Easily connect serial devices through a USB port.&lt;br /&gt;Most modern computers and laptops don&#39;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.&lt;br /&gt;&lt;br /&gt;Quality Construction and Easy Installation&lt;br /&gt;Gold-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.