| With the development of NGN,IPTV,DigitalTV,OA and other high bandwidth multi-media applications,demands for high bandwidth access networks are rapid increasing.The bandwidth of Communication Services in common family will reached about 20 Mbit/s in next 3~5 years.To solve the contradictions of growth in bandwidth demand and XDSL,the mainstream of network will be optical network and it is necessary to use FTTx technology.At present,FTTx technology base on EPON has gradually matured,the costs have been declining and its functions have been ameliorated.EPON have been widely used in domestic and abroad, and FTTx broadband access technology base on EPON will be more and more usable.The paper has summarized FTTx system structure,the technology has assumed comparatively detailed discussion and comparison to EPON,APON and GPON. Analyze and resolve having set forth the EPON principle and the key technology, and having introduced that area,office building,housing estate corridor and important customer use EPON to realize FTTx's specifically for the villa a scheme.The Paper focuses on FTTx application in access network. Because the existing network structure is complexity,not manageable. It needs fixed room for the equipment installed and the cost is high.The paper puts forward FTTx application in commercial buildings and housing,compares the user FTTx access network solution, operations,economic and other areas.Take Binhai telecommunication FTTx project as example at the same time,different construction pattern in realizing a scheme,discussing a network to FTTx in being in motion and doing business being in motion and doing business having brought forward EPON FTTx and verifying has carried out investigation and discussion.With the Price of fiber and FTTx equipment falling and development of technology, the advantages of FTTx's high performance will be increasingly obvious. In the future,FTTx broadband access technology base on EPON will become the main means of access. |
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