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Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
Sanjay
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Sanjay

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SUMMER TRAINING PROJECT REPORT

SUMMER TRAINING PROJECT REPORT

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  • hi...plz send me ppt of dis to my mail id vijju_s@ymail.com....plz plz...
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  • 1. SIX WEEKS TRAINING IN BSNL(J&K,SRINAGAR)
  • 2. <ul><li>Submitted by </li></ul><ul><li>SANJAY </li></ul><ul><li>ECE-A </li></ul>SEMINAR ON OCB-283
  • 3. GENERAL ARC HITECTURE OF OCB-283 SUBSYSTEMS & FUNCTIONS OF OC B-283
  • 4. <ul><li>Exchange has got 3 basic subsystems :- </li></ul><ul><ul><ul><li>1 SUBSCRIBER ACCESS SUBSYSTEM </li></ul></ul></ul><ul><ul><ul><li>2 CONNECTION & CONTROL SUBSYSTEM </li></ul></ul></ul><ul><ul><ul><li>3. OPERATION & MAINTENANCE SUBSYSTEM </li></ul></ul></ul>INTRODUCTION OF OCB-283
  • 5. COMMUNICATION MULTIPLEX OM COM ETA PU PE SMT URM MCX CSNL CKTS LR ( 4MB / S) DT LR LR TMN 2 MB/S PCM CSND BT OCB-283 FUNCTIONAL DIAGRAM SMA SMX MQ GX MR TX TR PC CONTROL SUBSYSTEM
  • 6. CONTROL SUBSYSTEM <ul><li>CONTROL SUBSYSTEM SUPPORTS ALL THE COMOMN CONTROL FUNCTIONS OF EXCHANGE WHICH SETUP & RELEASE A CALL </li></ul><ul><li>COMMON CONTROL FUNCTIONS ARE :- MR,TR,TX,MQ,GX & PC </li></ul><ul><li>IN SOFTWARE FORM THEY ARE CALLED LOGICAL MACHINES </li></ul><ul><li>HARDWARE COMPONENT IS CALLED MAIN CONTROL STATION SMC </li></ul><ul><li>ANY ONE OR MANY CONTROL FUNTIONS CAN BE LOADED IN A HARDWARE STATION. </li></ul>
  • 7. ROLE OF COMMON CONTROL FUNCTIONS <ul><li>THE MAIN CONTROL STATION SMC SUPPORTS THE FOLLOWING COMMOMN CONTROL FUNCTIONS FOR DOING THE DEFINED JOBS </li></ul><ul><li>- MR CALL HANDLER( OVERALL CONTROLLER OF CALLSETUP & RELASE) </li></ul><ul><li>- TR TRANSLATOR (DIGIT ANALYSIS & DATA ) </li></ul><ul><li>- TX CHARGING DEVICE ( TAXING & METERS) </li></ul><ul><li>- MQ MESSAGE DISTRIBUTOR (MARKING ) </li></ul><ul><li>- GX MATRIX SYSTEM HANDLER (SWITCHING) </li></ul><ul><li>- PC CCS 7 SIGNALLING LINKS NETWORK CONTROLLER (MONITORING OF PUPE) </li></ul>
  • 8. OM COM ETA PU PE SMT URM MCX CSNL CKTS LR ( 4MB / S) DT LR LR COMMUNICATION MULTIPLEX TMN 2 MB/S PCM CSND BT OCB-283 FUNCTIONAL DIAGRAM SMA SMX O & M SUBSYSTEM MQ GX MR TX TR PC
  • 9. HARDWARE ARCHITECTURE OF OCB-283
  • 10. HARDWARE ARCHITECTURE OF OCB-283 LINK TO TMN SMA 2 TO 64 STS 1x3 SMC SMM MCX SMX (1 TO 8)x2 MAS (1 TO 4) A&B MIS 1 A&B SMC (2 TO 32) SMT (1 TO 64)x2 OPERATION &MAINTENANCE TERMINALS CONTROL TERMINAL CIRCUITS VDU TTY 16 LR’S LR LR PCM CSNL CSND CSED 2TO 16 2 TO 4
  • 11. OCB-283 COMPONENTS <ul><li>1. SUBSCRIBER ACCESS UNIT CSN :- CALLED DIGITAL SUBSCRIBER CENTRE CSN </li></ul><ul><ul><li>IT CAN BE LOCAL -> CSNL </li></ul></ul><ul><ul><li>OR DISTANT ->CSND </li></ul></ul><ul><li>2.CIRCUIT TERMINATION UNIT SMT :- CIRCUITS ARE TERMINATED ON TRUNK MULTIPLEX CONNECTION UNIT ITS FUNCTION IS CALLED URM </li></ul>
  • 12. <ul><li>3. COMMON CONTROL UNITS: </li></ul><ul><li>CALLED MAIN MULTIPROCESSOR CONTROL STATION SMC , CONTROL UNITS SUPPORT FOLLOWING CONTROL FUNCTIONS MR,TR,TX,MQ,GX,& PC IN SOFTWARE FORM </li></ul><ul><li>4. AUXILIARY UNITS:- </li></ul><ul><li>CALLED SMA THESE UNITS SUPPORT FUNCTIONS FOR SIGNALS & TONES: ETA & PU/PE </li></ul>OCB-283 COMPONENTS
  • 13. <ul><li>5. SWITCHING MATRIX UNIT </li></ul><ul><li>CALLED SWITCHING MATRIX STATION SMX COMPRISES OF </li></ul><ul><ul><li>SWITCHING MATRIX-> MCX </li></ul></ul><ul><ul><li>SWITCHING SOFTWARE FUNCTION CALLED -> COM </li></ul></ul><ul><li>6.OPERATION & MAINTENANCE UNIT SMM :- ITS FUNCTION IS CALLED OM </li></ul><ul><li>7. COMMUNICATION MULTIPLEX :- THESE ARE MIS & MAS </li></ul>OCB-283 COMPONENTS
  • 14. HARDWARE STATIONS OF OCB-283 <ul><li>CSN : SUBS.ACC UNIT </li></ul><ul><li>SMC :MAIN CONTROL STATION </li></ul><ul><li>SMA :AUXILIARY EQPT CONTROL STATION </li></ul><ul><li>SMT :TRUNK CONTROL STATION </li></ul><ul><li>SMX :MATRIX CONTROL STATION </li></ul><ul><li>SMM :MAINTENANCE STATION </li></ul><ul><li>STS :SYNCH. TIME BASE </li></ul><ul><li>MIS :INTERSTATION COMM. MULTIPLEX </li></ul><ul><li>MAS :STATION ACCESS COMM. MULTIPLEX </li></ul>LINK TO TMN SMA STS SMC SMM MCX SMX MAS MIS SMT OPERATION &MAINTENANCE TERMINALS CONTROL TERMINAL CIRCUITS VDU TTY PCM CSNL CSND CSED SMC SMC
  • 15. HARDWARE STATIONS OF OCB-283 <ul><li>CSN: SUBS. ACCESS UNIT </li></ul>LINK TO TMN SMA STS SMC SMM MCX SMX MAS MIS SMT OPERATION &MAINTENANCE TERMINALS CONTROL TERMINAL CIRCUITS VDU TTY PCM CSNL CSND CSED SMC SMC
  • 16. HARDWARE STATIONS OF OCB-283 <ul><li>CSN :SUBS.ACC UNIT </li></ul><ul><li>SMC :MAIN CONTROL STATION </li></ul>LINK TO TMN SMA STS SMC SMM MCX SMX MAS MIS SMT OPERATION &MAINTENANCE TERMINALS CONTROL TERMINAL CIRCUITS VDU TTY PCM CSNL CSND CSED SMC SMC

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