UGREEN 20222 USB to RS232 Serial Adapter 2m – DB9 & PL2303 Chip
UGREEN 20222 USB to RS232 Serial Adapter – Connect Legacy Devices to Modern Computers with Ease
The UGREEN 20222 USB to DB9 RS232 Adapter Serial Cable is a high-quality solution for connecting modern USB-enabled computers to legacy RS-232 serial devices. Whether you need to connect a barcode scanner, POS system, CNC controller, cash register, router, modem, or other RS-232 compatible equipment, this adapter bridges the gap between old and new technology with reliable performance.
High-Speed Data Transfer
Transfer data quickly and efficiently. This adapter supports data transfer rates over 1Mbps, with baud rates ranging from 20bps to 256kbps. Serial communication data can be transmitted quickly and smoothly, ensuring efficient communication for various industrial and commercial applications.
Powerful PL2303 Professional Chipset
Equipped with the latest Prolific PL2303 professional chipset, this adapter ensures stable, high-speed signal transmission. The PL2303 chip has been widely used and is fully compatible with most operating systems, providing robust and reliable communication between your devices and computer.
Double Shielding Layer – Interference-Free Performance
This RS232 to USB adapter features a thick tinned copper core with aluminum foil and metal braided mesh shielding layers. This multi-layer shielding effectively isolates interference, ensuring smooth, uninterrupted performance without lag or signal loss.
Premium Build Quality – Built to Last
The UGREEN 20222 is engineered for exceptional durability:
Nickel-Plated Connectors – Corrosion-resistant for secure, long-lasting connections
Thick Tinned Copper Core – Ensures stable and efficient signal transmission
Double Shielding – Aluminum foil and metal braided mesh isolate interference
High-Quality PVC Jacket – Provides durability, flexibility, and protection against daily wear
Multi-System Compatibility
This USB to serial adapter is compatible with a wide range of operating systems:
Windows: 10, 8.1, 8, 7, Vista, XP, 2000
Mac OS: OS X 10.6 and higher
Linux: Kernel versions 2.6 to 5.2
For Windows 8 and above, the driver updates automatically. For Windows 7 and Mac OS, please install the driver from the included CD or download from the UGREEN support website.
Universal Device Compatibility
This USB to RS232 adapter is suitable for connecting various RS232 serial devices, including:
Retail & Commercial: POS systems, cash registers, barcode scanners, label writers
Industrial: CNC controllers, PLCs, industrial machinery
Networking: Routers, switches, modems, ISDN terminal adapters
Consumer Electronics: Digital cameras, PDAs, GPS devices
Office Equipment: Printers, scanners
Security: Door control systems, security systems
Other: LED and LCD text displays, card readers, handheld computers
Thoughtful 2-Meter Length
At 2 meters (approximately 6.6 feet), this cable offers generous reach for flexible setup in various environments – at your desk, in the office, or across the room.
Plug and Play After One-Time Driver Installation
This adapter offers plug-and-play functionality after a one-time driver installation. Simply install the driver, connect the USB-A end to your computer and the DB9 connector to your serial device, and you're ready to go.
Supports Full Automatic Handshake Protocol
The adapter supports full automatic handshake protocol for reliable serial communication, ensuring stable data transmission between your computer and serial devices.
Backed by UGREEN Quality
With over a decade of expertise in consumer electronics accessories, UGREEN delivers reliable, high-performance products you can trust. The UGREEN 20222 comes with a 1-year warranty.
Upgrade Your Connectivity Today
Don't let incompatible ports hold you back. The UGREEN 20222 USB to RS232 Serial Adapter delivers high-speed data transfer, stable connectivity, and premium durability – all in a practical, versatile design. Order now and experience the UGREEN difference.
Technical Specifications
Frequently Asked Questions
Q1: What is the UGREEN 20222 USB to RS232 Adapter used for? +
The UGREEN 20222 is a USB to RS232 serial adapter cable that connects modern USB-equipped computers to legacy RS-232 serial devices such as barcode scanners, POS systems, CNC controllers, cash registers, routers, modems, digital cameras, GPS devices, printers, and more.
Q2: What chipset does this adapter use? +
This adapter is equipped with the latest Prolific PL2303 professional chipset, which ensures stable, high-speed signal transmission and is fully compatible with most operating systems.
Q3: What is the data transfer speed of this adapter? +
This adapter supports data transfer rates over 1Mbps, with baud rates ranging from 20bps to 256kbps.
Q4: What operating systems are compatible with this adapter? +
This adapter is compatible with Windows 10/8.1/8/7/Vista/XP/2000, Mac OS X 10.6 and higher, and Linux kernel versions 2.6 to 5.2. For Windows 8 and above, the driver updates automatically. For Windows 7 and Mac OS, please install the driver from the included CD.

