In this paper, SDH network element management layer information model object and the network management layer info.
网元管理系统在网络管理系统中占有重要的地位，是和物理设备关系最密切的一类网络管理系统。
This method also has a wide scope of application and can be used in SDH network as well as network element with any structure.
该方法适用范围广，可以在任意结构的SDH网络和网元中使用。
This method also has a wide scope of application and can be used in SDH network as well as network element with any structure.
该方法适用范围广，可以在任意结构的SDH网络和网元中使用。
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