U-LI 000 BSC6800 System Structure(BSC6800V100R010)

HUAWEI TECHNOLOGIES CO., LTD.

All rights reserved

www.huawei.com

Internal

BSC6800 System Structure

BSC6800V100R010

HUAWEI TECHNOLOGIES CO., LTD. Page 2All rights reserved

RNCs （ Radio Network Controller ） and N

odeBs compose the UTRAN (UMTS Terrest

rial Radio Access Network)

RNC performs the following main functions:

system information broadcasting, handover,

cell resource allocation, radio resource man

agement and so on

Huawei RNC is named as BSC6800


Upon completion of this course, you will be

able to:

Master the system structure of BSC6800

Master the functions of the boards of

BSC6800

Master the signal flows in BSC6800


References

《 RNC System Description 》《 RNC Hardware Reference 》


Chapter 1 BSC6800 System OverviewChapter 1 BSC6800 System Overview

Chapter 2 BSC6800 Cabinets/SubracksChapter 2 BSC6800 Cabinets/Subracks

Chapter 3 BSC6800 BoardsChapter 3 BSC6800 Boards

Chapter 4 BSC6800 CablesChapter 4 BSC6800 Cables

Chapter 5 BSC6800 Signal FlowsChapter 5 BSC6800 Signal Flows

Chapter 6 BSC6800 System NetworkingChapter 6 BSC6800 System Networking

and Configurationand Configuration


Position of 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

The BSC6800 supports up to 40,000 Erlang, in other w

ords, 1,000,000 subscribers, using only six cabinets

The BSC6800 supports up to 960Mbit/s PS Service Pr

ocessing

The BSC6800 supports up to 1,600 NodeBs and 4,800

Cells

The BSC6800 uses Huawei's wideband switching platf

orm, which has a maximum switching capability of 25

Gbit/s

The BSC6800 provides a single-cabinet solution suppo

rting 2,500 Erlang.

62,50062,500

250,000250,000

437,500437,500

625,000625,000

812,500812,500

1,000,0001,000,000


Configuration and Networking

Flexibly configures clock sources: Iu interface, BITS, GPS and local oscillator

Supports star, chain, and tree networking with NodeBs

Supports FE/GE, E1/T1, STM-1 and STM-4

On the Iub interface, IP transmission can be implemented through E1/T1 and

FE separately, and ATM/IP dual stack is supported.

Supports MLPPP, PPP, IMA, UNI, Fractional ATM, CES, Timeslot Cross

Supports HSDPA, HSUPA, HSUPA Phase 2, MBMS, LCS and Iu Flex, etc.










BSC6800 Cabinets

Structural specifications

Cabinet outline dimensions:

2200mm x 600mm x 800mm

(Height x Width x Depth)

Available cabinet space height: 46U

Weight of a single cabinet: 350kg

Cabinet types

WCDMA RNC Switch Rack (WRSR)

WCDMA RNC Business Rack (WRB

R)


BSC6800 Cabinets

to Power Supply

to Clock Source

WRSR WRBR

LMT Alarm

to NodeB

to MSC

to SGSN

to RNC

to NodeB

to M2000 to NodeB

to NodeB


WCDMA RNC Switch Rack (WRSR)

BSC6800 system can hold up to 1 WRSR

WRSR including ： WCDMA RNC Switch Subrack (WRSS)

WCDMA RNC Business Subrack (WRBS)

LAN Switch

Background Administration Module (BAM)

Single WRSR power consumption under full configuration 26≦00W

WRSR

LAN Switch

WRBS

WRSS

BAM

LAN Switch


WCDMA RNC Business Rack (WRBR)

BSC6800 system can hold up to 5 WRBRs

Each WRBR can host up to 3 WRBSs

Single WRBR power consumption under full co

nfiguration 2400W≦

WRBR

WRBS

WRBS

WRBS


WCDMA RNC Switch Subrack (WRSS)

BSC6800 can hold up to 1 WRSS

WCDMA RNC switch module Main Processing board (WMPU)

WCDMA RNC Line Processing board (WLPU)

WCDMA RNC Network switch board (WNETc)

WCDMA RNC High speed Packet processing board (WHPU)

WHPU

WMPU

WLPU

WLPU

WMPU

WLPU

WLPU

WLPU

WNETc

WLPU

WHPU

WHPU

WHPU

WHPU

0 1 2 3 4 5 6 7 9 10 11 12 13 14

WNETc

8


Logical Structure of WRSS

ATM Line

processing unit

Ethernet interface

Ethernet (COBA)

STM-1/STM-4 interface

High speed Packet

processing unit

Plane B

In-band communication

Out-band communication

Clock unit

Main processing

unit

Switching network

unit

Plane A


WCDMA RNC Business Subrack (WRBS)

BSC6800 can hold up to 16 WRBSs

WCDMA RNC INTerface board (WINT)

WCDMA RNC radio Frame processing board (WFMRb)

WCDMA RNC system Multiplexing board (WMUXb)

WCDMA RNC Signaling Processing board (WSPUb)

WFMRb

WI NT

WFMRb

WMUXb

WMUXb

WINT

0 1 2 3 4 5 6 7 8 10 11 12 13 14 15

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb


Logical Structure of WRBSFE/GEE1/T1STM-1interface

SSN 1

SSN 0

High speed backplane bus

Interface processing

unit

L2 processing

unit

Signaling processing unit

Multiplex/ de-multiplex

unit

STM-1 interface


Power Distribution Box

2 groups of 48 V inputs in 1+1 hot backup mode

6 groups of independent 48 V outputs (corresponding to air-break

switches SW1–SW6)

For SW1–SW3, the rated current is 30 A

For SW4–SW6, the rated current is 70 A

detects the input voltage and the output power status inside, and sends

out alarms when there are faults.


Power Distribution Box

WRSS

CONVERTERLCD console

WRBS

GPS

LAN SWITCH

LAN SWITCHSERVERSERVER

SW1&SW4

SW3SW1

SW2&SW5

SW4

SW2

SW3SW5SW6

Assignment of Switches for WRSR

LAN SWITCH

LAN SWITCH

SW6SW3

WRSS

WRBS

SW1&SW4

SW2&SW5

Assignment of Switches for WRBR

WRBSSW3&SW6


Fan Drawer

At the top of each subrack has 1 fan drawer

Each fan drawer has 6 fans

If it need be pulled out when the system is running, the interrupt time

should not exceed 1 minute


LAN Switch

The LAN Switches work in 1+1 hot backup mode

The LAN switch provides 10M/100M adaptive full-duplex Ethernet ports,

Gigabit Ethernet (GE) ports and Virtual LAN (VLAN) functions for the B

SC6800


BAM Server

The 2 IBM servers act as BAM servers and work in active/standby mode

Providing the BSC6800 with such functions as configuration management,

performance management, fault management, security management, and

loading management

As the O&M agent of the M2000/LMTs, providing the M2000/LMTs with th

e BSC6800 O&M interface and controlling communications between the

M2000/LMTs and the BSC6800 host










Slot Number of WRSS Boards

WMPU: in slots 0 and 1

WNETc: in slots 7 and 8

WLPU: in slots 2 to 6, 9

WHPU: in slots 10 to 14

WHPU

WMPU

WLPU

WLPU

WMPU

WLPU

WLPU

WLPU

WNETc

WLPU

WHPU

WHPU

WHPU

WHPU

0 1 2 3 4 5 6 7 9 10 11 12 13 14

WNETc

8


WMPU

The two boards work in active/standby mode

It performs the following functions:

Allocating resources in the WRSS

Managing and monitoring other boards in the WRSS

Providing operations and maintenance channels from BAM to WRBSs

WHPU

WMPU

WLPU

WLPU

WMPU

WLPU

WLPU

WLPU

WNETc

WLPU

WHPU

WHPU

WHPU

WHPU

0 1 2 3 4 5 6 7 9 10 11 12 13 14

WNETc

8


WMPU

Indicators on WMPUIndicators on WMPU

Indicator Color Status Meaning

RUN Green

ON for 1s and OFF for

1 s The board is functional

ON The power supply is normal, but the

board is faulty

OFF The power supply is abnormal, or

the board is faulty

ALM RedOFF There is no alarm

ON or flashing There is a fault alarm

ACT GreenON The board is active

OFF The board is standby

RUN

ALM

ACT

RESET

ETH

CON

AUX


WMPU

Interfaces on WMPUInterfaces on WMPU

Port Description Function Type

ETH Ethernet portUsed to communicate with the BA

M serverRJ45

CON Debugging serial portUsed to connect with the console

DB9

AUXRemote Modem serial

port

Used for remote maintenance DB9

RUN

ALM

ACT

RESET

ETH

CON

AUX


WNETc

The WNETc comprises a main board and a clock sub-board

The main board works in dual-plane mode

The clock sub-board works in active/standby mode

WHPU

WMPU

WLPU

WLPU

WMPU

WLPU

WLPU

WLPU

WNETc

WLPU

WHPU

WHPU

WHPU

WHPU

0 1 2 3 4 5 6 7 9 10 11 12 13 14

WNETc

8


WNETc

Indicators on WNETcIndicators on WNETcIndicator Color Status Meaning

RUN Green

ON for 1 s and OFF for 1 s The board is functional

ON The power supply is normal, but the board is faulty

OFF The power supply is abnormal, or the board is

faulty

CLK Green

ON for 0.25 s and OFF for

0.25 sThe clock is in fast pull-in status

On for 3 s and OFF for 1 s The clock is in locked status

ON for 1 s and OFF for 3 s The clock is in hold status

ON for 1 s and OFF for 1 s The clock is in free-run status

ONThere is a fault alarm

OFF

ACT GreenON The clock sub-board on this board is active

OFF The clock sub-board on this board is standby

RUN

CLK

ACT

CLK IN0

CLK IN1

CLK OUT0

CLK OUT1

CLK IN2

CLK IN3


WNETc

Interfaces on WNETcInterfaces on WNETcRUN

CLK

ACT

CLK IN0

CLK IN1

CLK OUT0

CLK OUT1

CLK IN2

CLK IN3


CLK IN0 Connected to the GRU suite Used to input timing signals RJ45

CLK IN1Optional, connected to the

GRU suite

Used to input timing signalsRJ45

CLK

OUT0－

This port is not used in the BSC6800RJ45

CLK

OUT1－

This port is not used in the BSC6800SMB

CLK IN2 Clock input port 2Used to input 2 Mbit/s, 2 MHz, and 8 kH

z synchronization timing signals SMB

CLK IN3 Clock input port 3Used to input 2 Mbit/s and 2 MHz timing

signals SMB


WLPU

The WLPU is composed of a main-board and an optical sub-board

It performs the following functions:

Providing 155Mbit/s or 622Mbit/s optical ports

Monitoring the quality of synchronization clock in real time, and

reporting it to the WMPU

WHPU

WMPU

WLPU

WLPU

WMPU

WLPU

WLPU

WLPU

WNETc

WLPU

WHPU

WHPU

WHPU

WHPU

0 1 2 3 4 5 6 7 9 10 11 12 13 14

WNETc

8


WLPU

Single-mode STM-1 ATM optical board (W4ASb)

Provides four 155Mbps optical ports

The type of optical port is LC/PC

Single-mode STM-4 ATM optical board (W1TSb)

Provides one 622Mbps optical port

The type of optical port is SC/PC

Only for CN connection

W4ASb and W1TSb can be configured

simultaneously

W4ASb W1TSb


WHPU

The N:1 (N<5) resource pool mode is adopted

The WHPU performs the following functions:

Managing GTP-U tunnel resource; establishing and releasing tunnel connections

Forwarding GTP-U messages

Managing GTP-U paths

WHPU support 240Mbps data processing bandwith

WHPU

WMPU

WLPU

WLPU

WMPU

WLPU

WLPU

WLPU

WNETc

WLPU

WHPU

WHPU

WHPU

WHPU

0 1 2 3 4 5 6 7 9 10 11 12 13 14

WNETc

8


WHPU

Indicators on Indicators on WHPUWHPU


RUN Green

ON for 1s and OFF

for 1sThe board is active and functional

ON for 2s and OFF

for 2s The board is standby and functional

ON for 1s and OFF

for 5s

The board is idle

This may occur only when the configured number of the a

ctive WHPUs is smaller than the actual number minus 1


OFF The power supply is abnormal or the board is faulty

ALM Red

OFF There is no alarm



Slot Number of WRBS Boards

WMUXb ： in slots 7 and 8

WSPUb ： in slots 10 and 11

WFMRb ： in slots 1 to 6, 9, 12 to 14

WINT : in slots 0 and 15

WFMRb

WI NT

WFMRb

WMUXb

WMUXb

WINT

0 1 2 3 4 5 6 7 8 10 11 12 13 14 15

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb


WMUXb

The two boards work in active/standby mode It performs the following functions:

Performing ATM cell switching

Providing synchronization clock for the boards in the WRBS

Managing and monitoring all boards in the WRBS

Processing power supply and fan alarms

WMUX supports 40Mbit/s data bandwidths

WMUXb supports 60Mbit/s data bandwidths

WFMRb

WI NT

WFMRb

WMUXb

WINT

0 1 2 3 4 5 6 8 10

11

12

13

14

15

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb

WMUXb7


WMUXb


RUN Green

ON for 1 s and OFF for 1 s The board is functional

ON for 0.125 s and OFF for

0.125 sThe board is being loaded

ON There is power supply, but the

board is faulty

OFF There is no power supply, or the

board is faulty



ACT GreenON The board is active


Indicators on WMUXbIndicators on WMUXbRUN

ALM

ACT

RESET

ETH

1PPS

COM1

COM2

TX

RX


WMUXb

Interfaces on WMUXbInterfaces on WMUXb


TX/RXTransmitting and Receiving

optical port

Used to communicate with the WLPU in the

WRSS

Single-

mode 155-

Mbit/s STM-

1 SC/PC

ETH Ethernet port

Used to test CPU A of the board

Note:ETH is disconnected when the board is

working

RJ45

1PPS PPS signal receiving portUsed to receive PPS signals from the GRU

suiteRJ45

COM1 Communication serial portUsed to exchange management and

maintenance information with the GRU suite RJ45

COM2 Communication serial port Reserved RJ45

RUN

ALM

ACT

RESET

ETH

1PPS

COM1

COM2

TX

RX


WSPUb The two boards work in active/standby mode

The WSPU performs the following functions:

Processing high-level signaling of Uu/Iu/Iur/Iub interfaces

Allocating and managing various resources necessary to service setup

Establishing signaling and service connections

WSPUb supports75K BHCA ， 100NodeB and300 cell

WFMRb

WI NT

WFMRb

WMUXb

WMUXb

WINT

0 1 2 3 4 5 6 7 8 10 11

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb

12 13 14 15


WSPUb

Indicators onIndicators on WSPUb WSPUb


RUN Green

ON for 1s and OFF for 1s The board is functional

ON for 0.125s and OFF for 0.125s

The board is being loaded


OFF The power supply is abnormal, or the board is faulty

ALM Red

OFF There is no alarm


ACT Green

ON The board is active


RUN

ALM

ACT


WFMRb

The WFMR performs the following functions:

Processing layer 2 protocol of Uu interface

Processing user plane protocol of Iub, Iur, Iu

Processing internal communication protocols between WSPU and WFMR,

and implementing encryption/decryption and paging

WFMRb support 6Mbit/s data bandwidths ， 250 erlangs ， 30 cell

WFMRb

WI NT

WFMRb

WMUXb

WMUXb

WINT

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

WSPUb

WFMRb

WSPUb

0 1 2 3 4 5 6 7 8 10 11 12 14 159

WFMRb

13


WFMRb

Indicators onIndicators on WFMRb WFMRbRUN

ALM

ACT


RUN Green

ON for 1s and OFF for 1s The board is functional

ON for 0.125s and OFF for 0.125s

The board is being loaded


OFF The power supply is abnormal, or the board is faulty



ACT Green

ON For the WFMRb, this indicator is always on

because the WFMRb does not work in activ

e/standby mode

OFF None


WBIEb

Providing 32 standard E1/T1 ports

Supports 75-ohm coaxial cable and 120-ohm twisted pair cable

Providing 32-E1/T1 IMA function, and also supporting UNI mode

Providing Fractional ATM and timeslot cross-connection functions

WFMRb

WBIEb

WFMRb

WMUXb

WMUXb

WBIEb

0 1 2 3 4 5 6 7 8 10 11 12 13 14 15

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb


WBIEb

Interfaces on WBIEbInterfaces on WBIEb

Port Description Type

E1/T1The first group (from the top down) is used to transmit and

receive signals of E1s/T1s 24–31DB50

E1/T1The second group is used to transmit and receive signals of

E1s/T1s 16–23DB50

E1/T1The third group is used to transmit and receive signals of

E1s/T1s 8–15DB50

E1/T1The fourth group is used to transmit and receive signals of

E1s/T1s 0–7DB50

CLK1This port is used to output timing signals, which are received

from the upper level equipment, as a system clock sourceSMB

CLK2This port is used to output timing signals, which are received

from the upper level equipment, as a system clock sourceSMB

RUN

ALM

ACT

E1/T1

E1/T1

E1/T1

E1/T1

25

26

24

27

29

30

28

31

17

18

16

19

21

22

20

23

9

10

8

11

13

14

12

15

1

2

0

3

5

6

4

7

CLK1

CLK2


WBIEb

DIP Switches on WBIEbDIP Switches on WBIEb


WBIEb

DIP switch Bit Description

Setting for 75-

ohm coaxial

cable

Setting for

120-ohm

twisted pair

S17

1 Indication of impedance selection switch of E1s/T1s 0–7 ON OFF

2 Indication of impedance selection switch of E1s/T1s 8–15 ON OFF

3Indication of impedance selection switch of E1s/T1s 16–

23ON OFF

4Indication of impedance selection switch of E1s/T1s 24–

31ON OFF

5–8 Reserved ON OFF

S16， S15

S5， S6

S10， S11

S13， S14

1–8 Impedance selection switch of E1s/T1s 0–31 ON OFF

S7 1–8 TX ground switch of E1s/T1s 0–7 ON OFF





WOSEc

Providing 1 ATM Over E1 Over SDH standard optical port (including 63

E1s) and supporting optical port backup

Providing 63 E1s, and supporting IMA/UNI mode

Providing 8 E1s low-speed ports that support Fractional ATM and CES

functions

WFMRb

WOSEc

WFMRb

WMUXb

WMUXb

WOSEc

0 1 2 3 4 5 6 7 8 10 11 12 13 14 15

WFMRb

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb


WOSEc


OPT Optical port Used to transmit and receive optical signals

155-

Mbit/s

LC/PC

E1/T1 E1 port Used to transmit and receive E1 signals DB50

CLK1 Clock port 1

Used to output timing signals which are

received from the upper level equipment, as

a system clock source

SMB

CLK2 Clock port 2

Used to output timing signals which are

received from the upper level equipment, as

a system clock source

SMB

Interfaces on WOSEcInterfaces on WOSEc

RUN

ALM

ACT

E1/T1

1

2

0

3

5

6

4

7

CLK1

CLK2

OPT

RXTX


WOSEcDIP Switches on DIP Switches on WOSEcWOSEc


WOSEc

DIP switch Bit Description

Setting for 75-

ohm coaxial

cable

Setting for 120-

ohm twisted

pair

S3 14Impedance selection switch of E1s

0–3ON OFF

S4 1-4Impedance selection switch of E1s

0–3OFF OFF


4–7ON OFF


4–7OFF OFF

S7 1-8 TX ground switch of E1s 0–7 ON OFF

S8 1-8 TX ground switch of E1s 0–7 OFF OFF

S91 Indication of impedance selection

switch of E1s/T1s 0–7

ON OFF

2 ON ON


WEIE

Providing IP transmission for the Iub interface

Implementing the conversion between IP packets and AAL2 cells

Providing 32 E1s/T1s for the IP over PPP over E1/T1

Providing timing signals for the NodeBs as a clock source

WFMRb

WEIE

WFMRb

WMUXb

WMUXb

WEIE

0 1 2 4 5 6 7 8 10 11 12 13 14 15

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb

3

WFMRb


WEIE

Interfaces on WEIEInterfaces on WEIE

Port Description Type


receive signals of E1s/T1s 24–31DB50

E1/T1The second group is used to transmit and receive signals

of E1s/T1s 16–23DB50

E1/T1The third group is used to transmit and receive signals of

E1s/T1s 8–15DB50

E1/T1The fourth group is used to transmit and receive signals of

E1s/T1s 0–7DB50

CLK1 This port is not used in the BSC6800 SMB



WEIE

DIP Switches on WEIEDIP Switches on WEIE


WEIE

Switch Bit Description

Setting for

75-ohm

Coaxial

Cable

Setting

for 120-

ohm

Twisted

Pair Cable

Setting

for 100-

ohm

Twisted

Pair Cable

S1 1～ 8Impedance selection switch of E1s/T1

s 0–7 (16–23)ON OFF OFF

S2 1～ 8Impedance selection switch of E1s/T1

s 8–15 (24–31) ON OFF OFF


switch of E1s/T1s 0–15 (16–31)

ON OFF ON

2 ON ON OFF

S4 1～ 8TX ground switch of E1s/T1s 0–7 (16

–23) ON OFF OFF

S5 1～ 8TX ground switch of E1s/T1s 8–15 (2

4–31) ON OFF OFF


WFIE



Providing 4 FE ports

WFMRb

WFIE

WFMRb

WMUXb

WMUXb

WFIE

0 1 2 4 5 6 7 8 10 11 12 13 14 15

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb

3

WFMRb


WFIE

Interfaces on WFIEInterfaces on WFIE

Port Description Port Type

FE 0 The FE port is used to transmit and receive signals of FE 0 RJ45

FE 1 The FE port is used to transmit and receive signals of FE1 RJ45



CLK1 This port is not used is not used in the BSC6800 SMB

CLK2 This port is not used is not used in the BSC6800 SMB

RUN

ALM

ACT

CLK1

CLK2

FE

FE

FE

FE

0

1

2

3


WFEE



Providing 4 FE ports

Providing 16 E1s/T1s for the IP over PPP over E1/T1

Providing timing signals for the NodeBs through E1/T1 ports

WFMRb

WFEE

WFMRb

WMUXb

WMUXb

WFEE

0 1 2 4 5 6 7 8 10 11 12 13 14 15

WFMRb

WFMRb

WFMRb

WFMRb

9

WFMRb

WSPUb

WFMRb

WFMRb

WSPUb

3

WFMRb


WFEE

Interfaces on WFEEInterfaces on WFEE

RUN

ALM

ACT

E1/T1

E1/T1

10

9

11

8

2

1

3

0

CLK1

CLK2

FE

FE

FE

FE

0

1

2

3

13

12

7

14

15

6

5

4

Port Description Port Type

FE 0The FE port is used to transmit and receive signals of FE

0RJ45


1RJ45


2RJ45


3RJ45


receive E1/T1 signals of channels 8–15DB50

E1/T1The second group is used to transmit and receive E1/T1

signals of channels 0–7DB50




WFEE

DIP Switches on WFEEDIP Switches on WFEE

S3 S2 S5

S1 S4

B EC

BA C D E18 18 18 18

12ON

ON

ON

ON

ON

DA


WFEE

Switch Bit Description

Setting for

75-ohm Co

axial Cable

Setting

for 120-

ohm

Twisted

Pair Cable

Setting

for 100-

ohm

Twisted

Pair

Cable

S1 1～ 8Impedance selection switch of E1s/T

1s 0–7ON OFF OFF

S2 1～ 8Impedance selection switch of E1s/T

1s 8–15 ON OFF OFF


switch of E1s/T1s 0–15

ON OFF ON

2 ON ON OFF

S4 1～ 8 TX ground switch of E1s/T1s 0–7 ON OFF OFF

S5 1～ 8 TX ground switch of E1s/T1s 8–15 ON OFF OFF


BSC6800 Hardware Backup Mode

Part Backup Mode

WMUXb 1:1

WSPUb 1:1

WOSEc 1:1

WFIE 1:1

FE port on the WFIE or WFEE

1:1

WFMRb Resource pool

WHPU N:1 (N < 5)

WNETc 1+1

Optical port on the WLPU 1+1

WMPU 1:1

GRU suite 1+1

LAN switch 1+1

BAM 1:1










BSC6800 Cables Distribution Figure

...

WRSR WRBR WRBR

Alarm

LMT

HUB

GPS

RS232

Feeder

Cable

Cable

Power Cables to PDF

Optical Fibers to Other NEs

Jumper

Jumper

O&M Room Equipment Room

E1s/T1s to Other NEs

Optical Fibers Between WRSR and WRBR

Arrest

M2000


Main Cables

Trunk Cables ： 75Ω coaxial cable

120Ω twisted pair cable

Network Cables ： Straight through cable ：

− The WMPU to the LAN switch

− The active and standby BAM servers to the LAN switches

− The WFEE/WFIE to the LAN switch

Crossover cable ： to connect active/standby LAN Switches

Optical Fibers ： The types of optical port of WLPU including LC/PC and SC/PC

The type of optical port of WMUXb is SC/PC

The type of optical port of WOSEc is LC/PC


Network CablesInternal network cables connection figureInternal network cables connection figure

Straight Through CableCrossover Cable

LAN Switch 1

LAN Switch 0

BAM Upper

BAM Lower

RUN

ALMACT

ResetETH

CON

AUX

RUN

ALMACT

ResetETH

CON

AUX

WMPUWMPU


Network Cables

External network cables connection figureExternal network cables connection figure

Straight Through Cable

Crossover Cable

LAN Switch 1

BAM Lower

to LMT

LAN Switch 0

BAM Upper










BSC6800 System Signal Flows

BSC6800 system signal flows including:

Control plane message flows

− Uu interface message flow

− Iub/Iur/Iu interfaces message flows

User plane data flows

− CS data flow

− PS data flow


Control Plane Message Flows

Uu RRC Iub NBAP

Iu RANAPIur RNSAP

WFMRb WMUXbWINT WSPUb

Iub interface

WLPU WHPUWNETc WLPU

WRBS

WRSS

CN/RNC


User Plane Data Flow (CS)


Iub interface

CS data

WLPU WHPUWNETc WLPU

WRBS

WRSS

MSC


User Plane Data Flow (PS)


Iub interface

PS data

WLPU WHPUWNETc WLPU

WRBS

WRSS

SGSN










BSC6800 and CN Networking Mode

BSC6800 can connects to up to 5 CNs

BSC6800 can connect to up to 6 neighboring RNCs

RNC

PSTN

MSC

SGSN

NodeBUE

IubIu-PS

Iu-CS

Iur

UE

NodeB

NodeB

NodeB

NodeB

NodeB

RNC

RNS OMC

OMC

LAN

LAN

CN


BSC6800 and NodeB Networking ModesThe networking modes including The networking modes including Star, Chain, TreeStar, Chain, Tree

RNC

NodeBNodeB NodeB

CNStar

Tree

Chain

RNC

CN

NodeBNodeB

RNC

CN

NodeB NodeB

NodeB

NodeB NodeB


Basic Configuration Principles

The basic modules including:

Cabinet

− WRSR ： compulsory ， 1

− WRBR ： optional ， 0-5

Subrack

− WRSS ： compulsory ， 1

− WRBS ： compulsory ， 1-16

O&M Subsystem

− BAM Server ： compulsory ， 2

− LAN Switch ： compulsory ， 2 or 4

Other

− Alarm box ： optional ， 1

− GRU ： optional ， 2


Basic Configuration Principles

The basic boards including:

WRSS

− WMPU ： 1-2pcs

− WNETc ： 1-2pcs

− WLPU ： 1-6pcs

− WHPU ： 1-5pcs

WRBS

− WMUXb ： 1-2pcs

− WSPUb ： 1-2pcs

− WFMRb ： 1-10pcs

− WINT ： 1-2pcs


Configuration Examples

Single rack under full configuration （ 62,500 subscribers ）： Cabinet

− WRSR ： 1pcs

Subrack

− WRSS ： 1pcs

− WRBS ： 1pcs

− Both WRSS and WRBS under full configuration

O&M Subsystem

− BAM Server ： 2

− LAN Switch ： 2


Configuration Examples

6 racks under full configuration （ 1,000,000 subscribers ）： Cabinet

− WRSR ： 1pcs

− WRBR ： 5pcs

Subrack

− WRSS ： 1pcs

− WRBS ： 16pcs

− Both WRSS and WRBS under full configuration

O&M Subsystem

− BAM Server ： 2

− LAN Switch ： 2 or 4

www.huawei.com

Thank You

U-LI 000 BSC6800 System Structure(BSC6800V100R010)

Documents

input timing

run alm act

activestandby

input 2 mbit

act green

optical port

bsc6800 supports

bsc6800 system