随着农村入网工程的发展,占我国人口一半多的农民对入网的呼声越来越高。在网络覆盖全球的时代,县乡区域会成为我国用网人数最多的地方。怎样满足庞大客户群的要求,建立符合农村发展的光缆传送网,是网络通信研究的一个重点。本文从OTN系统下沉县乡的业务状态入手,对其目前的发展现状作以总结。 With the development of rural access networks, more and half of the population of our country’s peasants are getting louder and louder. In the era of global coverage of the Internet, the county and township regions will become the places with the largest number of users in our country. How to meet the requirements of a large customer base, the establishment of fiber optic cable transmission network in line with rural development, is a focus of network communications research. This article starts from the business state of Shenxian County of OTN system and summarizes its current development status.