USB test circuit and test system

The utility model discloses a USB test circuit and a test system. The USB test circuit comprises at least one switching module. The switching module comprises at least one first channel and at least one second channel, the input ends of the first channel and the second channel are both connected with test equipment, and the output end of the first channel and the output end of the second channel are both connected with equipment to be tested. According to the utility model, the interface type of the to-be-tested equipment can be identified at one time, and the test efficiency is improved. 本实用新型公开了USB测试电路及测试系统，所述USB测试电路包括至少一个切换模块；所述切换模块包括至少一个第一通道和至少一个第二通道，所述第一通道和所述第二通道的输入端均与测试设备连接，所述第一通道的输出端以及所述第二通道的输出端的均与待测设备连接。本实用新型可以一次性识别待测设备的接口类型，提高了测试效率。