The National Instruments AT-232/2 is a versatile dual-port serial interface card designed for reliable data communication in industrial applications. This card, part number 777312-02, supports the RS-232 interface, enabling seamless connections between computers and a variety of devices, including modems, terminals, and other peripherals. Each port is equipped with male D-sub (DB9) connectors, facilitating direct connections to Data Communication Equipment (DCE) or Data Terminal Equipment (DTE) via standard female D-sub cables. Operating with data transfer rates of up to 115.2 kbps, the AT-232/2 ensures efficient bi-directional data transport, thanks to its ready-to-send/clear-to-send (RTS/CTS) hardware handshake lines, which help maintain data integrity.

This interface card is compatible with multiple versions of Microsoft Windows, including 95, 98, ME, NT, 2000, and XP. It operates on the ISA bus and features a 16-byte FIFO buffer for effective data management. The AT-232/2 receives power via USB, eliminating the need for an external power source, making it an ideal choice for compact setups. Its robust design is built to function within an operating temperature range of 32 °F to 158 °F and a humidity range of 10% to 90%. Backed by a 2 to 3-year warranty, the AT-232/2 comes with user and maintenance manuals available for download. For pricing details, please contact a sales representative directly.