3-Foot Serial to USB Adapter Cable with FTDI FT232R Chipset, DB9 RS232 Male Connector, COM Port Retention, and Level-4 ESD Protection for Reliable DTE-to-DCE Serial Communication The StarTech 1P3FFCB-USB-SERIAL is a 3-foot (1 m) serial to USB cable that adds an RS-232 serial port to any computer through USB-A, providing the reach needed to connect serial peripherals positioned up to three feet away from the host system. The FTDI FT232R chipset delivers reliable communication at baud rates up to 921.6 Kbps with 128-byte RX and 256-byte TX FIFO buffers, while COM port retention automatically preserves the assigned COM port number through disconnections and reboots for stable application configurations. The straight-through DTE pinout with a DB9 male connector pairs directly with standard DCE serial peripherals including barcode scanners, receipt printers, POS terminals, sensors, and industrial controllers. Gold-plated connectors and copper shielding maintain signal integrity across the full 3-foot run, and Level-4 ESD protection rated at 15kV air and 8kV contact discharge protects connected equipment in environments where static events are common. Drivers auto-install on Windows 7+, macOS 10.15+, ChromeOS, and Linux for plug-and-play deployment without manual driver management. Where the StarTech Serial to USB Cable Fits Desktop workstations where serial peripherals sit beyond arm's reach where the 3-foot cable length bridges the gap between the computer's USB port and rack-mounted equipment, test instruments, or peripherals positioned behind or beside the desk without requiring a USB extension Retail POS deployments connecting receipt printers, scanners, and cash drawers where COM port retention maintains consistent port assignments across power cycles and cable disconnections, preventing application errors from port reassignment in multi-device serial configurations Industrial and lab environments with high static discharge risk where Level-4 ESD protection (15kV air/8kV contact), copper EMI/RFI shielding, and rugged molded TPE construction withstand daily use on factory floors, test benches, and production lines What the StarTech Serial to USB Cable Delivers FTDI FT232R with 921.6 Kbps Throughput: Industry-standard FTDI chipset supports baud rates up to 921.6 Kbps with 128-byte RX and 256-byte TX FIFO buffers, configurable 7/8 data bits, 1/2 stop bits, and five parity modes for broad serial protocol compatibility. 3-Foot Reach with COM Retention: The 1-meter cable length provides flexible placement for peripherals beyond the immediate desk area, while COM retention automatically preserves port assignments through disconnections, reconnections, and system reboots. Interchangeable DB9 Mounting Hardware: Pre-installed DB9 screws secure the adapter to serial peripherals with threaded standoffs, or swap to the included DB9 nuts for compatibility with devices that use stud-mount connectors. Level-4 ESD and Industrial-Grade Build: 15kV air and 8kV contact ESD protection with copper EMI/RFI shielding, gold-plated connectors, and molded TPE housing delivers reliability across industrial, commercial, and field environments at 0.12 lb total weight. Cross-Platform Auto-Install Drivers: Automatic driver installation on Windows 7+, macOS 10.15+, ChromeOS, and Linux provides true plug-and-play serial connectivity, with TX, RX, and USB LED indicators for real-time port activity monitoring.
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