• Adapt to Existing Serial Setups: 6.6ft (2m) USB-C to DB9 RS-232 adapter cable with interchangeable DB9 screws (pre-installed) and nuts supports a variety of serial peripherals and cabling while providing extra reach for flexible placement
• Monitor Port Activity at a Glance: Transmit, Receive, and USB LEDs show live port activity and host recognition status, helping IT teams confirm connection behavior faster during setup and troubleshooting
• Standardize Across Major Operating Systems: FTDI chipset supports Windows, macOS, ChromeOS, and Linux with driver auto-install and COM retention, simplifying deployments and maintaining serial access after reboots or reconnects
• Engineered for Demanding Environments: Level 4 ESD protection (15kV air / 8kV contact), molded TPE housing, copper shielding, gold-plated connector pins and a -40°C to 80°C range help maintain reliable connectivity in industrial or commercial environments
• The IT Pro's Choice: Access a broad portfolio of serial connectivity solutions from a trusted partner, rigorously tested for reliable performance and backed by free lifetime 24/5 multilingual technical assistance

Add an RS232 serial port to a laptop or desktop computer using an available USB-C port

Add RS-232 serial communication support to USB-C laptops or desktops using this 6.6ft (2m) USB-C to DB9 serial adapter cable.

Serial Port Expansion

The adapter adds an RS-232 DB9 male connector through a USB Type-C port. The cable improves reach to serial equipment and supports cleaner routing behind desks, workstations, kiosks, or service benches. Secure it with pre-installed removable DB9 screws or install the included DB9 nuts for expanded compatibility with serial peripherals.

LED Indicators

Transmit, Receive, and USB LEDs show activity and host recognition for faster setup and at-a-glance troubleshooting.

Seamless Connectivity

The FTDI-based adapter supports Windows, macOS, ChromeOS, and Linux. Driver auto-install and COM retention help maintain serial access after reboots or reconnects.

Built To Last

Molded TPE housing adds rugged protection against flexing and wear, while the Level-4 ESD (15kV air/8kV contact) protection helps protect connected devices from static discharge. Copper shielding helps minimize interference for cleaner signal transmission, and gold-plated connectors resist corrosion for long-term connection reliability. Rated for -40°C to 80°C operation, the cable is built for dependable performance in demanding industrial and commercial environments.

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