, and Iub interface

Supporting IMA and UNI

Supporting AAL2 switching

Supporting Intra-board ATM switching



Outputting synchronization signals to the NodeB


UOIa Board Function

Providing 4 unchannelized STM-1 optical ports Supporting ATM over SDH

Supporting Iu-CS, Iu-PS, Iur, and Iub



Outputting synchronization signals to the

NodeB


PEUa Board Function

Providing 32 channels of IP over PPP/MLPPP over

E1/T1/J1

Supporting Iu-CS, Iur, and Iub

Providing the fractional IP function

Supporting timeslot cross-connection



Outputting synchronization signals to the NodeB


FG2a Board Function

Providing 8 FE or 2 GE electrical

ports Providing IP over FE or GE



GOUa Board Function

Providing two GE optical ports Providing IP over GE



OM Subsystem

RINT

RINT

RINT

RINT

RINT

RINT

14 15 16 17 18 19

O M U a

20 21

RINT

RINT

RINT

RINT

24 25 26 27

O M U a

22 23

CSU a

SPUa

SPUa

CSUa

SPUa

SPUa

00 01 02 03 04 05

DPUb

DPUb

GCUa

GCUa

10 11 12 13

SCUa

SCUa

DPUb

DPUb

06 07 08 09

Backplane

Rear board

Backplane

Front

board

MPS


OM Subsystem

SCUa

SCUa

HUB

OMUa

OMUa

SCUa

SCUa

Alarm box LMT

External network

RSS

To M2000

Internal network

RBS

Ethernet cable

Serial cable


OM Subsystem OMUa: Operation and Maintenance Unit

Supporting two CPU, 2G memory

Supporting three ETH port (10/100/1000M Base-T self-adaptation)

Four USB(USB2.0) ports

Installed only in slots 20 and 21, or slots 22 and 23 in RSS


OMUa Board

1 Captive screw 2 Shielding finger

3 Ejector lever 4 LED (RUN)

5 LED (ALM) 6 LED (ACT)

7 Button (RESET) 8 Button (SHUTDOWN)

9 USB port 10 Ethernet port (ETH0)

11 Ethernet port (ETH1) 12 Ethernet port (ETH2)

13 COM port 14 VGA port

15 LED (HD) 16 LED (OFFLINE)

17 Hard disk 18 Screw for fixing the hard disk


Contents



2.2 BSC6900 Boards

2.3 BSC6900 Cables


BSC6900 Cable Distribution Figure


Main Cables Trunk Cables

75Ω coaxial cable and Y-shaped 75-ohm coaxial cable

120Ω twisted pair cable and Y-shaped 120-ohm twisted pair cable

Network Cables Straight through network cable

used to connect the OMUa board to other devices

Crossover network cable used to connect the SCU board

Optical Fibers LC/PC-SC/PC single-mode optical cable

LC/PC-FC/PC single-mode optical cable


Y-Shaped E1/T1 cable

E1/T1 cable is used to connect E1/T1/J1 port

The Y-shaped 75-ohm coaxial cable/ 120-ohm coaxial

cable Two DB44 connectors at one end

Each connector with a structure of 2 x 8 cores

The 16 micro coaxial cables form eight E1 RX/TX links


Y-shaped RNC Clock Signal Cable

One RJ45 connector end

Connected to the port CLKIN on SCUa

Two RJ45 connectors end

Connected to ports CLKOUT on 2 GCUa in the RSS subrack

(1)(2)

(1)

(1)


3

Optical Cables

LC/PC-SC/PC single-mode optical cable

LC/PC-FC/PC single-mode optical cable

It is used to connect the other NEs


Network Cable

Crossover network cable

Connecting the SCU boards

Straight-through network cable

Connecting the OMUa board with other devices


Monitoring Signal Cable of RNC Power Distribution Box

A DB9 connector at one end

A DB15 connector at the other end

X1: DB9 connector X2: DB15 connector SHELL: Metal case


RNC Alarm Box Signal Cable

Used to transmit alarm information to the alarm box

For display audible and visible warning

X1: RJ45 connector X2: DB9 connector


Contents





BSC6900 Signal Flows

Control plane message flows

Uu interface message flow

Iub/Iur/Iu interfaces message flows

User plane data flows

CS data flow

PS data flow

MBMS Service data flow


Control Plane Message Flow Uu Interface Message Flow

Intra-RNC Control Message Flow on Uu Interface

R INT

NODEBUE

NODEBUESPUa

SPUa

DPUb

DPUb

RINT

RSS

SPM SPM

RNC


RINT

SPUa

SPUa

DPUb

DPUb

RINT

SPM SPM

DRNC

RINT

SRNC

NODEBUE

Control Plane Message Flow Uu Interface Message Flow

Inter-RNC Control Message Flow on Uu Interface


NODEBUE

NODEBUE RINT

SPUa

DPUb

SPUa

DPUb

RINT

RSS

SPM SPM

RNC

Control Plane Message Flow Iub Interface Message Flow


RINT

SPUa

DPUb

SPUa

DPUb

RINT

RSS

SPM SPM

RNC

MSC/SGSN/other RNC

Control Plane Message Flow Iu/Iur Interface Message Flow


User Plane Data Flow

NODEBUE

MSC/SGSN

RINT

SPUa

DPUb

SPUa

DPUb

RINT

RSS

SPM SPM

RNC

RINT

NODEB UE

Data Flow Between Iub and Iu-CS/Iu-PS

Intra-RNC Data Flow


RINT

SPUa

SPUb

DPUa

DPUb

RINT

SPM SPM

DRNC

RINT

SRNC

NODEBUE

RINT

MSC/SGSN

User Plane Data Flow Data Flow Between Iub and Iu-CS/Iu-PS

Inter-RNC Data Flow


NODEBUE

RINT

DPUb

SPUa

RINT

RSS

SPM

RNC

CSUa

SGSN

User Plane Data Flow MBMS Service Data Flow

Thank youwww.huawei.com

50845288-RNC6900

Documents

extracting

outputting

clock synchronization

service processing

ge supporting

crossover

ge optical

mode optical