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NG PON2 offers a fibre skill of 40 Gbps by exploiting dissimilar wavelengths at dense wavelength department multiplexing DWDM channel spacing and tunable transceiver expertise in case look at answer subscriber terminals ONUs. Wavelength allocations come with 1524 nm to 1544 nm in case study answer upstream path and 1596 nm to 1602 nm in case look at answer downstream path. NG PON2 was designed to coexist with outdated architectures to ease deployment into present optical distribution networks. Wavelengths were specially selected to keep away from interference with GPON, 10G PON, RF Video, and OTDR measurements, and thus NG PON2 adds spectral flexibility to occupy reserved wavelengths in deployments without legacy architectures. How Does NG PON2 Work?If 24 premises are attached to a PON and case examine solution accessible throughput is equally shared then for GPON each connection gets 100 Mbps downstream and 40 Mbps upstream over a highest of 20 km of fibre. For 10G PON, which was case look at solution 2nd PON revision, each of case study solution 24 connections would receive about 400 Mbps downstream and 100 Mbps upstream.