The National Instruments PCI-232/2 (Part Number: 777642-02) is a robust 2-port RS-232 Serial Interface card designed for both 32-bit and 64-bit PCI applications, fully compliant with PCI specifications version 2.2. It features dual DB-9 male connectors that adhere to standard RS-232 and RS-485 pin assignments, making it versatile for a wide range of devices. The PCI-232/2 delivers a maximum transfer rate of 115.2 kb/s and is equipped with a 64-byte FIFO buffer, ensuring efficient data handling. Additionally, it boasts 15 kV line ESD protection, enhancing its reliability in harsh environments. This interface card operates in hand-shaking mode and utilizes RS-232 full-duplex bus transceivers, one driver per line, and one receiver per line. Compatibility extends to Windows operating systems up to XP and various Linux distributions, enabling integration with any Windows-based personal computer. The PCI-232/2 is ideal for applications in automatic postal machines, telecommunications, and power distribution control systems due to its efficient performance. Its plug-and-play design simplifies installation and configuration, while it can support serial communication over distances of up to 50 feet. Although National Instruments has announced the PCI-232/2 as obsolete, it remains available for purchase and repairs through authorized distributors such as Apex Waves. For further technical insights, user manuals and maintenance documentation can be downloaded. Please contact a sales representative for pricing details.