HPX Higher order Path Crossconnect 较高阶路径交叉连接
Optical Crossconnect OXC 光交叉连接
optical crossconnect oxcc 光交叉连接
DACS Digital Access Crossconnect Switch 数字存取交叉连接开关
oxcn optical crossconnect node 光交叉连接节点
Digital Access and Crossconnect System 数字存取及跨接系统
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