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© 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 on theme: "© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration : Unit 2 Slide 1 Unit 2 Modulation and Transmission Schemes."— Presentation transcript:

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

2 © 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

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

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

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

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

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

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

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

10 © 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 DS1 24 1.544M DS1c 48 3.152M DS2 96 6.312M DS3 672 44.736M DS4 4032274.176M North American Hierarchy 48 DS0 T1 Mux (Chan Bank) 1C Mux DS1C

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

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

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

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

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

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

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

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

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

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

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

22 © 2006 ITT Educational Services Inc. IT412 Voice and Data Integration: Unit 2 Slide 22 States and Bitstreams for QAM AmplitudePhaseBit Pattern 10000 20001 190010 290011 1180100 2180101 1270110 2270111

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

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

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

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

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