A chi è rivolto
People in charge of telecommunication and transmission systems
Prerequisiti
Basic knowledge of data communication principles and transmission techniques; Knowledge of English language is requested;
Scopo del corso
Alla fine questo corso i discenti saranno in grado di:
•comprendere le nomenclature usate nel sistema SDH;
•confrontare le caratteristiche del sistema tradizionale SDH;
•comprendere i vantaggi dell’ SDH transmission system. Inoltre, conosceranno:
•la teoria base del Pulse Code Modulation;
•la struttura del segnale 2 Mbps - 140 Mpbs;
•i fondamenti della trasmissione ottica e SDH basics.
Durata
5 giorni
Contenuti
Pulse Code Modulation (PCM)
• Analog/digital conversion
• PCM coding and decoding
• Time division multiplexing
• PCM 30 multiframe structure
• Pulse frame
• Signalling multi-frame structure
• Synchronisation and CRC 4 procedure
• Line coding
Optical Fibre Transmission
Fundamentals of optical fibers
Attenuation and distorsion mechanism
Modulation techniques
Wavelength Division Multiplexing (WDM)
Optical Line Systems Components
Synchron. Digital Hierar. (SDH)
FO Backbone Structure
Evolution Towards SDH
• Complexity of PDH
• Transmission hierarchies
• Management problems
• Advantages of SDH
Description of SDH
The SDH Network
Network Products for SDH
