Www.convergencetechnologycenter.org DUE 402356 Convergence Technology MODULE 2 - LEARNING OUTCOME 5 Describe signaling and its importance to telecommunications.

Slides:

Advertisements

Similar presentations

Chapter Eight: The Telephone System

Advertisements

TELECOMMUNICATIONS CONCEPTS

Analog and Digital Signals

Principles of Electronic Communication Systems

© 2009 Pearson Education, Inc. Publishing as Prentice Hall 6-1 Raymond Panko’s Business Data Networks and Telecommunications, 7th edition May only be used.

Sistem Telepon Pertemuan 11 Matakuliah: H0122 / Dasar Telekomunikasi Tahun: 2008.

Alexander Graham Bell By Hannah Jennings And his Invention of the Telephone And his Invention of the Telephone.

Lecture 51 The Telephone System. Lecture 52 The Telephone System The modern telephone system draws from these Electrical Engineering subdisciplines: Signal.

1 Lecture 27 Physical Layer (Data and Signals) University of Nevada – Reno Computer Science & Engineering Department Fall 2010 CPE 400 / 600 Computer Communication.

© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 1 Version 4.0 OSI Physical Layer Network Fundamentals – Chapter 8.

The Telephone Instrument

1 © 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Introduction to Packet Voice Technologies Cisco Networking Academy Program.

The Telephone and Telephone Line Chapter 2 Overview of a Telephone System Telephone set’s major parts Transmitter Converting sound wave to electrical.

Technology Fundamentals Chapter 2. Knowledge Checkpoints Types of transmissions Connections Data conversions Modem concepts Hardware associated with modems.

CMPE 150- Introduction to Computer Networks 1 CMPE 150 Fall 2005 Lecture 7 Introduction to Networks and the Internet.

1 Chapter 2 The Physical Layer The lowest layer of reference model. It defines the mechanical, electrical, and timing interfaces to the network.

1 Fall 2005 Long Distance Communication Carriers, Modulation, And Modems Qutaibah Malluhi Computer Science and Engineering Qatar University.

DUE Security and Fire Alarm Systems LEARNING OUTCOME 7B Describe design overview and location considerations.

A Probe into Basic Telephony and Telecommunications Jon F. Johnson Extension Area Specialist Virginia Cooperative Extension.

1 Introduction to Telephony and POTS lines Introduction to Telephony and POTS lines BASIC TELECOMMUNICATIONS.

Physical Layer B. Konkoth.

1 RF (Radio Frequency) technology Part ll RF (Radio Frequency) technology Part ll BASIC TELECOMMUNICATIONS.

The Physical Layer Chapter Digital Modulation and Multiplexing Baseband Transmission Passband Transmission Frequency Division Multiplexing.

DUE Router and Switch Configuration Software Installation Module 2.

Data Transmission The basics of media, signals, bits, carries, and modems (Part II)

Review: The application layer. –Network Applications see the network as the abstract provided by the transport layer: Logical full mesh among network end-points.

Signaling and Switching Chapter 6. Objectives In this chapter, you will learn to: Define modulation and explain its four basic versions Explain the different.

TDC 461: Basic Telecommunications DePaul University 9 April, 2001 LoriLee M. Sadler.

DUE Telephone /VoIP Learning Activity 4 Learning Outcomes 1 and 5.

جلسه ششم شبکه های کامپیوتری به نــــــــــــام خدا.

ECEN 621, Prof. Xi Zhang ECEN “ Mobile Wireless Networking ” Course Materials: Papers, Reference Texts: Bertsekas/Gallager, Stuber, Stallings,

Introduction to Packet Voice Technologies Cisco Networking Academy Program.

CIS-325: Data Communications1 CIS-325 Data Communications Dr. L. G. Williams, Instructor.

Section 3.1: Wires, Cables, and Connectors Scott Glogovsky and Jonathon Sturm Scott Glogovsky and Jonathon Sturm.

Business Data Communications, by Allen Dooley, (c) 2005 Pearson Prentice Hall Chapter Two 1 Business Data Communications Chapter Two Physical Layer Fundamentals.

Public Switched System. Telecom Infrastructure Edge Connection –Terminal Equipment Phone Fax Modem DSL –Subscriber Loop Core Switching –Central office.

Voice Over Internet Protocol (VoIP) Copyright © 2006 Heathkit Company, Inc. All Rights Reserved Presentation 2 – VoIP Versus PSTN.

© 2006 ITT Educational Services Inc. IT412 Voice and Data Integration : Unit 1 Slide 1 Unit 1 Overview of the (Public Switched Telephone Network) PSTN.

Telephony System Public switched telephone network

Telecommunication II.

ELECTRONIC COMMUNICATIONS A SYSTEMS APPROACH CHAPTER Copyright © 2014 by Pearson Education, Inc. All Rights Reserved Electronic Communications: A Systems.

Telecommunication Networks. Rajiv Gandhi Memorial Telecom Training Center.

Graphics courtesy of Prof. D. Dodds, Univ. of Saskatchewan 1 EE489 – Telecommunication Systems Engineering –University of Alberta, Dept. of Electrical.

COMPUTER NETWORKS Ms. Mrinmoyee Mukherjee Assistant Professor St. Francis Institute of Technology, Mount Poinsur, S.V.P Road, Borivli (west), Mumbai

Chapter 2 The Physical Layer.

3 Types of Telecommunications

Net 222: Communications and networks fundamentals (Practical Part)

CSE, IT– III SEM Course Name- Digital & Analog Communication Manav Rachna College of Engg.

The Telephone Analog vs Digital View the video first: Digital

Figure 2-1 Anatomy of a sine wave One Second One cycle V = Voltage t = time A = Amplitude One cycle per second = one Hertz a a.

 One of the simplest devices we have in our house.  very simple because the telephone connection to our house has not changed in nearly a century. Introduction.

Unit-4 Telephone system

TELEPHONE TRANSMISSION SYSTEMS

The Physical Layer Chapter 2. The Theoretical Basis for Data Communication Fourier Analysis Bandwidth-Limited Signals Maximum Data Rate of a Channel.

Fifth Lecture Transmission Media. The physical path between the transmitter and receiver.

Chapter 6 Long Distance Communication. Long-Distance Communication Important fact: an oscillating signal travels farther than direct current For long-distance.

Introduction to Switching Systems Lecture 1 Course Instructor: Marzia Alam.

Introduction to Packet Voice Technologies

Circuit Switching and Telephone Network

Topics to be discussed Transmission line Type of connections

Telecommunications & Networks

CHAPTER 3 Physical Layer.

Physical Layer – Part 2 Data Encoding Techniques

Communication Satellites

Lecture 5: TELEPHONE NETWORK

Lecture 5: TELEPHONE NETWORK.

Physical Layer – Part 2 Data Encoding Techniques

Lecture 3: TELEPHONE NETWORK.

Business Data Communications & Networking

Presentation transcript:

DUE Convergence Technology MODULE 2 - LEARNING OUTCOME 5 Describe signaling and its importance to telecommunications and differentiate various signaling techniques involved in telephony.

What Makes the Telephone Work? The hook switch The Microphone The Speaker ECHO Voice Telephony Fundamentals

Anatomy of the phone Hook Switch Microphone Speaker To Wall Jack

Microphone Speaker Duplex Coil To Wall Jack Touchtone Keypad Ringer Hook Switch Telephone components with duplex coil and touchtone keypad

Component Configuration 300 Ohm 9 Volt Green wire Red wire Battery Resistor

Telephone Carbon Microphone Electric Contact Carbon Granules Vibrating Diaphragm Wires

Diaphragm Voice coil Magnet SuspensionDust cap - + How a speaker works

Wires and Cables Residential Cabling The Telephone Network cabling Signaling and Transmission Analog Signals Digital Signals Voice Telephony Fundamentals

Dual tone dialing pad

Entrance bridge Ground wire From the Central Office To phones inside house Entrance Bridge

Roadside wiring concentrator Typical phone company boxe (wiring concentrator) that you have seen by the side of the road

Residential cabling Residences

Waveform Sine Wave Anatomy Frequency Wavelength Amplitude Signal Phase Voice Telephony Fundamentals

Electromagnetic wave form

Anatomy of a sine wave One Second One cycle V = Voltage t = time A = Amplitude One cycle per second = one Hertz a a One Hertz t

Cycles per second 2 cycles per second (2 Hz) 1 cycle per second (1 Hz) 4 cycles per second (4 Hz) One Second

Phase Shift

Analog signal being digitized

Digital Signal types Unipolar Manchester Bipolar Return to Zero Bipolar Nonreturn to Zero Differential Manchester

The Codec Analog Phone Digital Transmission (Digital Data Lines Codec Analog Signal Digital Signal

Analog to Digital to Analog Central office A/D conversion Central Office D/A conversion DallasBoston

Local and Long-Distance Calling The Protocol for Making a Phone Call DTMF (Dual-Tone MultiFrequency) Voice Telephony Fundamentals

Dual tone dialing pad

Transmission Lines Attaching Transport Devices Circuits Two-Wire Circuits Four-Wire Circuits The Effects of Attenuation When Using Two-Wire or Four-Wire Voice Telephony Fundamentals

Analog to Digital to Analog Central office A/D conversion Central Office D/A conversion DallasBoston

Two-wire and four-wire pairs Four wire – two pair Outer Jacket Braided shield Foil shield Twisted Pairs Eight wire - four pair Twisted Pair Plastic insulation Outer Jacket

Two-wire circuit as used in the Local Loop

Four-wire circuit Customer SiteCarrier Transmit Receive

Lines and Trunks CPE Switches Network Switches Channels Virtual Circuits Flavors of Virtual Circuits Network Connections Voice Telephony Fundamentals

CPE lines, trunks, switches Core Network Class 4 Switches Interexchange Trunks Class 5 Switches Subscriber Lines Local Exchange Trunks Local Loop PBX Business Phones CPE International Gateway PBX Residential Phones

Bandwidth Getting more out of a wire pair Bandwidth and the Electromagnetic Spectrum Electromagnetic Spectrum Voice Telephony Fundamentals

Electromagnetic Spectrum

The anatomy of an analog voice channel Frequency multiplexed voice signals Bandwidth of a voice channel

Questions: Feel free to contact the creator of this material Peter Brierley, Professor, Collin County Community College, This material is based upon work supported by the National Science Foundation under Grant No Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation