Serial Cards & AdaptersIf you're looking for a simple, cost-effective way to connect serial devices in your industrial application or server room, our Serial Cards and Adapters make it easy to add Serial ports (RS-232, RS-422, RS-485 etc.) to your computer through common expansion ports such as PCI and PCI Express, as well as through USB.
Add a parallel port and two RS-232 serial ports to your PC through a PCI expansion slot
Add 4 high-speed RS-232 serial ports to your PC through a PCI expansion slot
Add two RS422/485 serial ports through a standard or low profile PCI expansion slot
Control and communicate with two serial devices even with mixed RS-232 & 485 protocols
Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI expansion slot
Add 4 RS232 serial ports with 5V or 12V selectable power output to your computer, through a PCI slot