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

The UGREEN USB to DB9 RS-232 Adapter Cable (Model: UG-20211) provides a reliable and efficient way to connect RS-232 serial devices to modern USB-enabled computers. Ideal for industrial, point-of-sale, and networking applications, this adapter features a high-performance Prolific chipset for stable communication and wide compatibility. Whether connecting to routers, label printers, barcode scanners, or legacy industrial equipment, the UGREEN RS-232 cable ensures consistent and accurate data transmission.

Product Features

Stable Serial Communication

Equipped with a genuine Prolific PL2303 chipset, this adapter delivers high compatibility and reliable performance with most RS-232 devices, ensuring stable data flow and reduced signal loss.

Plug-and-Play Convenience

No external power is needed. Most modern operating systems install drivers automatically, allowing fast setup with minimal effort.

Broad Compatibility

Supports Windows, macOS, Linux, and Chrome OS, making it suitable for a wide range of professional and technical environments.

Durable Build Quality

Features a robust PVC outer jacket and tinned copper wiring with shielding to ensure stable signal transmission and resistance to interference in demanding workspaces.

Ideal for Legacy Devices

Perfect for connecting legacy serial devices such as modems, POS terminals, CNC machines, industrial instrumentation, and network switches to newer laptops and PCs.

Product Specifications

• Model: UG-20211
• Cable Length: 1.5 meters
• Connector A: USB Type-A Male
• Connector B: DB9 Male (RS-232 Serial)
• Chipset: Prolific PL2303
• Data Transfer Rate: Up to 1 Mbps
• Baud Rate: Supports up to 115200 bps
• Supported Operating Systems: Windows XP/7/8/10/11, macOS, Linux, Chrome OS
• Conductor Material: Tinned copper
• Outer Jacket: Durable PVC
• Shielding: Multiple layers for EMI protection
• Power Supply: USB bus-powered
• Use Case: Serial device connection (e.g., routers, printers, CNC, modems)
• Weight: Approx. 50 grams
• Plug and Play: Yes (driver may be required on older OS)
• Warranty: 1 year manufacturer warranty