- Asynchronous RS232, RS485, and RS422 serial interfaces for PCI
- 128 B transmit and receive FIFOs
- Avaliable in 2, 4, 8, and 16-port versions
- Available with 2000 V isolation (2 and 4-port versions)
- Customizable baud rates up to 3,000 Kb/s (RS485/RS422) or 1,000 Kb/s (RS232)
- Compatible with Windows Vista/Vista x64/XP/XP x64/2000/2003 Server/2003 Server x64/LabVIEW Real-Time
- High-speed DMA interface minimizes CPU overhead
National Instruments serial interfaces are 100 percent compatible with standard PC serial ports. The NI high-performance PCI serial interfaces (843x) deliver minimal CPU usage with direct memory access (DMA) to the PCI bus. They also offer advanced features such as customizable baud rates up to 3,000 Kb/s to within 1% accuracy, as well as universal PCI, hyperthreading, and multiprocessor compatibility. You can also purchase 2 and 4-port devices with 2,000 V isolation. National Instruments high-performance serial interfaces are available for the same price as the legacy serial interfaces.
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