National Instruments PCMCIA-232

The National Instruments PCMCIA-232 (Part Number: 777379-01) is a versatile 1-port Serial Interface Device designed for use with standard PCMCIA sockets found in notebook computers. Equipped with a DB-9 male connector, this device facilitates RS232 and RS485 connections, aligning with the configurations used in typical desktop environments. The PCMCIA-232 operates seamlessly without an external power supply, drawing the necessary 40 mA at +5 VDC directly from the host slot. This Type II PC Card supports cabled serial communication over distances of up to 50 feet and features a 16550-compatible receiver/transmitter to ensure compatibility with standard PC communication ports.

The device is optimized for high-performance serial communication, providing maximum transfer rates of up to 921.6 kb/s, bolstered by 16-byte transmitter and receiver FIFO buffers that enhance data transmission efficiency and reduce interrupt latency. Users can customize FIFO buffer settings and various parameters through the Windows device manager utility, allowing for tailored communication configurations. Installation and usability are streamlined with the National Instruments Serial Hardware driver, offering an intuitive interface for setup and adjustments. Although the PCMCIA-232 has reached an obsolete status, it remains available for purchase and repair through Apex Waves. For further assistance, including installation guides, users can download the User Manual and Maintenance Manual available on the National Instruments website. For pricing inquiries, please contact a sales representative directly.