宜昌广电OTN系统维护及故障检修  

Maintenance and Trouble Shooting of OTN System in Yichang Radio and Television

作　　者：蒋利民 刘启罡 JIANG Limin;LIU Qigang(Hubei Radio and Television Information Network Co.,Ltd.,Yichang Branch,Yichang 443000,China;Yichang Three Gorges Radio and TV Station,Yichang 443000,China)

机构地区：[1]湖北省广播电视信息网络股份有限公司宜昌分公司,湖北宜昌443000 [2]宜昌三峡广播电视台,湖北宜昌443000

出　　处：《通信电源技术》2022年第13期172-174,177,共4页Telecom Power Technology

摘　　要：随着通信技术的发展和通信行业自身业务的拓展,大颗粒传输、智能调度、灵活自愈已成为当前数据传输的基本要求。光传送网(Optical Transport Network,OTN)系统以密集波分复用(Dense Wavelength Division Multiplexing,DWDM)技术为基础并集合同步数字体系(Synchronous Digital Hierarchy,SDH)的优点,能够提供大颗粒业务的高效复用和调度,实现多业务透明传输,具备丰富的开销管理和完善的标准化体制,逐步在广电网络普及应用。通过湖北宜昌广电(以下简称宜昌广电)OTN系统日常运维及故障检修实例,概述了充分调用网管系统功能开展OTN系统日常维护和故障检修的技巧。With the development of communication technology and the expansion of the communication industry's own business,large-granularity transmission,intelligent scheduling,and flexible self-healing have become the basic requirements of current data transmission.Optical Transport Network(OTN)system is based on Dense Wavelength Division Multiplexing(DWDM)technology and integrates the advantages of Synchronous Digital Hierarchy(SDH),which can provide efficient multiplexing of large-granularity services.It can realize multi-service transparent transmission,have rich overhead management and perfect standardization system,and is gradually popularized and applied in radio and television networks.Through the example of daily operation and maintenance and troubleshooting of OTN system of Hubei Yichang radio and television network(hereinafter referred to as Yichang Radio and Television),this paper outlines the skills of fully invoking the functions of network management system to carry out daily maintenance and troubleshooting of OTN system.

关 键 词：光传送网(OTN) 密集波分复用(DWDM) 波道 网元 

分 类 号：TN929.1[电子电信—通信与信息系统]