Easily connect serial devices through a USB port.Most modern computers and laptops don't have RS232 (DB9) ports. making the use of legacy peripherals and high-tech devices which connect with COM ports almost impossible. The Manhattan USB to Serial Converter - with its serial RS232 (DB9) port and Prolific PL-2303RA chipset - easily expands a single USB port to connect and support serial modems. barcode scanners. digital cameras. card readers. Ham/Amateur Radios. GPS. CNC machines. telescopes. embroidery machines. fuel injection controllers. PDUs. network switches and other devices.Quality Construction and Easy InstallationGold-plated contacts and rugged construction combine to offer a reliable connection between the computer and serial peripherals for consistent. trouble-free performance. Windows compatibility with plug-and-play installation and hot-swappability help provide seamless use without inconvenient and frustrating device conflicts.