GPON系统的保护  

Protection of GPON

作　　者：谢军[1] 涂晓东[1] 胡钢[1] 

机构地区：[1]电子科技大学宽带光纤传输与通信网技术教育部重点实验室,成都610054

出　　处：《电子科技大学学报》2005年第S1期941-945,共5页Journal of University of Electronic Science and Technology of China

摘　　要：在ITU-T G984．1建议给出的A,B,C,D4种保护方案的基础上,提出了C+和E两种新的保护方案． C+保护提高了C类保护的性能,将系统正常工作状况下的业务容量翻倍;E方案相比D方案,降低了线路终端设备的成本,减小了设备的体积和电源消耗．Gigabit-capable passive optical networks) is the very important technology in fiber to the home. Four protection schemes, named type A, type B, type C and type D, are provided in ITU-T recommendation G984.1.Two novel protection schemes .named type C+ and type E, are provided in the paper. The system performance is enhanced in scheme type C+ comparing to type C. The capability is doubled in normal condition. The cost of equipment, volume and power consumption in OLT are reduced in scheme type E comparing to ...

关 键 词：千兆比特无源光网络 保护 光线路终端 光网络单元 

分 类 号：TN929.1[电子电信—通信与信息系统]