Micro Connectors, Inc. Plug and Play USB to Dual Serial DB9 Adapter Win 8/ 7/ XP/ Vista (E07-162)
USB 2.0 A Type Male to (2) DB9 Male.  This adapter is a port-powered USB to dual RS-232 converter that can be used to convert any standard USB port (USB 2.0 ?V backward compatible) into two RS-232C ports