The POS-104UL is a smart, 4-port Universal PCI serial board designed for POS and ATM applications, and for use by industrial automation system manufacturers and system integrators. The POS-104UL is compatible with all major operating systems. In addition, each of the board’s 4 RS-232 serial ports supports data rates up to 921.6 Kbps, and provides full modem control signals to ensure compatibility with a wide range of serial peripherals. The POS-104UL supplies 5 or 12 volts of power from each serial port, and works with both 3.3V and 5V PCI buses, making the board suitable for installation in most PC servers.