USB to serial adapter cable with a length of 1.8 meters, designed for connecting USB A devices with equipment that has RS232 serial interfaces using DB9 connectors. Includes a DB9 to DB25 F-M adapter for compatibility with DB25 serial ports. The cable features male-to-male DB9 serial connection and is suitable for old modems, industrial equipment, and other serial peripheral devices requiring an RS232 connection. Uses the Prolific PL-2303 chipset for reliable communication.