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.
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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 with the modulating signal . This modulated signal is then transmitted by the transmitter Demodulation… -
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. Topics What is SONET? What is Synchronous Digital Hierarchy? What is SDH? What… -
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 single sharing medium. SONET/SDH use TDM technique and transmit data in the form of a… -
Solar Panel Installation
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 watt Load = 220+80 = 300 watt If u want to use… -
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 used. PS2 Din Connector PS2 6 pin din connector Green for mouse Purple for keyboard… -
SDH Synchronous Digital Hierarchy
SDH 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 Digital Hierarchy.EU and Japan standard.A standard for telecommunication transport defined by ITU-T. Prerequisite. Following… -
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 important properties High Bandwidth Highly secure Easy to install Low distortion No EMI effect In…
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USB types 2.0 and 3.0
USB 2.0 and USB 3.0 What is USB in Urdu and Hindi? What is universal serial Bus? USB types? What is USB 2.0? What is USB 3.0? Difference between USB 2.0 and 3.0?
Fun with Google
How to use google? How to fun With Google? Google tricks?
Record computer screen
Computer Screen Recording How to record computer screen? How to make computer screen video? How to make video for youtube? How to record video for youtube channel? How to use debute?
Internet Speed Test
Internet Speed Test 1Mb connection = 128 KB 2Mb connection = 128*2 =256KB 3Mb connection = 128*3 =384KB 4Mb connection = 128*4 =512KB These values are theoretical and for practical value,you should reduce these values about 10% for 1Mb connection…
Bootable USB drive
Bootable USB drive How to create bootable USB? How to install window from USB? How to format hard drive?
Wireless Router Configuration
WiFi is a very hot product of our routine life, especially for young generation. WiFi signals are generated by wifi routers installed in our home, offices or shopping malls.We can configure WiFi settings by doing some simple steps.In this video,…
Internet
Internet. The Internet is a great source of Information, Entertainment, and learning. But this is not the point. These are just applications. We need to discuss some basic definitions to explain it. Network Internet History. Who owns? How does it…
Wireless Connection Problems
Wireless Connection Troubleshooting How to connect wifi? How to reset wireless router? How to troubleshoot wireless connection? How to check wifi problem? How to connect wireless router? How to reinstall wireless driver?
Snipping Tool to capture screen shot
Snipping Tool How to capture screen shot? What is snipping tool? How to use snipping tool? How to take screen picture? How to edit picture?
Basic Computer Maintenance
Basic Computer Tips Slow computer and computer hang are common computer problems for a home user. In both cases we can do some basic maintenance by using disk fragmentation and disk cleanup tool.In this video we will discuss some basic…