The BF-850 is a USB adapter that can quickly connect RS485/RS422 serial devices to a PC or server. This device adheres to USB/RS422 and RS485 standards and policies, ensuring seamless compatibility. Additionally, the BF-850 can be easily installed without needing to power off your PC. 

The device features a unique I/O electric auto-control system that allows for easy direction control of data transfer. Unlike other systems, there is no need for handshake signals when transferring data in full duplex (RS422) or half duplex (RS485) mode. This makes the transfer process more efficient and streamlined.

The BF-850 is versatile and can be used in both point-to-point and multipoint applications. When used in multipoint mode, each adapter unit can connect up to 32 RS422/RS485 interface devices, making it an excellent choice for industrial applications that require multiple device connections.

The BF-850 boasts a USB Plug-and-Play feature that allows for easy installation. Simply plug the device into your computer and follow the instructions of the Install Wizard. Unlike other devices, you won't have to deal with complicated configurations such as Card Slots, I/O addresses, IRQ jumpers, DMA, and others. The system will automatically recognize the device and install the necessary drivers. This feature makes the installation process quick and hassle-free.