随着用户业务需求提高和电信市场激烈竞争格局的形成，以ADSL接入的传统模式，已经不能满足高速增长业务需求。采用EPON技术进行FTTH(光纤到户)的组网方式得到大量应用。
图中为采用EPON系统实现“三网融合”的一种应用。在机房放置OLT机架设备，internet信号从OLT上联口输入，PON接口接入光缆后到达小区楼栋，在小区楼栋放置分光器，分光器提供多个支纤，接入光缆到达各个用户，在用户家中接入ONU设备即可。FTHS-7204VT ONU为用户提供4个FE网口、2个RJ11电话端口和1个CATV同轴端口，可分布接入PC、电话和电视机顶盒设备。
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
