National Instruments 4-port RS-232 adapter card for PCMCIA interface. New from old stock, factory sealed in original packaging. A 4x DB-9 breakout adapter cable included. The outer box is unmarked and may not be original.

Serial interface cards for PCMCIA are asynchronous serial interfaces for communicating with serial devices. Interfaces for PCMCIA are available with up to four ports. Install and use these cards as standard serial ports from your applications. Interface cards include an enhanced serial driver for improved performance and reliable interrupt sharing between ports.

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