Electronics & Telecommunication Engineering(6th Sem.)
Telecommunication Switching Circuits & Networks__________________________________Telecommunication Switching Circuits & Networks__________________________________1. Unit-1 03/03/2012
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2. Unit-2
3. Unit-3 03/03/2012
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5. Unit-5 03/03/2012
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Telecommunication Switching Circuits & NetworksUNIT – I INTRODUCTION:Evolution of Telecommunication, Bas ics of Switching, Strowger switching System, Crossbar switching, Electronic Space division switching. UNIT – II TELEPHONY EQUIPMENT:Speech digitization & transmission, Time division switching, Optical fiber System: Types of fiber, fiber optic transmis sion, optical source, optical detectors. UNIT – III TELEPHONE NETWORK MANAGEMENT:Traffic Engineering, Telephone Network: Subscriber loop system, switching hierarchy & routing. Transmission plan, Transmission System, Numbering Plan, Charging plan, Signaling Technique, In-Channel signaling. UNIT –IV DATA THROUGH TELEPHONE NETWORKS: Data transmission in PSTNs, Switching technique for Data transmission, Data communication Architecture, Link-to-Link Layers, End-to-End Layers, Satellite Based Data Network. UNIT – V ISDN: Motivation for ISDN, New services, Network and Protocol Architecture, Transmission Channel, User-Network interface, Signaling, Numbering & Addressing, Service characterization, ISDN standards. |
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