The architecture of metro optical network, networking principles and the selection of optical fiber cable are discussed in accordance with metro network positioning and function.
根据城域网的定位及作用，对城域光网络的结构、组网原则和光纤选用等问题进行了讨论。
The architecture of metro optical network, networking principles and the selection of optical fiber cable are discussed in accordance with metro network positioning and function.
根据城域网的定位及作用，对城域光网络的结构、组网原则和光纤选用等问题进行了讨论。
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