UGREEN USB-A 2.0 to DB9 RS-232 Male Adapter Cable 1.5m – UG-20211

The UGREEN USB‑A 2.0 to DB9 RS‑232 Male Adapter Cable – 1.5 m (UG‑20211) provides seamless serial connectivity between modern USB-equipped computers and legacy RS‑232 devices like industrial controllers, CNC machines, modems, and instrumentation. It incorporates a reliable FTDI chipset for stable, low-latency data communication and durable nylon-braided construction—perfect for professionals needing dependable serial connections in harsh or industrial environments.

Product Features

dependable rs‑232 communication

Employs the FTDI FT232RL chipset to support baud rates up to 921,600 bps and maximum transfer rates of 1 Mbps for stable serial communication.

rugged braided cable

The 1.5 m length features a nylon-braided sheath that resists wear, prevents tangling, and is built for demanding work environments.

plug‑and‑play functionality

Self-loading drivers available for Windows, macOS, and Linux ensure rapid installation and reliable operation without the need for system restarts.

full RS-232 voltage compliance

Delivers standard ±12 V serial signalling and supports TX/RX, CTS/RTS for complete compatibility with industrial equipment and legacy hardware.

Secure DB9 male connector

Features a metal-housed DB9 male end with thumbscrews for a stable and secure serial cable connection.

universal system support

Compatible out-of-the-box with Windows 7/8/10/11, macOS, and Linux, with drivers available via the FTDI official site.

Product Specifications

• Model: UG‑20211
• Interface: USB‑A 2.0 male → DB9 male (RS‑232)
• Chipset: FTDI FT232R
• Cable Length: 1.5 m with nylon braid
• Baud Rate: Supports 300–921,600 bps, up to 1 Mbps
• Voltage Levels: ±12 V RS‑232 standard; includes TX/RX and CTS/RTS lines
• Connector: Metal-cased DB9 male with thumbscrew
• Operating Systems: Windows 7/8/10/11, macOS, Linux
• Cable Jacket: Durable nylon-braided sheath
• Operating Conditions: 0–70 °C, 10–90 % non-condensing humidity