Decision Computer International 910918 PC Com 8 Port RS-232/422 Card ISA Interface Data Acquisition Board PCB9540131The Decision Computer International 910918 PC Com 8 Port RS-232/422 Card is designed specifically for industrialPCs. It serves as an ISA interface data acquisition board PCB, offering eight ports supporting RS-232 and RS-422communication protocols.Have some marks and scratches due to old stock.© All the pictures are Organic and this part is physically in our stock.