Startech Usb To Serial Adapter Hub 4 Port Bus Powered Db9 9-Pin Usb Serial Ftdi\n\nStarTech USB to Serial Adapter Hub - 4 Port - Bus Powered - DB9 (9-pin) - USB Serial - FTDI USB to Serial Adapter - 1 x 4-pin Type A Female USB 1.1 USB\nThis 4 Port USB to RS232 Serial Hub lets you connect up to four RS232 serial devices to your Mac or PC laptop or desktop computer through a single USB port, as though the computer offered built-on DB9M serial connectors.\nThe RS232 Serial Hub is compactly designed to preserve valuable workspace, and is bus-powered to eliminate the need for an external power adapter.\nA cost-effective solution that bridges the compatibility gap between modern USB-capable computers and legacy RS232 serial peripherals, this dependable USB/RS232 Serial Adapter hub is backed by StarTech's Lifetime Warranty.\nMore from the Manufacturer\nMore from the Manufacturer\nInterfaces/Ports\n\nNumber of USB Ports1\nNumber of Serial Ports (External)4\n\nMiscellaneous\n\nAdditional Info;