National Instruments NI PXI-8430/16 RS232 Serial Interface Module

National Instruments NI PCI-8431/2 RS-485 PCI Card LabVIEW / NI-VISA Genuine

Used National Instruments NI PXI-8431 RS485/RS422 4-Port Board

NATIONAL INSTRUMENTS NI PXI-8420 RS-232 SERIAL INTERFACE CARD

NATIONAL INSTRUMENTS NI PXI-8430/16 SERIAL INTERFACE MODULE 16 Port RS232

National Instruments PXI-8422/4 NI Serial Interface Card, Isolated 4-Port RS232

National Instruments NI PXI-8431/8 RS485/RS422 8-Port Serial Interface Board

National Instruments PXI-5404 Frequency Source / Clock Generator NI DAQ Card