StarTech.com 1P1FFCN-USB-SERIAL 0.3m USB-A to DB9 RS232 Adapter Cable

Struggling to connect legacy serial equipment to a modern laptop? The USB RS232 Adapter lets you add a DB9 serial port via any USB-A slot, turning an old printer, CNC machine or scientific instrument into a plug-and-play device. It removes the need for bulky external cards and eliminates DCE/DTE wiring hassles, giving you reliable communication in minutes.

Key Features of a 0.3m USB RS232 Adapter

• Cable length: 0.3 m. Short enough to keep your workspace tidy while reaching nearby devices.
• Right connector gender: Female. Fits standard DB9 serial ports without extra adapters.
• Connector type: 9 pin D-Sub (DB-9) - screwable. Securely fasten the cable to prevent accidental disconnects.
• LED indicators: Data TX/RX and USB status LEDs. Instantly see when data is flowing and when the adapter is recognised.
• COM retention: Automatic COM port reassignment after reconnection or reboot. Saves you time re-configuring software.
• Gold-plated connectors: Enhanced signal conductivity for a cleaner, more reliable link.
• Level-4 ESD protection: 15 kV air, 8 kV contact shielding protects against static discharge damage.
• FTDI FT232R chipset: Proven driver support across Windows, macOS, Linux and ChromeOS.
• Data rate: 921.6 Kbps. Handles fast serial communications without bottlenecks.
• Rugged TPE construction: Durable housing resists wear and reduces EMI/RFI interference.

Why Choose a StarTech.com USB RS232 Adapter

If you work with industrial machinery, laboratory instruments or legacy POS systems, you’ve probably faced missing serial ports or unreliable adapters. Finding a compact, plug-and-play solution that works on any OS can be frustrating. This StarTech.com USB RS232 Adapter fits neatly on your desk, installs automatically and provides a stable link, so you can focus on the task rather than the connection.

Benefits of StarTech.com USB RS232 Adapter

• Easy setup: No driver download needed for most modern operating systems.
• Reliable link: Gold-plated contacts and EMI shielding keep data clean.
• Peace of mind: Level-4 ESD protection guards your equipment against static.
• Consistent COM port: Retention feature means your software always finds the same port.

Usages of a 0.3m USB RS232 Adapter

Ideal for connecting point-of-sale terminals, barcode scanners, CNC routers, medical devices or any older hardware that still relies on a DB9 serial interface, especially when space is limited and a short, sturdy cable is required.

Specifications