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    PCIe to 4-Port RS232 Serial Card ASIX AX99100, 4 x DB9 COM Ports, 50-230.4Kbps, for Industrial Control, POS & Embedded Systems

    Limited time offer, ends 04/19 By StarVelocity Technology

    • 4 x RS232 Serial Ports: Adds four independent DB9 RS232 COM ports via a single PCIe slot, providing legacy serial connectivity for industrial controllers, POS terminals, barcode scanners, and embedded systems.
    • ASIX AX99100 Controller: Powered by the high-performance ASIX AX99100 PCIe to serial bridge chip, delivering reliable data transmission with transfer rates from 50bps to 230.4Kbps.
    • PCI Express x1 Interface: Designed for PCIe x1, x4, x8, and x16 slots, ensuring broad compatibility with modern desktop, server, and industrial motherboards (not compatible with legacy PCI slots).
    • Complete 4-Port Expansion: Includes DB25 to 4 x DB9 breakout cable, allowing easy connection of multiple serial devices from a single card.
    • Broad OS Support: Compatible with Windows, Linux, and other operating systems; driver CD included for easy installation.
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    Expand your system's legacy serial connectivity with this PCIe to 4-Port RS232 Serial Card. Powered by the ASIX AX99100 PCIe to serial bridge controller, this expansion card adds four independent DB9 RS232 COM ports via a single PCIe slot, making it ideal for industrial automation, point-of-sale (POS) systems, barcode scanners, embedded controllers, and other applications requiring reliable serial communication.

    Four Independent RS232 Ports

    The card provides 4 x DB9 RS232 serial ports (via included breakout cable), each supporting:

    1. Data transfer rates from 50bps to 230.4Kbps
    2. Full modem control signals for compatibility with industrial devices
    3. Independent operation for simultaneous connections to multiple devices

    ASIX AX99100 High-Performance Controller

    The AX9910 chipset delivers:

    1. Reliable data transmission with low CPU overhead
    2. Broad compatibility with Windows and Linux operating systems
    3. Stable performance for 24/7 industrial applications
    4. Legacy serial support for modern PCIe-based systems


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