BSC6900 Hardware System

8/18/2019 BSC6900 Hardware System

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Copyright © 2009 Huawei Technologies Co., Ltd. All rights reserved.

!C"900Hardware !ystem


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Contents

1. System Description

2. Hardware !tructure

$. !ystem !ignal %low

&. Typical Con'guration


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Location o( the !C"900

The H)A*+ !C"900 is a new generation -! !C

product a(ter !C"000 and !C"/0


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High ntegration and Low Cost

!upports $,012 T3s in a single ca4inet

!upports the simultaneous activation o( up to 2,2//

#5CHs

a6imum o( tra7c8 9,00 +rl: HCA 8 ,20,000


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%eatures o( the !C"900!ystem High integration and low cost

+asy con'guration and convenient maintenance

All;# plat(orm

*e4;4ased LT


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%le6i4le Con'guration

Hardware Con'guration


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> !mooth evolution (rom !C to ?C with so(tware upgrade

> educing CA#+3 4y reusing hardware

> 5ynamic capacity ad@ustment 4etween 2-$-

5ual ode 5esign

GSM&UMTS co-cabinet

SoftwareUpgrade

RNC

RNC

SC

SC

SC

RNC

RNC

RNC

SC

GSM&UMTS cabinet


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%eature o( !C"900－ Co BA

)ni'ed C+ 8!imultaneous 2-


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Contents

. !ystem 5escription

!. "ardware Str#ct#re




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Contents


!.1 Cabinets

2.2 !u4racs

2.$ oards

2.& Ca4les


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!C"900 Ca4inet

The !C"900 uses the standard ?"/+;22 ca4inet

The ?"/+;22 ca4inet is

o( two types, the single;

door ca4inet and the

dou4le;door ca4inet

600m

m

2200mm

800mm

600mm

2200mm

800mm

?"/+;22 Ca4inet D!ingle;door


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Components o( the Ca4inet

ased on (unctions,ca4inets are classi'ed

into the main processing

rac D#=, e6tended

processing rac D+#=,

and transcoder rac

DTC=D= %iller

panel

D2= !u4rac

D$= Airde(ense(rame

D&= #owerdistri4ution4o6

D= Ca4lerac

D"= earca4le trough


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Components o( the Ca4inet

1 EPS

0 MPS

2 EPS

POWER BOX

M$R

4

3 EPS

5

POWER BOX

%$R

7 TCS

6 TCS

8 TCS

POWER BOX

TCR


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#ower 5istri4ution o6

subrack1

subrack0

subrack2

POWER BOX

subrack0

D=

#A)

D2= #ower distri4ution

switches

D$= La4el (or power distri4ution

switches


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Contents


2. Ca4inets

!.! S#bracs

2.$ oards

2.& Ca4les


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!u4rac

D= %an 4o6 D2= ounting ear D$= -uide rail

D&= %rontca4le trough

D= oardsD"= -roundingscrew

D1= 5Cpower inputport

D/= #ort (or the monitoringsignal ca4le o( the powerdistri4ution 4o6

D9= Cover plateo( the 5#switch

500mm

436mm

12U


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5ip !witch on the !u4rac

S#bracNo.

it

1 ! ' ( ) * + ,

00 0 0 0 0

B? B? B%%B? B? B? B? B?

0 0 0 0

B%% B? B%%B%% B? B? B? B?

20 0 0 0

B%% B? B%%B? B%% B? B? B?

$ 0 0 0 B? B? B%%B%% B%% B? B? B?

&0 0 0 0

B%% B? B%%B? B? B%% B? B?

0 0 0

B? B? B%%B%% B? B%% B? B?

The 5# switch on the su4rac has eight 4its (rom to /


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!lots in the !u4rac

D= %rontslot

D2=acplane

D$= earslot

the 4oards are installed on 4oth the (ront and rearsides o( the 4acplane


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ain #rocessing !u4rac D#!=

The #! processes the 4asic services and per(ormsthe B (unction. n addition, the #! provides

cloc (or the system

As the main processing su4rac, the #! iscon'gured in the #. Bnly one #! is con'gured in

the !C"900


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ain #rocessing !u4rac D#!=

!C"900 must have only one #!

%ront oard

ear oard


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+6tended #rocessing !u4racD+#!=

As the e6tended processing su4rac, the +#! iscon'gured in the # or +#. t processes the 4asic

services o( the !C"900

Compared with the #!, the +#! is not con'guredwith the -C)a and B)a


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+6tended #rocessing !u4racD+#!=

%ront oard

ear oard

!C"900 has no +#! or up to & +#! (or -!


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TransCoder !u4rac DTC!=

The TC! is the transcoder su4rac. n


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TransCoder !u4rac DTC!=

%ront oard

ear oard

!C"900 has up to & TC! (or -!


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Contents


2. Ca4inets

2.2 !u4racs

!.' oards

2.& Ca4les


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!C"900 Logical !tructure

MTM!///

C0ocSyncroni2ation S#bsystem

SwitcingS#bsyste

m

3nterface$rocessi

ngS#bsyste

m

Ser4ice$rocessingS#bsystem

5MS#bsystem

To BTS

To MSC

To othr BSC

To S!S"

C#ock $o%t&o'a#(


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!witching !u4system

The switching su4system per(orms the (ollowing(unctions

#rovides intra;su4rac edium Access Control DAC=

switching

#rovides intra;su4rac Time 5ivision ultiple6ing DT5=

switching

#rovides switching channels (or tra7c data

#rovides B channels

5istri4utes cloc signals to the service processing 4oards


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!witching !u4system DCont.=


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?etwor Topologies etween!u4racs

AC switching ; star topology Bne node (unctions as the center node and it is

connected to each o( the other nodes. The

communication 4etween the other nodes must 4e

switched 4y the center node

T5 switching ; mesh topology

There is a connection 4etween every two nodes. *hen

any node is out o( service, the communication 4etween

other nodes is not aEected


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T?)a oard

The T?)a 4oard per(orms the (ollowing(unctions8

#rovides 2/ F 2/ T5 switching

Bnly supports -!


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!C)a oard

The !C)a 4oard per(orms the (ollowing(unctions8

#rovides the maintenance management

(unction

#rovides con'guration and maintenance

o( a su4rac or o( the entire !C"900

+na4les inter;su4rac connections

!upports -!)T!


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!ervice #rocessing !u4system

The service processing su4system per(orms the(ollowing (unctions

adio resource management and control

adio access management Cell 4roadcast service control

C! service processing

#! service processing


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3#)a oard

The 3#)a 4oard per(orms the(ollowing (unctions8

There are (our logical processing units

inside a 3#)a 4oard. t only supports

-!.

ain #rocessing )nit D#)=8 manage the

user panel resources, signaling panel

resources, process the -! services on

the control plane and transmission

resources in the system

!ignaling #rocessing )nit D!#)=8 process

the signaling

ain control 3#)a supports 210T3s and


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3#)4 oard

The 3#)4 4oard per(orms the (ollowing(unctions8

There are eight logical processing units

inside a 3#)4 4oard. !o its processing

capa4ility improves 1G;00G more than

3#)a. t only supports -!.

ain control 3#)4 and ?on;main control

3#)4 can 4oth support "&0 T3s at most


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!#)a

The !#)a

The !#)a

)T!.

There are (ourcapa4ility o( !#)4 improves 1G;00G

more than !#)a .


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5#)c oard

The 5#)c 4oard per(orms the (ollowing (unctions8 #rovides the speech (ormat conversion and data

(orwarding (unctions

+ncodes and decodes voice services !upports 9"0 speech transcoding and $1&0 (rames

conversion

#rovides the voice enhancement (unction

Bnly supports -!


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5#)d oard

The 5#)d 4oard per(orms the (ollowing (unctions8 #rocesses the #! services on up to ,02&

simultaneously active #5CHs where signals are coded

in C!9

#rocesses pacet lins

5etects pacet (aults automatically

Bnly supports -!


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5#)4 oard

The 5#)4 4oard per(orms the (ollowing (unctions8 #rovides the speech (ormat conversion and data

(orwarding (unctions

+ncodes and decodes voice services #er(orms the (unctions o( the -T#;), ))#, #5C#, LC,

AC, and %# protocols

#rovides the voice enhancement (unction

!upports -! and )T!


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Cloc !ynchroniation!u4system

3NT

3NT

SCUa

3NT

3NT

SCUa

SCUa

GCUa

C#ock )o*u#

MPS

8kHz

To BTS

EPS EPS8KHz

19.44MHz, 32.768MHz,8kHz

Clock cablH!"#$%&' back&la( c#a((l

C) B*TS +PS

To BTS

To BTS

19.44MHz,

32.768MHz,8kHz

19.44MHz,

32.768MHz,8kHz


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-C)a oard

The -C)a 4oard per(orms the (ollowing(unctions8

Traces, generates, and maintains the

synchroniation cloc

The stand4y -C)a 4oard traces the cloc phase o(

the active -C)a 4oard. This ensures the smooth

output o( the cloc phase in the case o(

active


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B !u4system

SCUa

SCUa

"U

5MUa

5MUa

SCUa

SCUa

la-m

bo/MT

E-(al

(o-k

MPS

To

M2000

*(-(al(o-k

EPS

*(-( cabl

%-!al cabl


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B)a oard

B)a 4oard is the ac Administrationodule DA= o( the !C"900, it per(orms

the (ollowing (unctions 8

Con'guration management, per(ormance

management, (ault management, security

management, and loading management

(unctions (or the system

#roviding with the operation and

maintenance inter(ace (or the LT


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nter(ace #rocessing!u4system

oardType

Transport Mode

$ort Type oard

?T

T5 +lectrical port +)a

Bptical port B)a

#

+lectricalport

%+


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+)a oard

The +)a 4oard per(orms the (ollowing (unctions8 Transmits, receives, encodes, and decodes $2

+s


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B)a oard

The B)a 4oard per(orms the (ollowing (unctions8 #rovides one !T; port (or T5 transmission with the

rate o( .2 4it


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%-2a oard

The %-2a 4oard per(orms the (ollowing(unctions8

#rovides / channels over %+ ports or 2

channels over -+ electrical ports

#rovides the routing;4ased 4acup and

load sharing

!upports the A4is, A, and -4 inter(aces

!upports $/&T3 (or A4is inter(ace ,"&&CCs (or A inter(ace or 2/4ps -4

throughput


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%-2c oard

The %-2c 4oard per(orms the (ollowing(unctions8

#rovides 2 channels over %+ ports or &

channels over -+ electrical ports

#rovides the routing;4ased 4acup and

load sharing

!upports the A4is, A, and -4 inter(aces

supports 20&/T3 (or A4is inter(ace,2$0&0 CCs (or A inter(ace or 02&4ps

-4 throughput

10M100M1000M

10M100M


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#+)a oard Te $%Ua board performs te fo00owing f#nctions6

#rovides $2 channels o( +s


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#B)c oard Te $5Uc board performs te fo00owing f#nctions6

#rovides & channels over channelied optical !T;


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-B)a oard

The -B)a 4oard per(orms the (ollowing(unctions8

#rovides 2 channels over -+ optical ports (or #

transmission

#rovides the Tri4utary #rotect !witch DT#!=

(unction 4etween the active and stand4y 4oards

!upports the A4is and A inter(aces

!upports $/& T3 (or A4is inter(ace and "&&

CCs


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-B)c oard

The -B)c 4oard per(orms the (ollowing (unctions8 #rovides (our channels over -+ optical ports

#rovides the routing;4ased 4acup and load sharing

+6tracts line cloc signals !upports the A4is, A, and -4 inter(aces

!upports 20&/ T3 (or A4is inter(ace, 2$0&0 CCs (or A

inter(ace or 02& 4ps -4 throughput


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Contents

2. Hardware !tructure2. Ca4inets

2.2 !u4racs

2.$ oards!.( Cab0es


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ain Ca4les

Trun Ca4les 1I coa6ial ca4le and Active

ca4le

20I twisted pair ca4le and Active

pair ca4le

?etwor ca4les

Bptical %i4ers

J;!haped Cloc Ca4le

#5 onitoring !ignal Ca4le


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Trun Ca4les

1;ohm Coa6ial Ca4le


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Trun Ca4les DCont.=

Active

D= 5&&connector

D2= etal case o( the 5&& connector

D$= La4el

Ddenti(ying acoa6ial ca4le=

D&= ain la4el Didenti(ying the code, version,

and manu(acturer in(ormation o( the ca4le=

D= La4el 2

Didenti(ying a

coa6ial ca4le=


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Trun Ca4les DCont.=

Active

D= 5&&connector

D2= etal case o( the 5&& connector

D$= La4el Didenti(ying atwisted pair ca4le=

D&= ain la4el Didenti(ying the code, version,and manu(acturer in(ormation o( the ca4le=

D= La4el 2

Didenti(ying a

twisted pair ca4le=


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+thernet Ca4le

!traight;Through Ca4le


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Bptical Ca4les

Bptical ca4les are used to connect the opticalinter(ace 4oard to the Bptical 5istri4ution %rame

DB5%= or other ?+s.


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J;!haped Cloc Ca4le

This ca4le transmits the /H cloc signals (rom the

-C)a


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#5 onitoring !ignal Ca4le

The power distri4ution 4o6 D#5= monitoring signalca4le is used to transmit monitoring signals (rom the

#5 to the su4racs.


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Contents

. !ystem 5escription2. Hardware !tructure

'. System Signa0 70ow



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!C"900 !ignal %lows

)ser;#lane !ignal %low -! C! !ignal %low

-! #! !ignal %low

Control;#lane !ignal %low !ignaling %low on the A nter(ace

!ignaling %low on the A4is nter(ace

!ignaling %low on the -4 nter(ace


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-! C! !ignal %low

A4is over H5LC


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!ignaling %low on the Anter(ace

A over T5

!i li %l h A


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!ignaling %low on the A4isnter(ace

A4is over T5


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!ignaling %low on the -4nter(ace

-4 over #


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Contents

.

!ystem 5escription2. Hardware !tructure


(. Typica0 Con8g#ration

T i l C ' ti (


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Typical Con'guration o(!C"900

nde6 #!TC

!

?um4er o( ca4inets

HCADM= /1

Tra7c（ +rl） $20

T3 num4er 2

?um4er o( active

#5CHs（ C!;9）

20&/

-4 inter(ace

throughput（ 4ps）

2/

*hen the 4oards are con'gured in


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nde6 #!TC

!

?um4er o( ca4inets

HCADM= 2"2

Tra7c（ +rl） 910

T3 num4er $"

?um4er o( active

#5CHs（ C!;9）

"&&

-4 inter(ace


$/&



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nde6 #!TC

!

?um4er o( ca4inets

HCADM= &$1

Tra7c（ +rl） "20

T3 num4er 2"0

?um4er o( active

#5CHs（ C!;9）

02&0

-4 inter(ace


"&0



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nde6 #!TC

!

?um4er o( ca4inets 2

HCADM= 20

Tra7c（ +rl） 900

T3 num4er $012

?um4er o( active

#5CHs（ C!;9）

22//

-4 inter(ace


1"/



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nde6 #!TC

!


HCADM= $00

Tra7c（ +rl） $000

T3 num4er 20&/

?um4er o( active

#5CHs（ C!;9）

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-4 inter(ace


2



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!ummary

A(ter this course, we have learned the position o(

!C"900 in -! networ, and the speci'cations o(

ca4inets, su4racs, 4oards, ca4les, (unctions o(

su4systems, signal Nows o( control;plane and user;

plane o( each inter(aces. At last, we learned typical

con'guration o( !C"900


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BSC6900 Hardware System

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