{"product_id":"startech-db9-cable-usb-to-serial-3ft-1p3fp-usb-serial","title":"StarTech DB9 Cable USB to Serial 3ft - Prolific PL2303, RS232, Screw-Lock (1P3FP-USB-SERIAL)","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003e3-Foot USB to DB9 Serial Adapter Cable with Prolific PL2303 Chipset, 512-Byte FIFO, Screw-Lock DB9 Connector, and Cross-Platform Driver Support for Legacy Serial Device Connectivity\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/collections\/startech\"\u003eStarTech\u003c\/a\u003e 1P3FP-USB-SERIAL is a 3-foot (91 cm) USB to DB9 serial \u003ca href=\"\/collections\/cables\"\u003ecable\u003c\/a\u003e that adds an RS-232 COM port to any computer through USB-A, providing a reliable bridge between modern systems and legacy serial peripherals in IT, industrial, POS, and laboratory environments. The Prolific PL2303 chipset delivers communication at baud rates up to 921.6 Kbps with a 512-byte FIFO buffer, supporting 5\/6\/7\/8 data bits and five parity modes for compatibility with equipment spanning decades of serial protocol standards.\u003c\/p\u003e\n\u003cp\u003eThe screw-lock nuts on the DB9 male connector secure the adapter to serial devices for vibration-resistant connections that withstand movement in server racks, production lines, and field deployments. Plug-and-play drivers install automatically on Windows, macOS, and Linux with no additional software required, and backward compatibility with all USB revisions ensures connectivity on any available USB port. Backed by a 3-year warranty with lifetime technical support, the adapter delivers long-term reliability for installations where serial connectivity is mission-critical.\u003c\/p\u003e\n\u003ch3\u003eWhere the StarTech DB9 Cable Fits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eServer rooms and network closets requiring serial console access to switches and routers\u003c\/strong\u003e where the 3-foot cable length reaches rack-mounted equipment from a nearby laptop, screw-lock mounting prevents accidental disconnection during critical configuration sessions, and the Prolific chipset provides broad device compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial automation connecting PLCs, sensors, and control systems to modern PCs\u003c\/strong\u003e where support for 5\/6\/7\/8 data bits accommodates older industrial serial protocols, 921.6 Kbps throughput with 512-byte FIFO handles high-speed data acquisition, and the 3-year warranty provides long-term deployment confidence\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetail and healthcare environments with barcode scanners, receipt printers, and medical instruments\u003c\/strong\u003e where plug-and-play cross-platform drivers eliminate IT overhead, the screw-lock connector maintains secure connections during daily use, and the lightweight 3-foot form factor keeps workstations organized\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat the StarTech DB9 Cable Delivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProlific PL2303 with 512-Byte FIFO:\u003c\/strong\u003e Prolific chipset delivers reliable serial communication at baud rates up to 921.6 Kbps with a 512-byte FIFO buffer, supporting 5\/6\/7\/8 data bits and five parity modes (Odd\/Even\/Mark\/Space\/None) for broad legacy protocol compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew-Lock DB9 Connection:\u003c\/strong\u003e Screw-lock nuts on the DB9 male connector provide vibration-resistant mounting to serial devices, preventing accidental disconnection in server racks, industrial equipment, and field deployments where cable security is essential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Platform Plug-and-Play:\u003c\/strong\u003e Automatic driver installation on Windows, macOS, and Linux provides immediate serial connectivity from any USB-A port without manual configuration, compatible with USB 2.0 and all previous USB revisions for universal host compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Serial Device Support:\u003c\/strong\u003e Connects to barcode readers, network switches, receipt printers, PLCs, medical devices, oscilloscopes, scales, and other RS232 serial peripherals through the standard DB9 male interface with reliable Prolific-based communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Warranty with Lifetime Support:\u003c\/strong\u003e Backed by StarTech's 3-year limited warranty with free lifetime 24\/5 multilingual technical assistance for long-term deployment confidence in mission-critical serial communication environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Is a DB9 Cable Used For?\u003c\/h3\u003e\n\u003cp\u003eA DB9 cable provides RS-232 serial communication between computers and peripheral devices that use the 9-pin D-sub connector standard. The StarTech 1P3FP-USB-SERIAL converts USB to DB9 RS-232, allowing modern computers without built-in serial ports to communicate with legacy equipment including network infrastructure (switches, routers, firewalls), industrial controllers (PLCs, sensors, motor drives), point-of-sale hardware (barcode scanners, receipt printers, cash drawers), and laboratory instruments (oscilloscopes, scales, measurement devices).\u003c\/p\u003e","brand":"StarTech","offers":[{"title":"Default Title","offer_id":52326758154424,"sku":"1P3FP-USB-SERIAL","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/9110\/4952\/files\/1073094064_c46d86d1-469d-4fa5-9258-cb9e4951e4bd.jpg?v=1764187539","url":"https:\/\/islandelectricalsupply.com\/products\/startech-db9-cable-usb-to-serial-3ft-1p3fp-usb-serial","provider":"Island Electrical Supply","version":"1.0","type":"link"}