Serial Interface Device


4-Port, PCI, Isolated, RS232 Serial Interface Device—The PCI‑8432/4 is a high-performance interface for high-speed, port‑to‑port isolated communication with RS232 devices. The PCI‑8432/4 features high-performance DMA transfers, multithreading, and multiprocessor support. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.