The 8-port industrial USB to RS-232 serial adapter hub is a professional grade USB plug-and-play adapter hub designed to add 8 high speed RS-232 serial ports to desktop or notebook computers. This professional grade USB to serial adapter hub supports USB 2.0 data transfer rates up to 480Mb/s and serial port data transfer rates up to 921.6kb/s. It features built-in 512 byte FIFO buffer, software flow control and 15KV DC ESD serial interface protection. The 8-port industrial USB to RS-232 serial adapter hub is the smart solution for connecting professional grade RS-232 serial devices.