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The PXIe‑8431/8 is a high-performance interface for high-speed communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between 4‑ and 2‑wire transceiver modes for full- and half-duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications. The PXIe-8431/8 includes a 68VHDCI-DB9M Serial Cable, part number 197546-01, for RS-485 standard communication.
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