SIIG 8-port Serial Hub - External - USB - PC, Mac - 8 x Number of Network (RJ-45) Ports - 1 x Number of USB Ports

SIIG's 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 921.6 Kb/s. It features built-in 512 byte FIFO buffer, software flow control, and 15KV DC ESD serial interface protection.