Black Box serial adapter

With PCMCIA Async Serial I/O Adapters, you can open your notebook or portable up to a wide variety of RS-232 and RS-422/485 applications. With the cards, you add the flexibility of compact mobile communications to your system. Take advantage of the noise-resistant RS-422/485 line to connect your notebook to distant peripherals (up to 4000 feet or 1219 meters). Or take advantage of RS-232 communications to connect to a wide variety of peripherals over short distances (50 feet or 15.2 meters). Unlock the full power of today's robust operating systems to make your communications tasks easier than ever before. These cards offer a degree of versatility that's unmatched by other PCMCIA cards.