SDH SONET 1

PDH SDH SONET. SDH and SONET are transmission equipment. To understand their working, we need to discuss the PDH structure first. PDH Plesiochronous Digital Hierarchy. Plesio = Near                    Chronous  = Time.…
Communication System Fundamentals

Communication System Fundamentals Our Target Communication Channel or medium or media Frequency Wavelength Modulation Demodulation Baseband and Broadband Noise Attenuation Communication Communication is the process of exchanging information Electronic Communication A communication which takes place in the form of electronic…
Optical Fiber

OPTICAL FIBER Optical fiber is a type of guided medium to transport information from one point to another point.Information travels in the form of light.Data capacity of fiber is very high due to light nature of the signal.It has some…
GPON Introduction

GPON Gigabit passive optical network is a running technology in Pakistan.Its implementation is in process and it will fulfill our high data rate requirement.In this video i am giving you a basic concept about GPON network.we will discuss the following…
IP Address

IP Address  IP address is the logical address of a computer.A computer can not communicate over a network without IP address.IP address is uniquely defined for every computer.IP address concept is very important for you if you are planning to…
Basic Networking Definitions

Basic Networking Definitions. Today we are going to discuss some very basic definitions used in networking field.If you are interested in networking,then it will be very helpful for you to prepare your mind for networking battle. Youtube Protocol. It is…