NI AT-485/2 2-Port ISA Serial Interface

USED NI PCI-8431-2 High-Performance 2-Port Serial Interface (RS485) Test passed

NI PCI-8431-2 High-Performance 2-Port Serial Interface (RS485) Test passed spot

Kontron 3088 DUOCOM ISA 2-Port RS-232 Serial Interface Module

Audio Precision PCI-2 / PCI2 APIB ISA Interface Module

NI AT-CAN/2 Dual Port Interface

NI AT-485/4 4-Port ISA Serial Interface

HP RS-232 Serial/Parallel Port Math+FFT module for 54616B 54616C oscilloscope