A hub consists of a hub repeater section and a hub controller section.
集线器由集线器中继器和集线器控制器组成。
The hub repeater is responsible for managing connectivity on a per packet basis, while the hub controller provides status and control, and permits host access to the hub.
集线器中继器负责管理基于包的连接，而集线器控制器则提供状态信息和控制操作以支持主机访问。
The hub or repeater simply repeats an incoming signal on all ports and also sends the jam signal to all ports if there’s a collision.
简单来说，中继器将正常情况下收到的信号，和数据碰撞时产生的拥塞信号重复发送到所有的端口。
A switch is sometimes called a multi-port bridge, just like a hub is called a multi-port repeater.
交换器有时被称为多口网桥，就像集线器叫做多口中继器一样。
A switch is sometimes called a multi-port bridge, just like a hub is called a multi-port repeater.
交换器有时被称为多口网桥，就像集线器叫做多口中继器一样。
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