Stable and reliable data writing system for self-service equipment

The invention provides a stable and reliable data writing system for self-service equipment. The system comprises a USBHUB, a USB channel control panel, a host and a USB terminal device. The host is connected with the input end of the USB channel control panel through the USB HUB, the output end of the USB channel control panel is connected with the USB terminal device, the USB channel control panel comprises a controller and a multiplexer, the controller is connected with the multiplexer, and the host is connected with the controller through an RS485 control line. A reliable and stable remotedata writing scheme is provided for complex and large self-service system equipment, a unit circuit can be conveniently expanded according to actual requirements, and the development time is shortened; and therefore, production and assembly are more convenient, maintenance is more convenient, and wiring is convenient. 本发明提供了一种用于自助设备的稳定可靠的数据写入系统，包括USBHUB、USB通道控制板、主机和USB终端设备，所述主机通过USB HUB连接USB通道控制板的输入端，USB通道控制板的输出端连接USB终端设