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Fibre Optic Terminology Explained

fiber optic optical networking wdm sonet ftth

This page defines various terms related to the optical domain. It covers SDH, PDH, SONET, DWDM, FTTH, WDM, PDMA, wavelength converters, optical ADMs, EDFAs, and SOAs.

Fibre Optic Terms	Basic Description	Reference
SDH	Stands for Synchronous Digital Hierarchy
PDH	Stands for Plesiochronous Digital Hierarchy
SONET	Stands for Synchronous Optical Networking
DWDM	Stands for Dense Wavelength Division Multiplexing
FTTH	Stands for Fibre to the Home
WDM	Stands for Wavelength Division Multiplexing
PDMA	Stands for Polarisation Division Multiple Access
Wavelength Converter	Converts optical light from one wavelength to another.
Optical ADM	Optical Add-Drop Multiplexer
EDFA	Stands for Erbium-Doped Fiber Amplifier
SOA	Stands for Semiconductor Optical Amplifier

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