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SYSTEM ARCHITECTURE OF ZXJ10(V10.0). CONTENTS Overall System Structure The Structure of Peripheral Switching Module(PSM : 8k) 4k and RLM Switching Network Module The Concrete Configuration of PSM The Structure of Background. OVERALL SYSTEM STRUCTURE. THE FEATURES OF THE ZXJ10 SWITCH.
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CONTENTS • Overall System Structure • The Structure of Peripheral Switching Module(PSM : 8k) • 4k and RLM Switching Network Module • The Concrete Configuration of PSM • The Structure of Background
THE FEATURES OF THE ZXJ10 SWITCH MODULAR SYSTEM STRUCTURE • Switching Network Module (SNM) • Message Switching Module(MSM) • Operation and Maintenance Module (OMM) • Peripheral Switching Module (PSM) • Remote Switching Module (RSM) Central module
MP THE FEATURES OF THE ZXJ10 SWITCH RSM MSM RLM PSM PSM SNM RSM RLM PSM RLM OMM TCP/IP
PSM 2Mb/s To superior office No.7/R2 THE FEATURES OF THE ZXJ10 SWITCH ADVANCED NETWORKING MODE -----PSM Forms an Independent Exchange.
THE FEATURES OF THE ZXJ10 SWITCH -----The Multi-module Forms an Exchange. With a 2-level or 3-lever Networking Capability, Module Can Further Carry Modules. • Two Cases: • Level -1 Is Central Module • Level -1 Is PSM
THE FEATURES OF THE ZXJ10 SWITCH ----CENTRAL MODULE. Central module 1-level PSM RSM RSM 2-level PSM RSM RSM 3-level RSM RLM
THE FEATURES OF THE ZXJ10 SWITCH ----A SINGLE PSM 1-level PSM RLM 2-level RSM PSM 3-level RSM RSM RLM RLM RLM
THE FEATURES OF THE ZXJ10 SWITCH PSM Access Way Fiber Bus Interface (FBI board RSM Access Way Digital Trunk Interface (DTI) Board Optical Digital Trunk(ODT) Board Built-in SDH
THE FEATURES OF THE ZXJ10 SWITCH Fully Distributed Control Mode Units have their own separate control modules while the MP supervises the overall control of all the different units.
MAIN FUNCTIONS OF A PSM In the Single Modules Office ,It Performs the PSTN,ISDN Subscriber Access and Call Handling, In a Multi-module Office ,It Is Connected Into the Central Module As One of the Module Offices .
Control cabinet #0 Subscriber cabinet #1 Subscriber cabinet #2 Subscriber cabinet #3 Subscriber cabinet #4 PSM cabinets
#1 #2 #3 #4 #5 BDT BSLC1 BSLC1 BSLC1 BSLC1 the 6th layer BDT BSLC0 BSLC0 BSLC0 BSLC0 the 5th layer BCTL BSLC1 BSLC1 BSLC1 BSLC1 the 4th layer BNET BSLC0 BSLC0 BSLC0 BSLC0 the 3rd layer BSLC1 BSLC1 BSLC1 BSLC1 BSLC1 the 2nd layer BSLC0 BSLC0 BSLC0 BSLC0 BSLC0 the 1st layer THE ARRANGEMENT DIAGRAM OF A PSM RACK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 P O W B P O W B D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I D T I A S I G A S I G A S I G A S I G P O W B P O W B 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 6 6 6 6 6 7 7 7 7 7 8 8 8 8 8 9 9 9 9 9 10 10 10 10 10 11 11 11 11 11 12 12 12 12 12 13 13 13 13 13 14 14 14 14 14 15 15 15 15 15 16 16 16 16 16 17 17 17 17 17 18 18 18 18 18 19 19 19 19 19 20 20 20 20 20 21 21 21 21 21 22 22 22 22 22 23 23 23 23 23 24 24 24 24 24 25 25 25 25 25 26 26 26 26 26 27 27 27 27 27 P O W B S M E M MP MP C O M M C O M M C O M M C O M M C O M M C O M M P E P D M O N P O W B P O W B C K I S Y C K S Y C K D S N D S N D S N I D S N I D S N I D S N I D S N I D S N I D S N I D S N I F B I F B I P O W B P O W A P O W A S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C S L C M T T S P S P I S P S P I P O W A P O W A 8K SWITCHING MODULE B D T 6 B D T 5 B C T L 4 B N E T 3 B S L C 2 B S L C 1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 POWERA POWERA POWERA SLC SLC SLC SLC SLC SLC SLC SLC SLC S L C S L C S L C SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SPI SPI SPI SPI SPI SPI POWERA POWERA POWERA POWERA POWERA POWERA SLC SLC SLC SLC SLC SLC SLC SLC SLC S L C S L C S L C SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC MTT MTT MTT SP SP SP SP SP SP POWERA POWERA POWERA
8Mb/s Digital trunk unit Subscriber unit 16*8Mb/s FBI SNM Switching unit Signaling unit 8K 8K × MFC DTMF TONE 2Mb/s 2 Mb/s V5.2 No.7 COMM COMM MP0 MP1 THE STRUCTURE OF A PSM
THE STRUCTURE OF THE PSM • PSM Consists of the Following Basic Parts: • Switching Unit • Subscriber Unit • Digital Trunk Unit • Analog Signaling Unit • Control Part • Synchronization Part
1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 P C S S D D D D D D D D D D F F P O K Y Y S S S S S S S S S S B B O W I C C N N N N N N N N N N I I W B K K I I I I I I I I B B B C C T T L L THE STRUCTURE OF THE PSM Switching Network Layer
Working Mode: Active/Standby standby active working active standby MP/DSN /DSNI-SP working
THE STRUCTURE OF THE PSM Switching Network Unit DSN Unit Can Handle Time Slot Switching of the Voice Channel. And Control Message Channel Constitution:2 DSN boards DSN DSN Work mode:active /standby
DIGITAL SWITCHING NETWORK • 2 DSN Board in a PSM • Working Mode :Active/standby • Each DSN Board Is a Time Division Non-blocking Switching Network With Embedded T&S Structure
DIGITAL SWITCHING NETWORK • Main Function: • Performing Voice Channel Connection Switching of Subscribers Inside the Module; • Interconnected With Central Switching Network Module to Realize Inter-module Voice Channel Connection; • For Mp to Set up Message Switching Connection and Communication Via Semi-permanent Connections With Function Units;
………... THE STRUCTURE OF A PSM Switching network unit 0 63 T network unit 1 62 2 61 ………... 31 32 • a 8K×8K T network. • 64 bi-directional HW at 8Mb/s(128TS)
HWS DISTRIBUTION OF DSN IN PSM • Each DSN board has 64 HWS. • A HW bus rate is 8Mb/s(128ts) • Each DSN board has a capacity of 8K*8K time slots
HWS DISTRIBUTION IN PSM Message communication 0 1 2 3 DSN 20 21 22 4 5 6 18 19 Connected with various units Inter-module connection 60 61 Standby HW line 62 63 Self-looping testing
HWS DISTRIBUTION IN PSM Those Starting HW20 Upward Are Used for Connection With Subscriber Units. Each Subscriber Unit Seizes Two HW Lines; Those Starting Hw61 Downward Are Used for Connection With Digital Trunks and Analog Signaling Units. Each Unit Seizes One HW Line; Function SN. HW0~3 4HW Used for Message Communication HW4-19 16HW Used For Inter-module Connections HW20-61 42HW Used for Various Unit Connection Usually a Standby HW Line, Though It Can Also Be for Communication Between Units HW62 1HW HW63 1HW Used for Self-looping Testing
DSNI(DIGITAL SWITCHING NETWORK INTERFACE BOARD) • Classification: • An interface of MP level (MP-T network) • An interface of SP level (SP –T network)
DSNI-C (DIGITAL SWITCHING NETWORK INTERFACE BOARD) Function: An interface of MP level (MP- DSN) • It Drives the Various Signals Transmitted Between MP and DSN. • It Performs the Conversion of 8mb/s Data Stream and 2mb/s Data Stream. • A Pair of DSNI Boards Handle 4 HWs. MP--COMM--DSNI-C--DSN
DSNI-S (DIGITAL SWITCHING NETWORK INTERFACE BOARD) Function: An interface of SP level (SP – DSN) • It Drives Transmission Between Function Unit and DSN. • No Data Rate Conversion • A Pair of DSNI Boards Can Handle 16 HWs. SP--DSNI-S--DSN
FBI (Fiber Bus Interface) It Applies Synchronous Multiplexing Technique and Optical Fiber Technique to Implement the Interconnections of Modules . It Uses Two Optical Fiber Lines to Transmit up to 16 Lines of 8mb/s PCM Signals It Can Reduce Connection Wires and Increase Anti-interference Ability of the System, and to Reduce Mutual Cross Talks Among Wires.
FBI(Fiber Bus Interface) Note : When HW Lines 4~19 Are Used for Intra-module Unit Connection,the FBI Board Must Be Replaced by the DSNI.
1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 P S S S S S S S S S S S S S S S S S S S S S S P O L L L L L L L L L L L L L L L L L L L L P P O W C C C C C C C C C C C C C C C C C C C C I I W A 1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 2 A 0 1 2 3 4 5 6 7 8 9 0 P S S S S S S S S S S S S S S S S S S S S M S S P O L L L L L L L L L L L L L L L L L L L L T P P O W C C C C C C C C C C C C C C C C C C C C T W A 1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 2 A 0 1 2 3 4 5 6 7 8 9 0 THE STRUCTURE OF THE PSM Subscriber line unit
THE STRUCTURE OF THE PSM Subscriber line unit • 2 SP:Active/standby • 2 SPI(SP interface);active/standby • MTT(multi-task test board):used for subscriber line test • Max.40 SLC(subscriber line circuit) • Each SLC board can provides 24 subscriber lines • A subscriber unit occupies 2 HWs and 2 Comm. ports
THE STRUCTURE OF THE PSM Digital trunk unit
THE STRUCTURE OF THE PSM Digital trunk unit The Digital Trunk Unit Is the Interface Unit Between the Digital Switching System or Between Digital SPC Switches and Digital Transmission Devices. A B DT DT PCM 2Mb/s
THE STRUCTURE OF THE PSM Digital trunk unit • One DT unit only has one DTI board • One DTI board has 4 PCM (sub-unit) DTI PCM1 Provide 120 digital trunk subscribers for every board PCM2 PCM3 PCM4
THE STRUCTURE OF THE PSM Classification: DTI can be configured as CAS CCS Module Connect(Connection between modules) BRSU/ARSU (Connection with RLM/RSU) ISDN PRA (Primary Rate ISDN) • One digital trunk unit occupies 1 HW,1 comm. port.
THE STRUCTURE OF THE PSM Analog signaling unit • One Analog signaling unit only has one ASIG board. • ASIG board can be configured as • ---DTMF function • ---MFC function • ---TONE function • ---CID function • ---Conf. function
The structure of the PSM Analog signaling unit • Each ASIG Provides 120 Channels. • One ASIG Board Is Divided Into 2 Sub-units,to Be Separately Configured. DSP2# DSP1#
DSP2# DSP1# ASIG-1: With all the chip Chip 1: TONE/DTMF/MFC/CID/CONF Chip 2: TONE/DTMF/MFC/CID /CONF ASIG-2: W/O Conf. Chip for both DSPs Chip 1: DTMF/MFC/CID Chip 2: DTMF/MFC/CID ASIG-3: With TONE only for DSP1 Without Conf.Chip for both DSPs Chip 1: TONE/DTMF/MFC/CID Chip 2: DTMF/MFC/CID
P S M M C C C C C C C C S S S V P M P O M P P O O O O O O O O T T T 5 E O O W E M M M M M M M M B B B P N W B M M M M M M M M M D B 1 2 3 4 5 6 7 8 THE STRUCTURE OF THE PSM Control part 1 2 3 4 5 6 7 8 9 10 11121314151617181920 21222324252627
THE STRUCTURE OF THE PSM Control part • A Pair of Active and Standby MP • Shared Memory Board(SMEM) • Communication Board(COMM) • Monitor Board(MON) • Peripheral Environment (PEPD)
THE VOICE CHANNEL Suppose one subscriber in one SLU call another subscriber in another SLU,the voice channel will be as follows. SP---DSNI---DSN(T-network)---DSNI---SP
The Message Channel SNM or other PSM FBI DSNIC HW0至HW3 MP C O M M DSN DSNI-S function unit
THE STRUCTURE OF THE PSM Clock synchronous part Retrieving the reference clock from the superior exchange(DTI or FBI) ,it provides synchronization timing signals SYCK SYCK CKI Working mode:Active/standby
SYNCHRONIZATION MODE Other country international office Plesiochronous International office International office LS TS TS Master/slave synchronization Plesiochronous LS LS TMS Master/slave synchronization BITS(building integrated timing supply) RSM End office
THE STRUCTURE OF THE PSM Clock synchronous unit • 2 SYCK boards • 1 CKI board SYCK(synchronization oscillator) According to the reference clock generates the synchronous clock for the module or system(PSM).