Cut-through switches do not perform any error checking of the frame because the switch looks only for the frame's destination MAC address and forwards the frame out the appropriate switch port.
直通式交换机不执行任何帧错误检查,它只查找帧的目的MAC地址,并从相应的交换机端口将帧转发。
2
The switch is protected through the linked action of the guard plate to realize the power cut and the brake.