Based on project experience, it gives a brief introduction to present optical layer linear protection on WDM system, focuses on optical path protection application modes in the project.
结合工程实践经验，对目前WDM系统光层线性保护方式技术作了简单介绍，并针对光通道路由保护方式技术在工程中的应用方式进行了探讨。
Based on project experience, it gives a brief introduction to present optical layer linear protection on WDM system, focuses on optical path protection application modes in the project.
结合工程实践经验，对目前WDM系统光层线性保护方式技术作了简单介绍，并针对光通道路由保护方式技术在工程中的应用方式进行了探讨。
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