Ori001101 Rac6610 Hardware System Issue2.0

ORI001101 RAC6610 Hardware System ISSUE 2.0

Wireless Wireless Curriculum Curriculum Development Development Section Section

Objective

Once completion of this course, you will: 

State the structure of RAC6610.



Know about the function of all boards in RAC6610.

Confidential Information of Huawei.

Security Level: Internal

Contents Chapter 1 Overview Chapter 2 CIPS Chapter 3 CRPS Chapter 4 Clock System Chapter 5 Summary

Confidential Information of Huawei.

Security Level: Internal

Chapter 1 Overview of WLL BSC



CDMA WLL Network Structure



RAC6610 Configuration

Confidential Information of Huawei.

Security Level: Internal

CDMA WLL Network Structure

SMC MIP HA PDSN/FA

Um

INTERNET

FWT

A10/A11

Abis

BTS

Abis

Softsite

Optical BTS Fiber

AAA V5

RAC6610

LE

V5 Um

E1/STM-1 Abis BTS Remote Module Model

Confidential Information of Huawei.

Security Level: Internal

LE

Configuration for 10,000 Subscribers

V5

Abis

CIPS

BAM CRPS

A3/A7 A10/A11

Confidential Information of Huawei.

BHCA: 120k Traffic amount: 900 Erl Channels on Um interface: 1,350TCE Transcoder (TC): 1,024 Echo Canceller (EC): 1,024 Maximum number of carrier sectors: 96 BTS trunking capability: 32E1 PSTN trunking capability: 32E1 Number of V5 interface circuits: 960 Number of PPP connections:3,5000 Number of PPP activated connections: 25,00 Packet data service throughput: 10Mbps Busy Hour Short Message processibility: 120K BHSM

Security Level: Internal

Configuration for large capacity(1,500,000)

A10/A11

A3/A7

V5

CIPS

Abi s

CRPS V5 Abi s

CIPS

V5 Abi s

… .

CSWS

CIPS

V5

BAM

CIPS

Abi s

For Large capacity, CSWS must be used! Confidential Information of Huawei.

BHCA: 120k15 Traffic amount: 900Erl15 Channels on Um interface: 1,350TCE15 Transcoder: 1,024(15 Echo Canceller (EC): 1,024  15 Maximum number of carrier sectors: 96  15 (according to the actual needs) BTS trunking capability: 32E1  15 PSTN trunking capability: 32E1  15 Number of V5 interface circuits: 960  15 Number of PPP connections and PPP activated : set according to the actual needs

Security Level: Internal

Structure of Cabinet Power distribution box

CRPS Cable trough Fan box

Air guide subrack Satellite clock receiving module Cable trough Mouse Keyboard and LCD Lanswitch Lanswitch Cable trough BAM Switch

BAMServer Server BAM BAMServer Server BAM

Control cabinet

Air guide subrack

CIPS Cable trough Fan box Dummy panel

Confidential Information of Huawei.

Security Level: Internal

Service cabinet, used for more than 10,000 subscribers

Contents Chapter 1 Overview of WLL BSC Chapter 2 CIPS Chapter 3 CRPS Chapter 4 Clock System Chapter 5 Summary

Confidential Information of Huawei.

Security Level: Internal

Chapter 2 CIPS

 Session

1 Overview of CIPS

 Session

2 Introduction to Boards in

CIPS  Session

3 Traffic & Signaling Flow

in CIPS

Confidential Information of Huawei.

Security Level: Internal

CIPS Subrack layout

CXI E/ C B I E

0

CF CF CF CI CE CE CM CM CE CE CL CS CS CI CA M MR MR WF VC VC UX UX VC VC CB PU PU W I E R F

1

2

3

Confidential Information of Huawei.

4

5

6

7

8

9

Security Level: Internal

10

11

12

13

14

15

Main function of CIPS

Speech encoding and decoding. Abis traffic

Abis signaling

Abis Physical interface

Service frame selection, data allocation

Signaling control

V5 signaling processing

To CRPS

To STE/LE

Abis OML

V5 physical interface

Confidential Information of Huawei.

Security Level: Internal

To STE/LE

Chapter 2 CIPS

 Session

1 Overview of CIPS

 Session

2 Introduction to boards in

CIPS  Session

3 Traffic & Signaling Flow

in CIPS

Confidential Information of Huawei.

Security Level: Internal

Function of CXIE

IMA Processing Module

High -rate ATM flow

IMA Chip

E1 Interface Module

E1 Interface Module

1#E1 2#E1

… ... n#E1

Confidential Information of Huawei.

Security Level: Internal

IMA Processing Module

IMA Chip High -rate ATM flow

Function of CXIE

E1/T1 interface function: supporting 24 standard E1s/T1s. Providing a processing capability of 24 E1/T1 IMAs and supporting pure ATM over E1 mode (namely UNI mode); While providing the Abis interface between BTS and BSC, it performs the function of AAL2 switching and AAL5 transparent transmission; While providing the Abis interface between BTS and BSC, it performs the function of AAL2 switching and AAL5 transparent transmission;

Confidential Information of Huawei.

Security Level: Internal

Panel Description of CXIE

Normal status: Status Indicator (RUN): flash slowly Alarm indicator (ALM): off Operation indicator(ACT): on

Confidential Information of Huawei.

Security Level: Internal

CBIE

Board’s introduction

CBIE is responsible for: 32 standard E1/T1 interfaces Providing a processing capability of 32 E1/T1 IMAs and supporting pure ATM over E1 mode (UNI mode) Supporting Fractional ATM function the channels for inter-working between CIPS and CRPS (Small capacity BSC)

Confidential Information of Huawei.

Security Level: Internal

CBIE Appearance

S14

S12

Board’s introduction

RUN ALM ACT

S13

S11 J18

J19

To BTS S9

E1/T1

J21

To BTS

S10

E1/T1

S6

S8

To BTS

S5 E1/T1

S15

To BTS

S7 E1/T1

S17 S16

CLK1 CLK2

J18

Confidential Information of Huawei.

Security Level: Internal

Function of CFMR BTS1

BTS2

Service Frame

Frame protocol processing

Service Frame

Frame protocol processing

Selection/Distribution Best Frame

Power control

Multiplexing/Demultiplexing LAC PDU

Confidential Information of Huawei.

LAC SAR

TRAU frame

RLP

CSPU

CEVC

CPPU

Security Level: Internal

Panel Description of CFMR

RUN ALM ACT

Confidential Information of Huawei.

Security Level: Internal

Function of CEVC Supporting three coding modes: EVRC, QCELP8K and QCELP13K; Performing ISLP rate adaptation for circuit data services below 64k; Checking and Inserting DTMF signals; Providing the echo cancellation function between MS-PSTN; Notes:  The CEVC’s hardware structure is the same as that of CFMR’s.  Confidential Information of indicator meanings of CEVC. So does the Security Level: Internal Huawei.

Function of CMUX The switching and multiplexing functions of the ATM services; AAL2 switching function; Providing a synchronization clock function; Managing and monitoring the software loading of all boards in the local subrack; Monitoring the power subrack, fan box and environment operating status. Confidential Information of Huawei.

Security Level: Internal

Panel Description of CMUX

RUN ALM ACT RESET

TX RX

¹ Pinch ¿Û â ° Plate å Optical

ETH 1PPS

COM1 COM2

Confidential Information of Huawei.

Security Level: Internal

Function of CIWF

Asynchronous data; G3 fax ; Analog fax IWF service processing board, optional. It is configured when the IWF function is required. A CIWF is able to process 60 × integrated IWF service. A CIPS may be configured with up to 2 CIWFs in slots 4 and 14 in which the former is preferable.

Confidential Information of Huawei.

Security Level: Internal

Function of CSPU

Processing the upper-layer signaling : Um interface, Abis interface, V5 interface, A3 interface, A7 interface A9 interface; Allocating various resources needed for setup signaling and traffic connections;

Confidential Information of Huawei.

Security Level: Internal

Panel Description of CSPU

RUN ALM ACT

Confidential Information of Huawei.

Security Level: Internal

Function of CLCB

V5 signaling proceesing.(Layer2) Measurement, maintenance and troubleshooting of V5 signaling

Confidential Information of Huawei.

Security Level: Internal

CAIE

Provide 32 E1/T1 interfaces TDM switching and rate conversion Clock extraction

Confidential Information of Huawei.

Security Level: Internal

CAIE Appearance

S3

S2

S16

S18

S15

S12

S10

S17

S13 RUN ALM ACT

S11 S7 S6

E1/T1

E1/T1

Used to connect to LE

E1/T1

E1/T1 CLK1

S5

S4

S9

S8

J18

Confidential Information of Huawei.

Security Level: Internal

CLK2

Used to connect to GCKP

Chapter 2 CIPS

 Session

1 Overview of CIPS

 Session

2 Introduction to boards in

CIPS  Session

3 Traffic & Signaling Flow

in CIPS

Confidential Information of Huawei.

Security Level: Internal

Voice Traffic Flow in CIPS

ATM Bus

CXIE

CFMR

CMUX

Expand TDM Bus TDM Bus

Confidential Information of Huawei.

Security Level: Internal

CEVC

CAIE

Data Traffic Flow in CIPS

CBTS

CRPS ATM Bus

CXIE

Confidential Information of Huawei.

CFMR

Security Level: Internal

CMUX

Voice Signaling Flow in CIPS Outband Signaling

ATM BUS

Inband Signaling

CXIE

CFMR

CSPU

CLCB

Expand TDM Bus TDM BUS

Confidential Information of Huawei.

Security Level: Internal

CMUX

CAIE

Data signaling Flow in CIPS To CBTS Outband signaling

To CRPS

Inband signaling

CXIE

CFMR

CSPU

CMUX

ATM Bus

Confidential Information of Huawei.

Security Level: Internal

Contents Chapter 1 Overview of WLL BSC Chapter 2 CIPS Chapter 3 CRPS Chapter 4 Clock System Chapter 5 Summary

Confidential Information of Huawei.

Security Level: Internal

Chapter 3 CRPS



Session 1 Overview to CRPS



Session 2 Introduction to CRPS



Session 3 Traffic & Signaling Flow in CRPS

Confidential Information of Huawei.

Security Level: Internal

CRPS Subrack layout

CX CL CR CR C C CU CM CM CU CP CB CP I E IU MU MU S S M UX UX MB PU PU CU M M B U U 0

1

2

3

Confidential Information of Huawei.

4

5

6

7

8

9

Security Level: Internal

10

11

12

C CLI H U A C 13

14

15

Main function of CRPS Resource management Subscriber data management From original CIPS

Provide A3/A7 physical interface

Packet data AAL5 Cells

Packet data service processing

From original CIPS

Inter-subrack interworking switching

From UTCP

Provide periodical time synchronization

Confidential Information of Huawei.

Security Level: Internal

To target CIPS

GRE Packet

To IWF To Service Subrack

Chapter 3 CRPS



Session 1 Overview to CPRS



Session 2 Introduction to CRPS



Session 3 Traffic & Signaling Flow in CRPS

Confidential Information of Huawei.

Security Level: Internal

Function of CUMB

Paging control Subscriber Data Management

Notes:  The  So

CUMB’s hardware structure is the same as that of CSPU’s.

does the indicator meanings of CUMB.

Confidential Information of Huawei.

Security Level: Internal

Function of CRMU

Processing and distributing the signaling of the A3 interface, A7 interface and A9 interface.

Maintaining, managing and distribution of the A2 interface, A3 interface and A8 interface resources;

Notes:  The CRMU’s hardware structure is the same as that of CSPU’s.  So does the indicator meaning of CRMU. Confidential Information of Huawei.

Security Level: Internal

Function of CSMU RUN

Providing Reduced TDMA Frame Numbers (RFN) and a 32-bit

ALM ACT

Providing two sets of backplane interfaces

RFN counter Performing SAR processing for AAL5 cells at 400Mbps

ETH1

ETH2

Confidential Information of Huawei.

Security Level: Internal

Function of CLIU The switching and multicast functions of the ATM services

Providing synchronization clock distribution function

Providing optical interface backup

CLIU provides ATM optical interface for the connection with the CMUX in CIPS. It bears the inter-subrack signaling and traffic. Confidential Information of Huawei.

Security Level: Internal

Function of CPCU A9 Signaling

Signaling Processing

A11 Signaling

CBPU and PPU Session resource management Setup of signaling and traffic connection Packet call status Notes:  The  So

Maintaining

CPCU’s hardware structure is the same as that of CSPU’s.

does the indicator meanings of CPCU.

Confidential Information of Huawei.

Security Level: Internal

Function of CPPU Packet processing on A10 GRE packet encapsulating & unencapsulating Packet storing and transferring Performance Statistics Resource checking Notes:  The CPPU’s hardware structure is the same as that of CSPU’s.  Confidential Information of indicator meanings of CPPU. So does the Security Level: Internal Huawei.

Function of CBPU

Downlink data buffering, processing and transferring Transferring SDB data to CPCU Re-sequencing the packet Notes:  The CBPU’s hardware structure is the same as that of CSPU’s.  Confidential Information of indicator meanings of CBPU. So does the Security Level: Internal Huawei.

Function of CHAC Transferring the A10 traffic data from PDSN to CBPU; Processing the A8 traffic data from CPPU and SDB data from CPCU, and transferring them to PDSN via the A10 interface; Transferring directly the A11 signaling data from PDSN to CPCU; Transferring directly the A11 signaling data from CPCU to PDSN; Providing 1000M Ethernet interface to PDSN and supporting RFC826 (Ethernet ARP) protocol. Confidential Information of Huawei.

Security Level: Internal

Panel Description of CHAC RUN ALM

RESET

SW1

¿Û ° å

TX O1GIE TX RX

Confidential Information of Huawei.

Security Level: Internal

RX

Chapter 3 CRPS



Session 1 Overview to CPRS



Session 2 Introduction to CRPS



Session 3 Traffic & Signaling Flow in CRPS

Confidential Information of Huawei.

Security Level: Internal

Downlink Data Flow in CRPS

To CIPS

To PDSN

ATM Bus

CHAC

Confidential Information of Huawei.

CBPU

CPPU

Security Level: Internal

CLIU

Uplink Data Flow in CRPS To CIPS

To PDSN

ATM Bus

CHAC

Confidential Information of Huawei.

CBPU

CPPU

Security Level: Internal

CLIU

Data Signaling flow in CRPS To CIPS

To PDSN

ATM Bus

CHAC

Confidential Information of Huawei.

CPCU

CRMU

Security Level: Internal

CLIU

Contents Chapter 1 Overview of WLL BSC Chapter 2 CIPS Chapter 3 CRPS Chapter 4 Clock System Chapter 5 Summary

Confidential Information of Huawei.

Security Level: Internal

Types of Synchronization

 Transmission 

Synchronization

Synchronization between BSC and LE

 Time 

Clock system

Synchronization

Synchronize the radio frame number between BSC and BTS

Confidential Information of Huawei.

Security Level: Internal

CCRM

Functions

CCRM (Satellite synchronization Clock Receiver Module ) is composed of two parts:  GCKP

(GPS/GLONASS& ClocK Processing Board )

 GCKB

(Backplane of CCRM )

Panel of GCKP (Active/Standby) RUN ALM ACT

CLK_B

COM

IN0

COM_B

IN1

OUT

ETH_B

ANT

Panel of GCKP (Active/Standby) RUN ALM ACT

CLK_A

Panel of GCKB

Confidential Information of Huawei.

Security Level: Internal

COM

COM_A

IN0

IN1

OUT

ETH_A

ANT

BSC Clock System Structure Functions

Confidential Information of Huawei.

Security Level: Internal

Physical Connection RUN ALM

ACT

COM

Functions

IN0 IN1 TEST ANT GCKP CLK_B COM_B ETH_B

CLK_A COM_A ETH_A GCKB

RUN

RUN

RUN

ALM

ALM

ALM

ACT

ACT

ACT RESET

RESET

E1/T1

TX RX

TX RX

ETH

ETH

E1/T1

E1/T1

E1/T1

1PPS

1PPS

COM1

COM1

COM2

COM2

CLK1

CLK2

CAIE

Confidential Information of Huawei.

8#CMUX(CRPS)

7#CMUX(CRPS)

Security Level: Internal

Contents Chapter 1 Overview of WLL BSC Chapter 2 CIPS Chapter 3 CRPS Chapter 4 Clock System Chapter 5 Summary

Confidential Information of Huawei.

Security Level: Internal

Chapter 5 Summary

Confidential Information of Huawei.



Session 1 Software Loading Flow



Session 2 Summary of Signaling Flow



Session 3 Summary of Traffic Flow

Security Level: Internal

Software Loading Flow

Download Data/Software

Download Data/Software

Confidential Information of Huawei.

Other boards in CRPS

……

……

BAM

CMUX in CRPS

CMUX in CIPS

Security Level: Internal

Other boards In CIPS

Chapter 5 Summary

Confidential Information of Huawei.



Session 1 Software Loading Flow



Session 2 Summary of Signaling Flow



Session 3 Summary of Traffic Flow

Security Level: Internal

Voice Signaling Flow

Confidential Information of Huawei.

Security Level: Internal

Packet data signalling flow

Confidential Information of Huawei.

Security Level: Internal

IWF signalling flow

Confidential Information of Huawei.

Security Level: Internal

receive a short message CUMB of target RAC6610 (b)

CRPS

(b)

C R M U

C U M B

Um

(c)

(a) (c)

(f) (e)

C S M U (g)

(d) (h)

MS

C B T S

Outband signaling Abis

C /C XB I I EE

C F M R

CIPS C S P U

(i) (i)

Confidential Information of Huawei.

Security Level: Internal

MC

send a short message

Confidential Information of Huawei.

Security Level: Internal

Chapter 5 Summary

Confidential Information of Huawei.



Session 1 Software Loading Flow



Session 2 Summary of Signaling Flow



Session 3 Summary of Traffic Flow

Security Level: Internal

Voice traffic flow

Confidential Information of Huawei.

Security Level: Internal

Packet data traffic flow

Confidential Information of Huawei.

Security Level: Internal

IWF traffic flow

Confidential Information of Huawei.

Security Level: Internal

Voice Traffic Flow

C L I U

C X I E

C F M R

C S P U

C M U X

Original CIPS

C H A C

C E V C

C R M U

C L C B

C P C U

C I W F

C U M B

C A I E

C M U X

C X I E

C B P U

C F M R

C P P U

C S P U

C X I E

C E V C

C M U X

C L C B

C I W F

C A I E

Target CIPS

V5 subscribers are bound to V5 Interface. Confidential Information of Huawei.

Security Level: Internal

Confidential Information of Huawei.

Security Level: Internal