局域网结构化布线

实验设备：Hub(集线器)：集线器（HUB）是对网络进行会集管理的最小单元，像树的骨干相同，它是各分枝的汇集点，对接收到的信号进行再生扩展，以扩展网络的传输距离

(Experimental equipment: Hub (hub): The hub (HUB) is the smallest unit for centralized management of the network. Like the backbone of the tree, it is the collection point of each branch. It regenerates and expands the received signals to expand the network. transmission distance)

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