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Training Center Zhongxing Telecom Pakistan (Pvt.) Ltd

System Architecture of ZXJ10 (V10.0). Training Center Zhongxing Telecom Pakistan (Pvt.) Ltd. Agenda. Overall System Structure Peripheral Switching Module (PSM) Remote Switching Module (RSM) Remote Subscriber Unit (RSU). MP. Overall System Structure. RSM. MSM. RSU. PSM. PSM. SNM.

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Training Center Zhongxing Telecom Pakistan (Pvt.) Ltd

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  1. System Architecture of ZXJ10 (V10.0) Training Center Zhongxing Telecom Pakistan (Pvt.) Ltd

  2. Agenda • Overall System Structure • Peripheral Switching Module (PSM) • Remote Switching Module (RSM) • Remote Subscriber Unit (RSU)

  3. MP Overall System Structure RSM MSM RSU PSM PSM SNM RSM RSU PSM RSU OMM TCP/IP

  4. Overall 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

  5. PSM 2Mb/s To superior office No.7/R2 Overall System Structure • PSM forms an independent exchange

  6. Overall system structure • 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

  7. Overall system structure ---- feature of the ZXJ10 switch(5/7) • -----the multi-module forms an exchange Central module 1-level PSM PSM RSM 2-level RSM RSM RSM 3-level RSU RSU

  8. Overall system structure ---- feature of the ZXJ10 switch(6/7) • -----the multi-module forms an exchange • PSM access way ：Fiber Bus Interface (FBI）board • RSM access Way: Digital Trunk Interface (DTI) board Optical Digital Trunk (ODT) board built-in SDH

  9. Overall system structure ---- feature of the ZXJ10 switch(7/7) • Each processor of the module can control only part of the resources, and execute part of the switching system functions

  10. Peripheral Switching Module(PSM)

  11. Peripheral Switching Module(PSM)----Main function of the 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

  12. Control cabinet #0 Subscriber cabinet #1 Subscriber cabinet #2 Subscriber cabinet #3 Subscriber cabinet #4 PSM cabinets

  13. #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 Peripheral Switching Module(PSM)---- Arrangement diagram of PSM module rack

  14. 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 Peripheral Switching Module(PSM)---- 8k Switch 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

  15. 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 POWERB DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI POWERB POWERB DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI DTI ASIG ASIG ASIG ASIG POWERB MP POWERB SMEM MP MPMP MPMP MPPP MPPP MPPP MPPP MPPP MPPP STB STB STB V5 PEPD MONI POWERB POWERB CKI SYCK SYCK DSN DSN DSNICTL DSNICTL DSNI DSNI DSNI DSNI DSNI DSNI FBI FBI POWERB POWERA SLC SLC SLC S L C SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SPI SPI POWERA POWERA SLC SLC SLC S L C SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC MTT SP SP POWERA

  16. 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

  17. 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 Peripheral Switching Module(PSM)---- Structure of the PSM(1/6)

  18. Peripheral Switching Module(PSM)---- Structure of the PSM(2/6) • PSM consists of the following basic parts: • Switching unit • Subscriber unit • Digital trunk unit • Analog signaling unit • Control part • Synchronization part

  19. 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 Peripheral Switching Module(PSM)---- Structure of the PSM(3/6) Switching network unit

  20. Working mode: active/standby standby active working active standby MP/DSN /DSNI-SP working

  21. Peripheral Switching Module(PSM)---- Structure of the PSM(4/6) 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

  22. Peripheral Switching Module(PSM)---- Structure of the PSM(5/6) Switching Network in PSM • 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;

  23. ………... Peripheral Switching Module(PSM)---- Structure of the PSM(6/6) 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)

  24. Peripheral Switching Module(PSM)---- HWs distribution of DSN in PSM(1/4) • 2 DSN board in a PSM • Working mode :active/standby • Each DSN board is a time division non-blocking switching network with single T structure • 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

  25. Peripheral Switching Module(PSM)---- HWs distribution of DSN in PSM(2/4) DSN 20 21 22 Message communication 0 1 2 3 4 5 6 18 19 Connected with various units Inter-module connection 60 61 62 Standby HW line 63 Self-looping testing

  26. Peripheral Switching Module(PSM)---- HWs distribution of DSN in PSM(3/4) 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

  27. Peripheral Switching Module(PSM)---- HWs distribution of DSN in PSM(4/4) Dual-channel structure the voice channel and the message channel are separated .they go through the different HWs

  28. 2MHW COMM DSNI Total 4 HW lines (HW0~HW3) to COMM board DSNI 4*8M COMM 2MHW 8M HW*16 lines DSNI DSNI 16*8M Total 42 HW lines（HW20-HW61）to various function units DSN DSN T-NET 8M HW*16 lines DSNI 16*8M DSNI 10*8M 8M HW*10 lines DSNI DSNI 16*8M To central SNM network or other module（HW4-HW16） FBI FBI 8M HW*16 lines

  29. Peripheral Switching Module(PSM)---- Structure of the PSM DSNI(digital switching network interface board) Classification: • An interface of MP level (MP-T network) • An interface of SP level (SP –T network)

  30. Peripheral Switching Module(PSM)---- Structure of the PSM DSNI-C(digital switching network interface board) Function: • An interface of MP level (MP-T network) • It drives the various signals transmitted between MP and T network. • 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—T network

  31. Peripheral Switching Module(PSM)---- Structure of the PSM DSNI-S(digital switching network interface board) • Function: • An interface of SP level (SP –T Network) • It drives transmission between function unit and T network. • No data rate conversion • A pair of DSNI boards can handle 16 HWs. SP—DSNI--T network

  32. Peripheral Switching Module(PSM)---- Structure of the PSM 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. These enable the PCM wire signals in T network to be correctly. Note : When HW lines 4~19 are used for intra-module unit connection,the FBI board must be replaced by the DSNI.

  33. 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 Peripheral Switching Module(PSM)---- Structure of the PSM • Subscriber line unit

  34. Peripheral Switching Module(PSM)---- 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

  35. Peripheral Switching Module(PSM)---- Structure of the PSM Subscriber line unit Connection with T-network and communication port • One subscriber unit occupies 2 HW,2 comm. ports. • The unit has realized dynamic time slot distribution，with a line concentration ratio of from 1:1 to 4:1.

  36. Peripheral Switching Module(PSM)---- Structure of the PSM • Digital Trunk unit

  37. Peripheral Switching Module(PSM)---- 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

  38. Peripheral Switching Module(PSM)---- 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

  39. Peripheral Switching Module(PSM)---- Structure of the PSM • Digital Trunk unit • Classification： 1）CAS DTI 2）CCS DTI 3）connection between modules 4）connect with RLM 5）ISDN 30B+D • Connection with T-network and communication port • One digital trunk unit occupies 1 HW,1 comm. port.

  40. Peripheral Switching Module(PSM)---- 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

  41. Peripheral Switching Module(PSM)---- Structure of the PSM • Analog signaling unit DTMF:Dual tone Multi-frequency receiver /sender It is used for receiving the dialed numbers sent by a DTMF subscriber phone and detecting the sent DTMF signals.

  42. Peripheral Switching Module(PSM)---- Structure of the PSM • Analog signaling unit MFC: Multi-frequency compelled unit It handles the receiving and sending of inter-exchange MFC register signals.

  43. Peripheral Switching Module(PSM)---- Structure of the PSM • Analog signaling unit • TONE:Signal tone unit • It can provide various tones for the call services of switching system. • CID:caller identification

  44. Peripheral Switching Module(PSM)---- 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#

  45. Peripheral Switching Module(PSM)---- Structure of the PSM DSP2# • Analog signaling unit • Appendix：860Asig Asig-1:with all the chip TONE/DTMF/MFC/CID/CONF + TONE/DTMF/MFC/CID /CONF Asig-2:without FLASH and conf. Chip for the two DSP DTMF/MFC/CID + DTMF/MFC/CID Asig-3:with FLASH only for DSP1，without conf.chip for all TONE/DTMF/MFC/CID + DTMF/MFC/CID DSP1#

  46. 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 Peripheral Switching Module(PSM)---- Structure of the PSM Control part 1 2 3 4 5 6 7 8 9 10 11121314151617181920 21222324252627

  47. Peripheral Switching Module(PSM)---- Structure of the PSM • Control part • Constitution • a pair of active and standby MP • shared memory board(SMEM) • communication board(COMM) • monitor board(MON) • peripheral environment(PEPD)

  48. Peripheral Switching Module(PSM)---- 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

  49. Peripheral Switching Module(PSM)---- Structure of the PSM Clock synchronous part • 2 SYCK boards • 1 CKI board SYCK(synchronization oscillator) Function：according to the reference clock to generate the synchronous clock for the module or system(PSM). CKI Function：provide 2.048MB/S,2.048MHZ(Bits) interface for SYCK.

  50. Synchronization clock in PSM MP DTU 4MHz/8KHz COMM D S N I (MP) D S N I SP) ASIG F B I MON D S N SLU RSU 16MHz/8kHz 8MHz/8KHz 8MHz/16MHz/8KHz External clock signal (DTI) SYCK CKI BITS

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