1 / 32

GENERAL ARCHITECTURE OF OCB-283

GENERAL ARCHITECTURE OF OCB-283. SUBSYSTEMS & FUNCTIONS OF OCB-283. GENERAL FUNCTIONAL BREAKDOWN OF ALCATEL 1000 E-10 (OCB-283). CCITT #7 SIGNALLING NETWORK. TELEPHONE NETWORK. SUBSCRIBER ACCESS SYSTEM. CONNECTION AND CONTROL. DATA NETWORK. VALUE ADDED NETWORK. DISK.

Anita
Télécharger la présentation

GENERAL ARCHITECTURE OF OCB-283

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. GENERAL ARCHITECTURE OF OCB-283 SUBSYSTEMS & FUNCTIONS OF OCB-283

  2. GENERAL FUNCTIONAL BREAKDOWN OF ALCATEL 1000 E-10 (OCB-283) CCITT #7 SIGNALLING NETWORK TELEPHONE NETWORK SUBSCRIBER ACCESS SYSTEM CONNECTION AND CONTROL DATA NETWORK VALUE ADDED NETWORK DISK OPERATION AND MAINTENANCE O&M NETWORK PABX MAGTAPE

  3. OCB-283 ARCHITECTUREOCB-283 COMPRISES OF FOLLOWING 3 SUBSYSTEMS • SUBSCRIBER ACCESS SUBSYSTEM • CONTROL & CONNECTION SUBSYTEM • OPERATION & MAINTENANCE SUBSYTEM CCITT #7 SIGNALLING NETWORK TELEPHONE NETWORK SUBSCRIBER ACCESS SYSTEM CONNECTION AND CONTROL DATA NETWORK VALUE ADDED NETWORK DISK OPERATION AND MAINTENANCE O&M NETWORK PABX MAGTAPE

  4. INTRODUCTION OF OCB-283 • Exchange has got 3 basic subsystems :- • 1 SUBSCRIBER ACCESS SUBSYSTEM • 2 CONNECTION & CONTROL SUBSYSTEM • 3. OPERATION & MAINTENANCE SUBSYSTEM

  5. INTRODUCTION OF OCB-283 • 1. Subscriber Access Subsystem:- • This is treated as an independent entity • Every Subscriber Connecting Equipment Rack has got its Signalling Point Number to operate in Common Channel Signalling mode with rest of the exchange Subsystems.

  6. INTRODUCTION OF OCB-283 • 2. Control & Connection Subsystem is the block consisting of • A-CONTROL FUNCTIONS • B-CONNECTION & SWITCHING EQUIPMENTS

  7. INTRODUCTION OF OCB-283 • A-CONTROL FUNCTIONS • COMPRISE OF COMMON CONTROL equipments which; • process • monitor • & control the call setup & release

  8. INTRODUCTION OF OCB-283 3. OPERATION & MAINTENANACE SUBSYTEM :- FOR O&M OF EXCHANGE BY OPERATORS

  9. LET US NOW UNDERSATANDCOMMON CHANNEL SIGNALLINGBEFORE GOING FURTHER

  10. OCB-283 FOLLOWS CCITT-NO 7 SIG.PROTOCOL FOR COMMON CHANNEL SIGNALLING COMMON SIGNALLING CHANNEL EXCHANGE B EXCHANGE A VOICE CHANNELS EXCHANGE C SIGNALLING TIME SLOT LINK CARRIES ALL THE SIGNALLING FOR ALL THE VOICE CHANNELS BETWEEN TWO EXCHANGES

  11. functional architecture of ocb-283

  12. MQ GX MR TX TR PC OCB-283 FUNCTIONAL DIAGRAM CSNL SMX LR (4MB / S) DT CSND BT 2 MB/S PCM MCX LR LR SMT URM COM ETA PU PE CKTS SMA COMMUNICATION MULTIPLEX TMN OM

  13. MQ GX MR TX TR PC SUBSCRIBER ACCESS SUBSYSTEM CSNL SMX LR (4MB / S) DT CSND BT 2 MB/S PCM MCX LR LR SMT URM COM ETA PU PE CKTS SMA COMMUNICATION MULTIPLEX TMN OM

  14. MQ GX MR TX TR PC CONNECTION SUBSYSTEM CSNL SMX LR (4MB / S) DT CSND BT 2 MB/S PCM MCX LR LR SMT URM COM ETA PU PE CKTS SMA COMMUNICATION MULTIPLEX TMN OM

  15. CONTROL SUBSYSTEM MQ GX MR TX TR PC OCB-283 FUNCTIONAL DIAGRAM CSNL SMX LR (4MB / S) DT CSND BT 2 MB/S PCM MCX LR LR SMT URM COM ETA PU PE CKTS SMA COMMUNICATION MULTIPLEX TMN OM

  16. MQ GX MR TX TR PC OCB-283 FUNCTIONAL DIAGRAM CSNL SMX LR (4MB / S) DT CSND BT 2 MB/S PCM MCX LR O & M SUBSYSTEM LR SMT URM COM ETA PU PE CKTS SMA COMMUNICATION MULTIPLEX TMN OM

  17. IN OCB-283

  18. CALL PROCESSING MCX CSNL CSNL SC SC VC VC CSND URM ETA SC COM PU/PE CKTS SC FUNCTIONAL EQUIPMENTS INVOLVED IN CALL HANDLING MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  19. ‘B’ ‘A’ MCX CSNL CSNL SC SC VC VC CSND URM ETA SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM CALL PROCESSING NEW CALL ORIGINATION • TS-16 OF LR 0 &LR 1 OF CSN ARE SIGNALLING CHANNELSSC BETN. CSN & THE EXCHANGE EQUIPMENT (PU/PE)

  20. ‘B’ ‘A’ MCX CSNL CSNL SC SC VC VC CSND URM ETA SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM CALL PROCESSING NEW CALL ORIGINATION • TS-16 OF LR 0 &LR 1 OF CSN ARE SIGNALLING CHANNELSSC BETN. CSN & THE EXCHANGE EQUIPMENT (PU/PE) • NEW CALL MESSAGE COMES ON SIG.CHANNEL SC

  21. ‘B’ ‘A’ MCX CSNL CSNL SC SC VC VC CSND URM ETA SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM CALL PROCESSING CALLING SUBS. COS IDENTIFICATION • NEW CALL MESSAGE IS SENT TO MR BY PUPE.

  22. ‘B’ ‘A’ MCX CSNL CSNL SC SC VC VC CSND URM ETA SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM CALL PROCESSING CALLING SUBS. COS IDENTIFICATION • NEW CALL MESSAGE IS SENT TO MR BY PUPE. • MR REQUESTS CALLING SUBSCRIBER DATA FROM TR ..OVER MIS • TR PROVIDES CALLING SUB’S COS DATA TO MR

  23. ‘B’ ‘A’ MCX CSNL CSNL SC SC VC VC CSND URM ETA SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM CALL PROCESSING MCX SIDE ADDRESS OF VC • MR REQUESTS MQ TO PROVIDE ADDRESS OF VC ON MCX (LR-LRX CORRESPONDENCE) • MQ PROVIDES MCX SIDE ADDRESS TO MR

  24. ‘B’ ‘A’ CALL PROCESSING DIAL TONE PROVISION TO CALLING SUBS. MCX CSNL CSNL SC SC VC DT CSND URM ETA • MR ORDERS MCX FOR CONNECTING DIAL TONE TO CALLING SUBS. ON LRS-TS VC • DIAL TONE IS PROVIDED FROM MCX (DIALTONE GIVEN BY ETA’s TS-LRE TO MCX) SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  25. ‘B’ ‘A’ CALL PROCESSING RECEPTION OF FIRST DIGIT MCX CSNL CSNL SC SC VC CSND URM ETA RGF • FIRST DIGIT IS RECEIVED VIA VOICE CHANNEL VC IN RGF OF ETA (FOR DTMF SUBS.) SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  26. ‘B’ ‘A’ CALL PROCESSING RECEPTION OF FIRST DIGIT MCX CSNL CSNL SC SC VC CSND URM ETA RGF • FIRST DIGIT IS RECEIVED VIA VOICE CHANNEL VC IN RGFOF ETA (FOR DTMF SUBS.) • ETA SENDS IT TO MR ON MAS • DIAL TONE IS CUT OFF ON ORDERS OF MR SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  27. ‘B’ ‘A’ CALL PROCESSING DIGIT ANALYSIS MCX CSNL CSNL SC SC VC CSND URM RGF • FIRST FEW DIGITS ARE PRE-ANALYSED ON REQUEST OF MR BY TR • REMAINING DIGITS MAY BE STILL BEING RECEIVED SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  28. CALL PROCESSING SELECTION ‘B’ ‘A’ MCX CSNL CSNL SC SC A B VC CSND URM RGF • ANALYSIS OF DIGITS COMPLETED CALLED PARTY COS OBTAINED ROUTING OF CALL - • MR ORDERS CSN-B TO TEST ‘B’ & GIVE VC FOR ‘B’ • CSN-B TESTS ‘B’ AND GIVES RINGING TO ‘B’ • MCX GIVES RBT TO ‘A’ SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  29. ‘B’ ‘A’ CALL PROCESSING CALLED PARTY ANSWERS MCX CSNL CSNL SC SC VC-B VC-A CSND URM RGF • CALLED PARTY B GOES OFF HOOK • CALLED PARTY’S CSN SENDS LOOP CONDITION & VC-B INFORMATION TO MR OVER SC VIA PUPE • RINGING CURRENT & RBT ARE STOPPED SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  30. ‘B ‘A’ CALL PROCESSING BOTHWAY CONNECTION MCX CSNL CSNL SC SC VC-B VC-A CSND URM RGF • TWO UNIDIRECTIONAL CONNECTIONS ARE ESTABLISHED IN MCX ON ORDER OF MR VIA GX BETWEEN VC-A & VC-B • ‘A’ & ‘ B ‘ CAN NOW CONVERSE SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  31. ‘B ‘A’ CALL PROCESSING CHARGING (METERING) MCX CSNL CSNL SC SC VC-B VC-A CSND URM RGF • TWO UNIDIRECTIONAL CONNECTIONS ARE ESTABLISHED IN MCX ON ORDER OF MR VIA GX • ‘A’ & ‘ B ‘ CAN NOW CONVERSE • CHARGING IS STARTED BY TX - MR RELEASED SC COM PU/PE CKTS SC MAS TX TR MR MQ GX PC MIS SC: Signalling channel VC: Voice channel OM

  32. OCB-283 EXCH AND YOUR METER IS RUNNING HERE!!!

More Related