1CSNW1 – week 3 Datacommunicatie. Datacommunicatie? Communications men string telephone wire on an Enewetok tree. National Park Service (USA) Datacommunicatie.

Slides:

Advertisements

Similar presentations

Chapter 3: Introduction to Data Communications and Networking

Advertisements

Serial Interface Dr. Esam Al_Qaralleh CE Department

Ch. 8 Multiplexing.

Chapter 5 Analog Transmission.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Chapter 3 Data Transmission.

Using Telephone and Cable Networks

Using Telephone and Cable Networks

Using Telephone and Cable Networks for Data Transmissions

Physical layer: Public Switched Telephone Network (PSTN)

Using Telephone and Cable Networks for Data Transmission

3-1 Physical Layer (contd) l Telephone systems n referred to as PSTNs (Public Switched Telephone Systems) n high coverage n for voice and data n low speed.

High Speed Digital Access

Long-Distance and Local Loop Digital Connection Technologies

9.1 Chapter 9 Using Telephone and Cable Networks for Data Transmission Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction.

X.25 PROTOCOL Presented by : EFA, Daniel Jr. G. VERGARA, Jonvon.

Network Design :1 Fundamentals. 22 Topics Covered Serial and Parallel communication Serial and Parallel communication Demarcation Point Demarcation Point.

CHAPTER Modulation.

1Security Technology PICT les 1 Datacommunicatie Systeem 1Systeem 2 datacommunicatie kanaal.

Layer Physical – WAN Pertemuan 10 Matakuliah: H0484/Jaringan Komputer Tahun: 2007.

1 Fall 2005 Local Serial Asynchronous Communication Qutaibah Malluhi Computer Science and Engineering Qatar University.

Broadband local access technology

Chapter 2 Data Communication Concepts Code Transmission Signal Modulation Service.

1 K. Salah Module 3.3: Multiplexing WDM FDM TDM T-1 ADSL.

CS335 Networking & Network Administration Tuesday, April 6.

COE 342: Data & Computer Communications (T042) Dr. Marwan Abu-Amara Chapter 6: Digital Data Communications Techniques.

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

Module 2.2: ADSL, ISDN, SONET

COMP3221: Microprocessors and Embedded Systems

Data Communications Chapter 6 The Data Communications Interface.

EET 450 – Advanced Digital Chapter 17 Modems. Modem Modulator – Demodulator Modulator – Demodulator –Converts digital information into audible tones –Uses.

Analog and Digital Transmission Interfaces and Multiplexing (Physical Layer) Lita Lidyawati 2012.

Chapter Twelve: Digital Modulation and Modems. Introduction Digital signals have become very important in wired and wireless communications To send data.

ECE 371- Unit 11 Introduction to Serial I/O. TWO MAJOR CLASSES OF SERIAL DATA INTERFACES ASYNCHRONOUS SERIAL I/O - USES “FRAMING BITS” (START BIT AND.

Local Asynchronous Communication

University of Tehran 1 Interface Design Serial Communications Omid Fatemi.

Technology Training that Works Hands of Data Communications, Networking & TCP/IP Troubleshooting.

Communication Systems I CPE 313: Micro Processors and Interfacing.

The 8051 Microcontroller and Embedded Systems

Serial Port I/O Serial port sends and receives data one bit at a time. Serial communication devices are divided into: Data Communications Equipment (DCE),

1 Information Technology in Business: Telecommunications and Networks Chapter 6.

Communication Systems I. How can information flow from point A to point B?

Line Coding, Modem, RS232 interfacing sequences.

Advanced Embedded Systems Design Lecture 8 Serial I/O BAE Fall 2004 Instructor: Marvin Stone Biosystems and Agricultural Engineering Oklahoma.

Department of Electronic Engineering City University of Hong Kong EE3900 Computer Networks Data Communication Interface Slide 1 Asynchronous and Synchronous.

Day 7 Connections. Standards Unless we had connection standards nothing would be interchangeable. –There would be different printers for Macs and Windows.

1 Transmission of Digital Data : Interface and Modems.

AS Computing Data transmission. Basic data transmission Baud The rate that the voltage changes is called the Baud. If the voltage changes 10 times every.

Digital Interfaces An interface links two devices Interface Standards define: – mechanical specifications - how many wires & connector type –electrical.

การส่งข้อมูลผ่าน PSTN

Review: The physical layer. Bandwidth/Capacity bit rate/baud rate How to determine the number of bits per symbol? Relation between the bandwidth and capacity:

CSC 335 Data Communications and Networking Lecture 4b: Communication and Multiplexing Dr. Cheer-Sun Yang.

Introduction to Computer Networking Connecting to a Router M Clements.

1 Chapter Overview Modems The Internet and Web Browsers.

Communication Systems I CPE 313: Micro Processors and Interfacing.

BASICS OF SERIAL COMMUNICATIONS BIRLA VISHWKARMA MAHAVIDYALAYA ELECTRONICS & TELECOMMUNICATION DEPARTMENT PRESENTING BY: ABHISHEK SINGH AMANDEEP.

Data Communications: The Basics Chapter 4 The Management of Telecommunications Houston H. Carr and Charles A. Snyder.

William Stallings Data and Computer Communications

UART Serial Port Programming

RS-232 Communications.

6장 Transmission of Digital Data: Interfaces and MODEMs

SERIAL PORT PROGRAMMING

DATA COMMUNICATION Lecture-21.

Data Transmission and Computer Communications ECE: 412

Lecture 4 Continuation of transmission basics Chapter 3, pages 75-96

UART Serial Port Programming

CHAPTER SERIAL PORT PROGRAMMING. Basics of Serial Communication Computers transfer data in two ways: ◦ Parallel  Often 8 or more lines (wire.

Chapter 6 Transmission of Digital Data Interfaces and Modems

ANALOG AND DIGITAL PHYSICAL INTERFACES

Chapter 6. Data Communications Interface

William Stallings Data and Computer Communications

Presentation transcript:

1CSNW1 – week 3 Datacommunicatie

Datacommunicatie? Communications men string telephone wire on an Enewetok tree. National Park Service (USA) Datacommunicatie ?

PU-1 MEMORY I/O Adresbus databus besturingsbus PU-2 Tightly coupled Multi processor Datacommunicatie (1)

Systeem 1Systeem 2 loosely coupled, via (extern) netwerk datacommunicatie kanaal Datacommunicatie (2)

AB AB AB Simplex Half-duplex Full-duplex Communicatiekanaal

Parallel versus serieel n Bits per second (bps) vs. Bytes per second (Bps) n Baud rate: symbols/sec n bps = baud. 2 log n (n: number of signal levels)

The number of signaling elements that occur each second. The term is named after J.M.E. Baudot, the inventor of the Baudot telegraph code. element bijvoorbeeld 4 niveaus twee bits bit rate = 2 x baud rate Baud rate

MultiplexerDemultiplexer Multiplexing

TDM versus FDM Frequency Division Multiplexing Time Division Multiplexing

Shift register Data buffer Serial data Parallel data Shift (transmit) clock Tc Bipolar encoding Manchester encoding Clock extracting receiver PLL Serieel (bit-synchroon)

BI-SYNC protocol

Serieel (frame synchroon) (tijdelijk synchroon) idle

Shift register Data buffer Serial data Parallel data Start bit data bit Par bit Stop bit trigger samples Serieel (asynchroon)

data ready data Een strobe is een opgaande of neergaande flank Parallel (strobe)

REQ ACK data Parallel (handshake)

ready Ack data ready Ack data valid Parallel (handshake) data staat klaar

Centronics Interface

n V.21: 300 bps duplex n V.22: 1200 bps duplex n V.22bis: 2400 bps duplex n V.24: interchange DTE – DCE (RS232) n V.32: 9600 bps duplex n V32bis: bps duplex n V.34: bps duplex n V.90: bps duplex n X.25: The most popular packet-switching protocol for WANs n X.400: The universal protocol for . C omité C onsultatif I nternational T élégraphique et T éléphonique (CCITT) Nu: I nternational T elecommunication U nion (ITU) V (oiceband) en X - normen

V.24 - RS-232 (25-polig) Recommended Standard => EIA-232-D Electronic Industries Alliance

9-polige RS-232 connector RI = Ring Indicator

DTE Data Terminal Equipment Null Modem

Single-ended RS-232 signaal

Spraak 4 kHz bandbreedte ( Hz) Openbare ‘analoge’ netwerken

Modulatie: AM, FM, PM

DTE DCE Data Terminal Equipment Data Communication Equipment V24 of RS 232 V21 … V34 Modem (modulator/demodulator)

(Asymmetric) Digital Subscriber Link Computer Modem Splitter

DSL Digital Subscriber Link 5460 m

ADSL Spectrum Fritz!box Image: Wikipedia

CMTS Cable Modem Termination System

Opdrachten n Bestudeer hfdst t/m 10.6 n Maak opgaven 10.1 t/m 10.4 en 10.6