© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration : Unit 2 Slide 1 Unit 2 Modulation and Transmission Schemes.

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Presentation transcript:

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration : Unit 2 Slide 1 Unit 2 Modulation and Transmission Schemes

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 2 Objectives Describe Analog communication, its principles and service deployments  Describe Basic Analog Signal Transmission Technique  Compare and contrast Amplitude, wavelength and frequency  Describe how a D to A converter works  Describe tip and ring circuits Describe T1 physical, framing and line-coding schemes  Provide T1 Line-Coding Schemes  Describe T1 Framing and formatting Compare and contrast T3 and E3 technology  Compare and contrast synchronous and asynchronous transmissions  Draw a T3 Frame Describe ISDN networks and their technical specifications  Explain the purpose of a Network Interface Device and the ISDN reference Points  List the current ISDN Specifications Describe DSL history and encoding technologies  Explain the history of DSL  Describe how QAM operates and the possible states and bitstreams for QAM

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 3 Basic Analog Signal Transmission

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 4 Analog Signal Stream

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 5 Amplitude, Wavelength and Frequency

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 6 Analog Signal with Noise

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 7 NEXT and FEXT pm a Local LOOP

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 8 A/D Conversion Example

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 9 Deployment of an IDLC in a Neighborhood

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 10 North American Digital Hierarchy 24 DS0 T2 Mux (M1-2) DS1DS2 T3 Mux (M2-3) DS3 DS1 DS2 T4 Mux (M3-4) DS3 DS4 T3 Mux (M1-3) 28 DS1 Level# Voice bps DS0 1 64k DS M DS1c M DS M DS M DS M North American Hierarchy 48 DS0 T1 Mux (Chan Bank) 1C Mux DS1C

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 11 TDM

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 12 T1 Connector Pinouts

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 13 Various Line Coding Schemes

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 14 Channelized T3

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 15 M12 Multiplexing

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 16 Frame and Sub Frame Alignment

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 17 Bit Stuffing

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 18 Circuit Switching

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 19 High Level Overview of ISDN Local LOOP

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 20 ISDN Reference Point

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 21 QAM

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 22 States and Bitstreams for QAM AmplitudePhaseBit Pattern

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 23 CAP Frequency Spectrum for ADSL

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 24 Frequency Spectrum for ADLS

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 25 DSL Components

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 26 Integrated POTS Splitter