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FTTH technology and rapid application development , has become the hot spots of the international scope of technology , China Unicom is also actively involved in the testing and construction of EPON , of participation in the test , construction and implementation of the the Xizhimen drill River mansion EPON project , including EPON program development and implementation of the paper from the enterprise project . The paper first introduces the Ethernet - based passive optical network , summed up the current mainstream FTTx technology , PON standard status , and a brief description of the realization of the principle of EPON , key technologies and technological advantages . The described China Unicom as a communications operator to set the standard in the construction of EPON The focus of the paper is to analyze the EPON access network in the user application . Docking status of network analysis , summed up the business application mode , China Unicom EPON access network as the primary means of reference standards , comparing different EPON equipment in the subscriber access network networking solutions , business ability other differences . The paper summarizes the main points of EPON in the implementation process , the the ONU equipment type , business type , protocol requirements engineering process elements , in order to verify the feasibility of EPON applied to the access network , we the Xizhimen drill River mansion EPON building programs carried discussed . Trends fiber access is the access network , EPON technology has gradually matured, and the costs have been declining , perfect function, have been widely used at home and abroad , EPON technology will be applied more and more .
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