The USB adapter Startech 1P3FPC-USB-SERIAL is a compact converter designed to quickly and reliably add an RS-232 DB9 serial port to any laptop or desktop computer via a USB 2.0 Type-A port, offering a practical solution to keep using legacy equipment and peripherals such as servers, receipt printers, barcode scanners, industrial PLCs or AV devices. Made of durable plastic in black, it integrates a widely supported Prolific chipset that ensures stable communication and transfer rates of up to approximately 921.6 kbps, suitable for professional applications and demanding environments. Its 90–91 cm cable length provides the necessary flexibility on the desk or in racks and cabinets, making connection easier without excess cabling. The device works as a DB9 male to USB adapter cable, allowing COM port retention in the operating system so the same port number is preserved between reboots or reconnections, a particularly useful feature for management software, POS terminals and industrial automation. Thanks to compatibility with USB 2.0 and earlier revisions, it integrates easily with a wide range of PCs and laptops, while support for Windows, macOS and Linux ensures versatile installation on different platforms without additional hardware. It includes a user manual for guided setup, so technicians and administrators can deploy the adapter quickly in IT, retail or corporate environments. Overall, this model is a functional, robust solution for expanding serial connectivity via USB in new or existing installations.
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