Tarjeta de interfaz National Instruments NI PCI-8431/2 RS-485 hecha en Hungría

Interface: Universal PCI (Compatible with 3.3V and 5V PCI slots). NI PCI-8431/2. rates up to 3 Mbit/s. Model: NI PCI-8431/2. Made IN Hungary. RS-485 Interface Card.

eBay