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Question 7 (20 marks): Compare the transition from analog repeaters to digital regenerators for copper-based transmission systems to the current transition from single-wavelength digital regenerator

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Question 7 (20 marks): Compare the transition from analog repeaters to digital regenerators for copper-based transmission systems to the current transition from single-wavelength digital regenerator optical systems to multi-wavelength optically amplified systems. What is the same and what is difference? What is the next transition for optical transmission systems

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