Supports various mainstream operating systems. Two extended RS232 serial ports provide reliable connection to legacy and peripheral devices, with support for communication rates up to 230.4 Kbps per port and modem control signals to enable compatibility with a wide range of serial port devices. This PCI Express2 serial port card is designed for POS and ATM applications, and is also suitable for industrial automation system integrators. Key attributes Function: adds two RS232 serial ports to a PC via a PCI Express2 interface Compatibility: supports various mainstream operating systems Ports: 2 RS232 extensions Performance: up to 230.4 Kbps data rate per port Form factor: PCI Express2 serial port card Modem control signals: provided for compatibility with peripheral serial devices Applications and use scenarios Point of and ATM environments requiring reliable serial connectivity to receipt printers, cash drawers, PIN pads, or other peripherals Industrial automation setups needing RS232 communication with PLCs, sensors, meters, or other legacy equipment Data logging, test rigs, or development environments where multiple independent RS232 channels are required for peripheral devices or instrumentation This card delivers straightforward serial port expansion with clear performance specs, suitable for POS, ATM, and industrial automation workflows that depend on robust RS232 connectivity.