1 Data Transmission and Computer Networks Local Area Networks.

Slides:

Advertisements

Similar presentations

Network Hardware and Physical Media

Advertisements

Introduction to Network

More on LANs Module C Copyright 2001 Prentice Hall.

1 Data Link Issues Relates to Lab 2. This module covers data link layer issues, such as local area networks (LANs) and point-to-point links, Ethernet,

I.S 512 TOPIC 1 – LESSON 2. Types Of Transmission Media PHYSICAL Twisted Pair Cable Shielded twisted-pair (STP ) Unshielded twisted-pair (UTP) Coaxial.

1 ICS 156: Lecture 2 (part 2) Data link layer protocols Address resolution protocol Notes on lab 2.

IT-320 Chapter 1 Introduction to Networks. Objectives 1. Differentiate between LANs, MANs, and WANs. 2. List and describe the components that make up.

1 Data Link Protocols Relates to Lab 2. This module covers data link layer issues, such as local area networks (LANs) and point-to-point links, Ethernet,

CHAPTER Practical Ethernet Implementation. Chapter Objectives Provide a background on Ethernet itself and describe its characteristics Explain the practical.

Page 1 - © Richard L. Goldman Networking Topology ©Richard L. Goldman January 8, 2002.

Ethernet Standards Ethernet concepts origin DIX consortium – Mbps Ethernet 1 st Blue book – 1980 IEEE group takes over – Project 802 –802.1 – High.

LOCAL AREA NETWORK Presented by : Tan Teng MengWET Chan Choi Ngor WET Philip Lim Loong HinWET

Networks & telecommunications Part 2 July 2, 2012.

Network Concepts. Networks LAN WAN Main Concepts n Protocol n Media n Topology.

EET 450 Advanced Digital Computer Networks Wireless Peripherals.

Chapter 9 Hardware Addressing & Frame Type Identification EE 526 Presentation by Ryan Star.

Computer Networks Eyad Husni Elshami. Computer Network A computer network is a group of interconnected computers to share data resources ( printer, data.

1 LAN Topologies, Access methods (Week 1, Wednesday 1/10/2007) © Abdou Illia, Spring 2007.

Network Topologies. Point-to-Point Topology Point-to-point (PTP) topology connects two nodes directly together. The following examples are pure point.

Chapter 2 Review of Computer Network Technology

LECTURE 13 NET BASE FP STANDARDS Pair of Fiber Optics. Star topology. 1 km for each part of network. Analog signal. Encoding the digital signal.

For more notes and topics visit: eITnotes.com.

Chapter 10 LAN Wiring, Physical Topology, and Interface Hardware Network Interface Card (fig 10.2)(fig 10.2) Ethernet wiring schemes – Thicknet – Thinnet.

Chapter 20 Networks. 4 Questions that need to be answered concerning networks? –How will each computer be identified? –What kind of wire should you run.

TC 361 Data Networking Test Review

Semester 1 Module 5 Cabling LANs and WANs. Ethernet Standards.

20 LAN Hardware Overview Version A.01 H3065S Module 2 Slides.

Semester 1 CHAPTER 3 Le Chi Trung

Topologies The structure of the network –Physical topology Actual layout of the media –Logical topology How the hosts access the media.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 3-2 CSMA/CD.

Local Area Networks Andres, Wen-Yuan Liao Department of Computer Science and Engineering De Lin Institute of Technology

CSCI 465 D ata Communications and Networks Lecture 19 Martin van Bommel CSCI 465 Data Communications & Networks 1.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2004 Chapter 14 Local Area Networks: Ethernet.

CT1303 LAN LECTURE 15.

© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public ITE PC v4.0 Chapter 1 1 OSI Data Link Layer Network Fundamentals – Chapter 7.

Local Area Networks: Ethernet. IEEE Background Institution of Electrical and Electronic Engineering (IEEE) A professional non-profit organization Project.

1 Data Link Layer Lecture 22 Imran Ahmed University of Management & Technology.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2004 Chapter 14 Local Area Networks: Ethernet.

Ethernet Standards DIX consortium – Mbps Ethernet 1 st Blue book – 1980 IEEE group takes over – Project 802 –802.1 – High Level Interface –HLI –

Chapter One Some Raw Basics of Networking. Objectives Introduce some basic concepts Learn some new vocabulary Get our first glimpse of some networking.

 LANs – A Definition - A local area network (LAN) is a computer network covering a small physical area, like a home, office, or small group of buildings,

13.1 Chapter 13 Wired LANs: Ethernet Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

1 Ch 10 LAN Wiring, Physical Topology, and Interface Hardware.

Computer Networks Syed Md. Ashraful Karim Lecturer, CSE BU.

Chapter 14 Local Area Networks

Rehab AlFallaj.  Standards determine:  Techniques used in the networks.  Its protocols.  Network specifications and features.

Ethernet Advanced Chapter 5. Release 16/7/2009 Chapter Objectives Explain 10Base-T network Explain 10Base-FL Explain the rule Identify different.

3 Semester 1 CHAPTER 3 REVIEW JEOPARDY S2C01 Jeopardy Review.

Data and Computer Communications Eighth Edition by William Stallings Chapter 15 – Local Area Network Overview.

Data Link Protocols Relates to Lab 2.

Jaringan LAN Pertemuan 04 Matakuliah: H0524/Jaringan Komputer Tahun: 2009.

Lecture 2 unit 1.

ETHERNET Yash Vaidya. Introduction Ethernet is a family of computer networking technologies for local area networks (LANs). Ethernet was commercially.

Data Link Issues Relates to Lab 2.

LECTURE 11 NET301 11/16/2015Lect IEEE LAN STANDARDS Ethernet LAN (by Xerox): Topology: Bus Transmission Media: Thick Coaxial Cable. Signal: Digital.

© 2003, Cisco Systems, Inc. All rights reserved.

Data Link Issues This module covers data link layer issues, such as local area networks (LANs) and point-to-point links, Ethernet, and the Point-to-Point.

Mollie Sconyers.

Data Link Issues This module covers data link layer issues, such as local area networks (LANs) and point-to-point links, Ethernet, and the Point-to-Point.

Chapter 9 Ethernet Part II

CT1303 LAN Asma AlOsaimi.

Physical & Data-link ISQS 6343 #2 John R. Durrett.

Introduction To Computers

Networking Fundamentals

أ.كمال عيد كلية المعلمين حائل

CT1303 LAN Rehab AlFallaj.

Ethernet and Token Ring LAN Networks

Chapter 12 Local Area Networks

Chapter 12 Local Area Networks

Chapter 12 Local Area Networks

Presentation transcript:

1 Data Transmission and Computer Networks Local Area Networks

2 LAN Topics  LAN Topology  LAN Transmission Media & Devices  LAN Architecture  LAN Medium Access Protocol  LAN Standards

3 Wired LAN

4 Wired LAN Topology 1. Star: 2. Ring:

5 Wired LAN Topology: 3. Bus: Bus extender Bus

6 Wired LAN Topology: 4. Hub: 5. Hub/Tree:

7 Wired LAN Transmission Media: Twisted Pair : UTP & STP Coaxial Cable : Broadband, Thick & Thin Fiber Optics cables

8 Wired LAN Twisted Pair Transmission Media: Twisted Pair Types : UTP & STP LAN Twisted pair media standards : – 10 Base T – 100 Base TX – 100 Base T4 – 1000 Base T – 1000 Base CX

9 Wired LAN Fiber Transmission Media: Fiber Cable : Multimode, Single Mode LAN Fiber Cable standards : – 10 Base F : 10 Base FP, 10 Base FL, 10 Base FB – 100 Base FX – 1000 Base SX – 1000 Base LX Connector SC Cable with Connector ST

10 Wired LAN Coaxial Transmission Media: Coaxial Cable Types : Broadband, Thick, Thin LAN Coaxial Cable standards : – 10 Broad 36 – 10 Base 5 – 10 Base 2

11 Wired LAN Standards Comparison

12 Wired LAN Standards Comparison

13 Wired LAN Transmission Media: 10BASE T Twisted Pair Controller Hub

14 Wired LAN Transmission Media: 1. Twisted Pair (10BASE T): HUB Repeater electronics Rx/Tx circuits موصل نوع MAU للاسلاك المزدوجة STP في الشبكات الحلقية موصل نوع صدفة D-shell كبل ونهاية RJ-45 الاسلاك المزدوجة

15 Wired LAN Transmission Media: Transceiver cable Transceiver + Controller 10BASE 2 BNC T Connector Controller Vampire tap Core 10BASE 5 Transceiver

16 Wired LAN Transmission Media: 2. Baseband Coaxial Cable: ii. Thick wire (10BASE 5): 0.5” coax Transceiver i. Thin wire (10BASE 2): Terminator 0.25” coax BNC T Connector

17 Wired LAN Devices Network Interface Card (NIC) Hub Switches Bridges Router Gateway Repeater Bridge المجم ع Hub القناة الواردة Input Line

18 Wired LAN Devices Hub Device : Stacked, Stand Alone & Modular

19 Wired LAN Devices Switch Device : Intelligent Hub

20 Wired LAN Devices Router : Connects WAN with LAN

21 Wired LAN Devices Network Interface Card (NIC): Irrespective of the transmission media being used, the communications controller card within each DTE comprises the following: A medium access controller (MAC) unit: It is responsible for: Encapsulation and de- encapsulation of frames. Error detection. Implementation of MAC algorithm. RAM: It allows MAC unit to receive and transmit frames at he high link bit rate. RG45 منفذ BNC منفذ AUI

22 LAN ARCHITECTURE LAN Architecture includes: LAN Model LAN Layers LAN Data Link Sub layers and Protocols: Logical Link Control LLC sub-layer ( to do data link tasks e.g. error control..) Medium Access Control MAC sub-layer (to allow sharing LAN medium)

23 LAN IEEE REFERENCE MODEL

24 LAN Layers data units

25 LLC Packet Data Unit PDU & MAC Frame DSAP: Destination Service Access Point SSAP: Source Service Access Point