USB to RS232 (DB9) Adapter, 1.8m cable USB to RS232 (DB9) Adapter, 1.8m cable  Ref: USB-RS232
6 ft. USB to RS-232C serial adapter cable transparently connects serial devices to PC applications via a USB port. USB-A male connector to 9-pin D-shell male connector. If needed, drivers can be downloaded from http://support.automationdirect.com/products/usbrs232.html (choose USB-RS232 adapter driver)