- Customizable baud rates up to 3,000 kbit/s (RS485/422) or 1,000 kbit/s (RS232)
- Compatible with Windows 7/Vista/XP/2000, LabVIEW Real-Time OSs
- High-speed DMA interface minimizes CPU overhead
- 8- and 16-port versions
- Asynchronous RS232, RS485, and RS422 serial interfaces
- 128 B transmit and receive FIFOs
National Instruments PXI Express serial interfaces deliver industry-leading performance for communication with RS232, RS422, and RS485 devices. The RS232 interfaces are 100 percent compatible with standard PC serial ports. NI PXIe-843x serial interfaces deliver minimal CPU usage with DMA to the PCI Express bus. They also offer advanced features such as customizable baud rates up to 3 Mbit/s to within 1.3 percent accuracy, as well as hyperthreading and multiprocessor compatibility.