# SmartUSBHub Pro 4CH USB2.0 使用指南

```{include} ../../../../smartusbhub_ng/document/products/usb2_4p/user_guide_cn.md
:relative-docs: ../../../../smartusbhub_ng/document/products/usb2_4p/
:relative-images: ../../../../smartusbhub_ng/document/products/usb2_4p/
:start-line: 2
```