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China Telecom Research Institute Completed 50G PON Prototype Test with ITU-T Next Generation PON Standard

China Telecom Analysis Institute Accomplished 50G PON Prototype Check with ITU-T Subsequent Technology PON Normal –

Lately, China Telecom Analysis Institute efficiently accomplished the technical take a look at of the 50G PON prototype that helps the ITU-T customary optical energy finances. The system efficiency totally met expectations. The 50G PON prototype makes use of the wavelengths laid out in ITU-T G.9804.3 (formally launched in 2021) and helps upstream and downstream line charges of fifty Gbps and 25 Gbps. After two-level 1:8 optical splitters and 20 km fiber transmission, the optical energy finances exceeds 29 dB, assembly the N1 optical energy finances indicator outlined in the usual in addition to operators’ necessities for clean evolution from the GPON/XG(S)-PON system based mostly on Class B+/N1 to the 50G PON system.

China Telecom takes the lead in formulating worldwide requirements for the 50G PON expertise of the next-generation optical entry community, and actively promotes the demonstration utility of the 50G PON prototype on operators’ stay networks. The challenge workforce actively aligned with the technical necessities for clean evolution from 10G PON to 50G PON, and promoted the incorporation of key physical-layer parameters such because the MPM coexistence mannequin (combo mode) and corresponding optical energy finances into ITU-T G.9804.3, to make sure that 10G PON system can evolve to ITU-T 50G PON easily.

Within the technical take a look at of the 50G PON prototype, a number of ONUs can register with the OLT and go surfing usually in a two-level 1:8 optical splitter surroundings with a fiber transmission distance of 20 km. In contrast with the 50G PON prototype examined in 2021, this prototype options technical breakthroughs in key indicators such because the system optical energy finances and wavelength, assembly ITU-T customary necessities and additional selling the event and maturity of the 50G PON ecosystem.

China Telecom Analysis Institute will proceed to work with business chain companions to advertise 50G PON standardization and commercialization, promote the event and maturity of next-generation optical entry networks, and meet the entry bandwidth necessities of varied bandwidth-hungry clever functions sooner or later.


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