DS0 beginning of digital telephony T1 T3 E1 E3

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=1ObEIGaIcb8

In last video, we talked about PCM, pulse Code Modulation, a method used to convert analog signals, such as a telephone call, to digital signals. PCM is a basis for understanding today’s topic: Digital Signal 0, or DS0, which is a fundamental key for understanding digital telephony. • In this video, we will also discuss about T-carrier’s T1 line, T3 line and E-carrier’s E1 and E3 lines. • My topics are organized by playlists: • / sunnylearning • • My most popular videos: • https://www.youtube.com/user/sunnylea... • • Wireless and Wi-Fi • • • CSMA/CA - Wireless Medium Access Cont... • • Remote Access/WAN technologies • • Circuit Switching vs. Packet Switching • This is my education channel. My topics cover networking, security, programming, data structure, algorithm, programming and other computer-related materials. • Please leave comments, questions and subscribe! • Thank you very much! • Sunny Classroom

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