StarTech.com 2P6FFC-USB-SERIAL 4m Black USB-A to 2x DB-9 Cable

When your laptop or desktop lacks the classic RS-232 ports needed for legacy equipment, you’re forced to abandon proven tools or invest in costly adapters. The StarTech.com 2P6FFC-USB-SERIAL 4m Black USB-A to 2x DB-9 Cable gives you two reliable serial connections from a single USB-A slot, letting you keep older devices running smoothly without hassle.

StarTech.com 2P6FFC-USB-SERIAL 4m Black USB-A to 2x DB-9 Cable - the simple fix for missing serial ports

Many modern computers no longer include DB-9 connectors, leaving users unable to link to industrial machines, point-of-sale terminals or scientific instruments. This gap can cause downtime and extra expense. By attaching this cable, you instantly restore serial communication, enabling seamless data exchange with any RS-232 device. Compatibility with Windows, macOS, ChromeOS and Linux means you can deploy it across virtually any workstation.

Usages of StarTech.com 2P6FFC-USB-SERIAL 4m Black USB-A to 2x DB-9 Cable

The cable works wherever a reliable serial link is required.

• Connecting legacy barcode scanners to a new POS computer.
• Linking CNC machines or PLCs to a laptop for on-site programming.
• Attaching laboratory instruments that still output data via RS-232.
• Extending serial communication to a printer located across a workshop.
• Providing a dual-port link for two separate serial devices from one USB port.

Key Features of StarTech.com 2P6FFC-USB-SERIAL 4m Black USB-A to 2x DB-9 Cable

• Cable / Right Connector Gender: Male. Two DB-9 male connectors let you plug directly into standard serial devices.
• Cable / Left Connector Type: 4 pin USB Type A - male. Fits any standard USB-A port on computers.
• Cable Length: 13 ft (4 m). Gives you ample reach for devices placed far from the computer.
• Connector Type: 9 pin D-Sub (DB-9). Ensures full compatibility with traditional RS-232 equipment.
• Colour: Black. Discreet colour that blends with most workstations and equipment racks.
• Plated Connector: Gold. Improves signal conductivity and reduces corrosion over time.
• EMI/RFI Protection: Included. Shields the data line from electromagnetic and radio-frequency interference for cleaner communication.
• Level-4 ESD Protection: 15 kV air, 8 kV contact. Safeguards both the cable and connected devices from electrostatic discharge.
• COM Retention: Automatic. Keeps the assigned COM port consistent even after disconnection or reboot, simplifying setup.
• LED Indicators: Data TX/RX and USB status LEDs. Provide instant visual feedback for troubleshooting.

Benefits of StarTech.com 2P6FFC-USB-SERIAL 4m Black USB-A to 2x DB-9 Cable

You gain the freedom to keep using trusted serial hardware without investing in new machines, saving both time and money. The long 4 m cable lets you place devices wherever they are needed, reducing clutter and cable strain. Built-in LED lights let you see activity at a glance, cutting down on guesswork during installation. Robust TPE housing and high-level ESD protection mean the cable endures tough workshop environments, while gold-plated contacts maintain a strong, error-free signal. Finally, plug-and-play driver support across major operating systems means you can get up and running in minutes, not hours.

Specifications