FTTH Fiber to the Home

FTTx is a access network technology that uses optical fiber directly from the central point to the Home. FTTx offers triple play services voice, video and data. Optical distribution network (ODN) architecture.. FTTx can be categorized into different FTTC  =…
Modulation and Demodulation

Modulation Modulation is the process of changing one or more properties of the carrier signal in proportion with the information signal. In modulation, some parameter of the carrier wave (such as amplitude, frequency or phase ) is varied in accordance…
SONET Synchronous Optical Network

SONET Synchronous Optical Network Multiplex electrical signals (Digital) from different sources and creates optical carrier (OC). USA, CANADA and JAPAN developed T1 Standard. ANSI develop  SONET. The rest of the world uses a primary rate of E1. ITU-T develop  SDH.…
DWDM Dense Wavelength Division Multiplexing

Prerequisite Multiplexing Optical Fiber PCM PDH SDH Transmission Fundamental WDM Wavelength division Multiplexing (WDM) technique increase the capacity of signal carrying medium. WDM technique assign different frequency / wavelength value to every incoming signal. These signals are multiplexed on a…
Solar Panel Installation

Basic Components of Solar System Solar Panel Solar Charge controller Inverter Battery Bank Load Calculation 03 energy saver (24 watt) 24*3 = 72 watt + 08 = 80 watt 02 Fan (100 watt) 100*2 = 200 + 20 = 220…
Computer Ports

  Computer Ports Computer ports or Motherboard I/O interfaces are used to connect external devices to the computer. These interfaces are mostly located on the back side of the motherboard. Number of Interfaces depends on the size of Motherboard and technology…
SDH Synchronous Digital Hierarchy

It is a transmission method. This method is used in optical fibre transmission system called SDH system. We have already discussed the basic concepts of the transmission system. This video will give you the basic concept of SDH. SDH = Synchronous…
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…