Fangrui Product Details 1. Working Environment With Strong Electricity And Strong Interference: Some Circuits Contain Strong Electricity And Strong Interference (such As High-voltage Electricity, Inverter, Motor Drive, Etc.) Environment, Which Involves The Connection With The Computer. It Must Be Isolated To Ensure The Computer ,personal Safety. 2. Noise-sensitive Areas: Everyone Knows That Computers Are A Big Noise Source. In Noise-sensitive Areas, We Can Use This Device To Isolate The Usb Interface. Such As High-precision Usb Data Acquisition System, Hifi Audio System. 3. Usb Debugging Equipment: Such As Jtag/swd Emulators With Various Usb Interfaces, Isp/asp/iap/icp Downloaders, Etc. When You Are Often Unable To Connect Or Emulate Abnormalities During Debugging, You Can Use A Usb Isolator To Try To Improve. 4. Various Industrial Usb Devices: In The Industrial Environment, Usb Devices Often Crash, Such As Usb Mouse, Keyboard, Usb To Serial Port And Other Communication Devices. The Usb Isolator Can Effectively Reduce The Crash