Network switch

The utility model discloses a network switch, which adopts a central processing unit, a network card and a plurality of network transformers, one end of the network card is connected with the central processing unit through a PCIE interface, and the other end of the network card is connected with the plurality of network transformers through MDI interfaces. According to the network switch provided by the utility model, the central processing unit is connected with the plurality of network transformers through the network cards, so that the network switch has the characteristics of simple circuit structure, high flexibility, easiness in implementation, high stability, good reliability and low power consumption, and can be applied to the technical fields of industrial control, data processing, network switching and the like. 本实用新型公开了一种网络交换机，采用中央处理器、网卡和多个网络变压器，网卡的一端通过PCIE接口与中央处理器相连接，网卡的另一端通过MDI接口与多个网络变压器相连接。本实用新型提供的网络交换机，中央处理器通过网卡与多个网络变压器相连接，具有电路结构简单、灵活性高、易于实现、稳定性高、可靠性好且低功耗的特点，可以运用于工控、数据处理和网络交换等技术领域。