(NEW) National Instruments PXI-8420 RS-232 Serial Interface Module Card

National Instruments PXI-8420 RS-232 Serial Interface Module Card 185447D-01

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National Instruments NI PXI-8420 NI Serial Interface Card- NEW? (YLG77)

National Instruments PXI-2530 128-Crosspoint PXI Matrix Switch Module 189291A-01

National Instruments PXI-8420 Serial Interface Module Card 185447D-01 See Pics

National Instruments PXI-8430/8 RS232 8 Port Interface Card