NG-PON2 (Next-Generation Passive Optical Network) developed by the International Telecommunications Union (ITU) is a multi-wavelength access standard for a passive optical network (PON) that is capable of delivering a total network throughput of 40-80 Gbps. It utilizes the TWDM (Time and Wavelength Division Multiplexed) technology to support from 4 to 8 multiple wavelengths of 10 Gbps PON over a single fiber. 

The next generationn fiber-to-the-premise technology which can accommodate high-capacity applications such as 4K and 8K video as well as provide next-generation backhaul for wireless networks can be implemented across existing PON fiber networks. The deployment of NG-PON2 involves replacing optical line terminal (OLT) at the Operator's central office, and the optical network unit (ONU) at subscribers' premises.




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