Tripp Lite 6ft 2-Port USB to DB9/ RS 232 Serial Adapter FTDI, COM Retention Color: Black Cable Length: 6 ft. Specifications: System Requirements: Computer or other device with available USB port and Windows XP or later, Mac OS X 10.3 and later, or Linux operating system Connector A: USB A (MALE) Connector B: 2 x DB9 (MALE) Package Contents: U209-006-2 2-Port USB to DB9 Serial FTDI Adapter Cable (M/M), 6 ft. Driver CD Owner’s manual