startech.com 4 port usb to rs232 serial db9 adapter hub icusb2324
this 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 . the rs232 serial hub is compactly designed to preserve valuable workspace and is bus-powered to eliminate the need for an external power adapter . a 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.com s lifetime warranty .