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Transmission Media

Class- B.Sc.(IT)-5th Sem

Subject-Computer Network

Paper-I

By-

Mr. Anil Bhasin

Associate Prof.

PG. Deptt. of Computer Sc.

Syllabus

UNIT – I

Basic concepts of Computer Networks, Client Server Network topologies.

OSI Reference Model, TCP/IP Model Comparison and Critiques, Concepts

of Routers, bridges, Repeaters, Gateways.

UNIT – II

Data Transmission: – Analog & Digital Transmission, Modem, Codec,

Pulse Code Modulation Multiplexing, Circuit Switching, Packet Switching,

message Switching, Hybrid Switching.

Transmission Media: –Twisted Pair, Co–axial Cable, Baseband,

Broadband, Fibre optics, Satellite, Wireless Transmission, Telephone

System .

The Data link Layer: Design Issues, Error Detection and Correction, Data

Link Sliding Window Protocols.

UNIT – III

IEEE Standard 802 for LAN’s and MAN’s Routing Algorithm.

Internetworking, Network Security.

Topics Covered

Transmission Media:-

Twisted Pair

Co–axial Cable, Baseband, Broadband,

Fiber optics

Satellite

Wireless Transmission

Telephone System

Transmission medium and physical layer

Transmission Media Categories

Electromagnetic spectrum for Data

communication

GUIDED MEDIA

Guided media, which are those that provide a conduit

from one device to another, include twisted-pair cable,

coaxial cable, and fiber-optic cable.

Twisted-pair cable

UTP and STP cables

Twisted-pair cable - Cat

Twisted-pair cable - Cat

Twisted-pair cable - Cat

Twisted-pair cable - Cat

Categories of unshielded twisted-pair cables

UTP connector

Coaxial cable Structure

Categories of coaxial cables

Types of coaxial cables

Coaxial cables structure

Coaxial cables structure

BNC connectors

Fiber optics: Bending of light ray

Optical fiber structure

Fiber construction

Propagation modes

Modes

Fiber types

Optical Fiber modes

Optical Fiber modes

Fiber-optic cable connectors

Optical fiber performance

UNGUIDED MEDIA: WIRELESS

Unguided media transport electromagnetic waves

without using a physical conductor. This type of

communication is often referred to as wireless

communication.

Propagation methods

Bands

Wireless transmission waves

Omnidirectional antenna

Unidirectional antennas

Microwave transmission

Microwave transmission

Satellite Communication

Satellite Types

Satellite Communication

Satellite Communication

Telephone System

Telephone System

Telephone System

Telephone System structure