COURSE FILE DATA COMMUNICATION

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1 COURSE FILE DATA COMMUNICATION SIR CRR COLLEGE OF ENGINEERING,ELURU: DEPARTMENT OF INFORMATION TECHNOLOGY COURSE FILE SUBJECT: - DATA COMMUNICATION (IT-3.1.1)

2 SIR CRR COLLEGE OF ENGINEERING,ELURU: DEPARTMENT OF INFORMATION TECHNOLOGY Course: IT Data Communication Course Contents Category of Course Course Title Course Code Credits- 4 Theory Paper Departmen tal Core IT Data Communicat on IT L-3 T-1 Max.Marks- 70 Min. Marks- 28 Duration- 3hrs. Add Course outcomes: Add Course objectives:

3 IT3.1.1 DATA COMMUNICATIONS Credits:4 Instruction: 3 Periods & 1 Tut /week Sessional Marks: 30 Univ. Exam : 3 Hours Univ-Exam- Marks:70 1. An Introduction to Data Communications: A Communications Model, Data Communications and Data Communications Networking, Protocols and Protocol Architecture, Characteristics of Data Transmission: Concepts and Terminology, Analog and Digital Data Transmission, Transmission Impairments 2. Transmission Media:Guided Transmission Media, Wireless Transmission Data Encoding, Digital Data, Digital Signals, Digital Data, Analog Signals, Analog Data, Digital Signals, Analog Data, Analog Signals 3. The Data Communication Interface Asynchronous and Synchronous Transmission, Line Configurations, Interfacing. Data Link Control Flow Control, Error Detection, Error Control, High-Level Data Link Control (HDLC),Other Data Link Control Protocols. 4. Data Communications Hardware: Terminals Introduction, Basic Terminal Components, Enhanced Terminal Components, General-Purpose Terminals, Remote Job Entry Terminals, Transaction Terminals, Clustering of Terminal Devices. Communications Processing Hardware Introduction, Switching Processors, Multidrop Lines, Multiplexers, Concentrators, Front-End Processors. 5. Modems: Network Attachment and Regulations, Line Conditioning and Leased Lines, Modems and Modem Circuits. Multiplexing: Frequency-Division Multiplexing, Synchronous Time-Division Multiplexing: Characteristics, TDM Link Control, Digital Carrier Systems Statistical Time-Division Multiplexing: Characteristics. TEXT BOOKS: 1.William Stallings, Data and Computer Communications, 7 th Edition,

4 Pearson Education Inc., Mary E.S. Loomis, Data Communications, PHI-N.J.,1983 (Capter 3, Chapter 5) 3. Paul Bates, Practical Digital and Data Communications, PHI-N.J, 1987(Chapter5) REFERENCE BOOKS: 1.Behrouz A. Forouzan, Data Communications and Networking, 3 rd EditionTMH, William A. Shay, Understanding Data Communications & Networks, 2 nd Edition Thomson-Brooks/Cole - Vikas publishing House, Michale A. Miller, Data & Network Communications, Thomson/Delmar - Vikas Publishing House, 2000 LECTURE PLAN DEPARTMET Information Technology NAME OF LECTURER N.Prasad

5 LECTURE PLAN S.N O. TOPICS TO BE COVERED NO. OF LEC. REQUIR ED DATE OF COMPLETI ON REMA RK 1 UNIT- I :- Components of data communication,need of data communication,types of transmission (serial/parallel). 2 Transmission modes,nyquist theorem,sampling time & frequency domain,asynchronous & synchronous transmission. 3 Basic model of data communication,osi model with it s different functions. 4 Line configuration,point-to-point,multipoint line configuration,specially & time shared line configuration. 5 Overall dictation about topics already covered or provides written material. 6 Digital-to-digital Encoding techniques,unipolar,polar & Bipolar line coding techniques. 7 Review of analog & digital transmission methods.baseband and broadband transmissions. 1 16/07/ /07/ /07/ /07/ /07/ /07/ /07/12

6 8 Signals,classifications of signals (analog,digital,composite signals,advantages & disadvantages of digital transmission). 9 UNIT- II :- Multiplexing techniques, classification of multiplexing (TDM/FDM/WDM) techniques. Inverse multiplexing,differences between TDM/FDM/WDM. 10 ISDN,ISDN channels,isdn services,simplified layers of ISDN.` 11 ISDN protocols,lapb,lapd based on HDLC,High Level Data Link Control. 1 25/07/ /07/ /07/ /07/12 12 Frame format of HDLC,bit stuffing in flag field. 1 30/07/12 13 Polynomial equivalent of series,equivalent,complement,lrc,vrc based numericals. 14 operations & structure of HDLC frame format (LAP s-lapb & LAPD based on HDLC). 1 31/07/ /08/12 15 Dictation regarding ISDN protocols. 1 06/08/12 16 HDLC based numericals,flag,address,control,information,fcs,swi tches/switching methods. 17 Various switching methods circuit/packet & message switching with differences. 1 07/08/ /08/12 18 TEST OF UNIT-I 1 09/08/12 19 UNIT-V :- Transmission Errors:- Data integrity/echo checking techniques/echoplex,vrc,crc,lrc,checksum. 20 Even and ODD parity based numericals,crc based numericals(modular Division Method) 21 Polynomial,equivalent polynomial,series based numericals,discuss different ways of CRC based numericals. 22 Hamming code based numerals by using Even & Odd parity methods. 23 Parity checking techniques,tcp/ip protocol suite,differentiates between TCP & UDP. 24 Differentiates between TCP/IP and OSI model.bit error rate redundancy check. 1 13/08/ /08/ /08/ /08/ /08/ /08/12

7 25 UNIT- III :- Physical layer introduction:- Study of various types of networking topologies & their comparative study. 26 Connecting devices,networking & internetworking devices (Repeaters,Bridge,Router,Gateway) & OSI model. 27 RS-232C,RS-449,difference between RS-232C & RS-449,RS-422A & Rs-423 interface standards. 28 MODEM,block diagram of modem including digital & line interface,high speed modems. 29 High speed Modems (56K Modem,cable Modem),Modem standards Bell & ITU-T modems. 1 25/08/ /08/ /08/ /08/ /08/12 30 TEST Of UNIT-II 1 31/08/12 31 ITU-T & Bell modem standard series,signal constellation,v.21 to V switch,hub,differences between connecting devices.null modem. 33 Tutorial 1 covered of UNIT-III,relevant to connecting devices & modems (different types of modems) 34 UNIT-IV:- Transmission Media:- Guided & Unguided transmission media. 35 Fiber optic twisted pair & coaxial cable,guided media s examples,wireless unguided media with examples. 36 UTP (unshielded twisted pair) & STP (shielded twisted pair,types of twisted pair cables. 37 Advantages & disadvantages of optical fiber,physics & velocity of propagation of light Transmission waves:- Radio waves,microwaves & Infrared waves with examples. 39 Concepts of Omnidirectional & Directional Antenna systems for transmission waves. 40 Unicast & Multicast communication,short range communication & long distance communication for transmission waves. 41 Tutorial covered UNIT-Vth relevant to the numericals,crc based & Hamming code based with 1 03/09/ /09/ /09/ /09/ /09/ /09/ /09/ /09/ /09/ /09/ /09/12

8 Even & Odd methods. 42 DSL Technologies,different DSL technologies with set of DSL technologies. 1 01/10/12 43 ADSL,SDSL,VDSL & HDSL,DSL Technologies. 1 06/10/12 44 ADSL modem with local lop for voice & data transmission 45 RJ-connector,Registered Jack-45,male & female connectors & NIC. 1 08/10/ /10/12 46 TEST Of UNIT- V 1 12/10/12 47 Tutorial covered relevant to the UNIT-III 1 16/10/12 48 Block parity & IEEE standards,token BUs,Ethernet & Token ring,fddi. 49 Comparisons between IEEE standards & Frame format with description of each field. 1 17/10/ /10/12 50 Propagation delay,queuing delay. 1 19/10/12 51 Bit stuffing based numericals. 1 20/10/12 52 Sublayers of the Data link layer:- MAC,LLC. 1 21/10/12 Add unit wise questions (short and essay)

9 Course files are printed and given to every student at the beginning of each semester. This practice is helping the teachers and students enormously. The course file contains i)syllabus ii)lectureschedules iii) Depth of study defined by learning objectives of the subject, Short answer questions (40 per chapter) and long answer questions (20 per chapter). With this, the students can come prepared for the topic to be discussed which results in Active Learning. The students also can understand the depth upto which the subject must be studied with the help of questions given in the course file. This is also helping new teacher to understand the depth upto which the subject has to be taught.

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