EPON技术在高档小区宽带接入中的应用毕业设计（论文)word格式.doc

目 录 摘 要 2 第一章 绪论 4 1.1基于以太网的无源光网络应用现状 4 1.2 EPON技术进展与标准化情况 4 1.3 本论文用到的英文缩写词及其含义 5 第二章 传统的LAN接入与EPON接入对比分析 7 2.1 两种接入方案图 7 2.2 两种接入方案比较 8 2.2.1 两者的原理比较 8 2.2.2 组网比较 9 2.2.3 两者的建设和维护成本 10 2.2.4 具有更高的可靠性 10 3 基于以太网技术的无源光网络技术---EPON 12 3.1 EPON的组成单元 12 3.2 EPON的工作原理 14 3.2.1 EPON的工作原理---上行数据 16 3.2.2 EPON的工作原理---下行数据 16 3.2.3 EPON协议栈结构 17 3.3 EPON的关键技术 18 3.4 EPON的技术优点总结 20 4 基于以太网技术的无源光网络组网分析 21 4.1 光线路终端布放原则 21 4.2 分光器分光方式 21 4.3 分光器布放原则 21 4.4 光网络单元布放原则 22 4.5 组网选择 22 5 EPON接入技术应用举例 23 5.1 项目背景 23 5.2 项目分析 23 5.3 建设方案及主要内容 23 5.4 投资估算 25 5.5 总结 25 第六章 心得体会 27 EPON技术在FTTH；光网络单元；TDMA Abstract This paper from the EPON technology development status and standardization of the proceeding, a brief description of the working principle of EPON, and through the EPON network technology and the typical LAN networking technology comparison, highlighting the advantages of EPONs network - - has many incomparable advantages of traditional access technologies, using EPON technology can not only achieve high-bandwidth network access network, and can save construction costs and post-maintenance costs, and on this basis, a detailed description of the EPON networking model and the network structure, the practical application of engineering in the case, all aspects of the EPON network, equipment installation location of the research and analysis. Finally, on the basis of the theory to practice during his participation in the company of a high-end residential building in Shenzhen, a case study on network access EPON technology works in real applications in the networking. 【Key words】EPON ；Passive Optical Network；Fiber To The Home；ONU；TDMA 第一章 绪论 1.1基于以太网的无源光网络应用现状 PON（Passive Optical Network） APON (ATM Passive Optical Network ATM无源光网络 ） EPON (Ethernet Passive Optical Network 以太网无源光网络) GPON(Gigabit-Capable PON 吉比特无源光网络） FTTH（Fiber To The Home AON（Active Optical Network LAN(Local Area Network 局域网) A