UT-7704 4-Port PCI RS-232 Serial Card — DB9 COM Adapter / RS232 Converter

Add four RS-232 COM ports to a desktop PC with the UT-7704 PCI serial card. This adapter converts a PCI slot into four DB9 RS-232 serial connections (4 ports), enabling connection of COM-port devices via the standard PCI interface. Compact card suitable for extending legacy serial connectivity using DB9 serial cables.