USB8485I is a kind of USB to 8 ports RS-485/RS-422 converter, the USB8485I can allow PC or workstation USB port to connect 8pcs RS-485/RS-422 comfortably. The USB8485I provides 8 RS-485/RS-422 serial ports, is compatible with USB 1.1 and 2.0 specifications, and meets the 480Mbps high-speed requirements of Hi-Speed ​​USB 2.0. Using your computer's USB ports to daisy-chain devices reduces total cost of ownership, hardware investment, and long-term management and integration costs.