model_paper[1]TSS.doc - TELECOMMUNICATION SWITCHING SIGNALLING MM 60 DURATION 3HRS Q1 a Draw explain circuit for a half duplex telephone with side tone

model_paper[1]TSS.doc - TELECOMMUNICATION SWITCHING...

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TELECOMMUNICATION SWITCHING & SIGNALLING MM: 60 DURATION: 3HRS Q1. a) Draw & explain circuit for a half duplex telephone with side tone coupling. b) Give different switching network configuration and explain where we use folded & non –folded network. c) Give block Diagram of a switching system & explain working. d) Give difference between Single termination & multiple termination switchboards . Q2. a) Based on different signals show a call path is established & cleared. b) Give principle of crossbar switching & show how no of cross points can be reduced. c) Explain touch-tone receiver scheme explain its working. d) What is stored program control (SPC). Explain centralized SPC. Q3. a) Derive the expression for time of unavailability for a single processor & Dual processor system. If MTBF (mean time between failure)= 2000 hrs. MTTR (mean time to repair) = 4 hrs. Calculate time of unavailability for a single processor & Dual processor system. b) Define following traffic parameters 1. Busy Hour.
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  • Summer '18
  • Shiv
  • 4 hrs, 3hrs, 2000 HRS, AWCR

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