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UGREEN USB-A 2.0 to DB9 RS-232 Male Adapter Cable 1.5m – CR104
Key Features
Brand: UGREEN
Cable length: 1.5 meters (4.9 feet)
Connector 1: USB-A 2.0 male
Connector 2: DB9 RS-232 male
Supports data transfer rates up to 12Mbps
Supports remote wake-up and power management
Built-in FTDI chipset for reliable communication
Compatible with Windows, Mac OS, and Linux operating systems
1 Year Warranty
Ugreen USB-A 2.0 to DB9 RS-232 Male Adapter Cable 1.5m CR104 Product Overview
The Ugreen USB-A 2.0 to DB9 RS-232 Male Adapter Cable 1.5Meter CR104 is a professional-grade serial communication cable engineered to bridge the gap between modern computer architectures and legacy peripheral hardware. This high-performance adapter converts a standard USB Type-A port into an analog DB9 RS-232 serial interface. It provides a reliable data link for IT administrators, system engineers, and industrial technicians who must configure, monitor, and control specialized equipment that relies on standard serial protocols.
Core Features and Technical Specifications
High-Performance FTDI FT232R Processing Chipset
At the core of this cable is the industry-standard FTDI FT232R communication chipset. This smart processor handles hardware signal conversion efficiently, ensuring exceptional timing accuracy, minimal data latency, and robust driver support across a wide range of platforms. The integrated hardware engine maintains a stable programmable baud rate ranging from 300 bps to 1 Mbps for flawless data synchronization.
Industrial Multi-Layer Signal Shielding
Serial communications are highly vulnerable to external Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) in industrial settings. To guarantee perfect signal purity and prevent data packet loss, the internal lines utilize premium tinned-copper conductors. These wires are wrapped in a high-density dual-shielding matrix composed of dense aluminum foil layers and a robust tinned-copper protective braid.
Corrosion-Resistant Contacts and Durable Housing
The Ugreen DB9 male connector features premium, corrosion-resistant gold-plated interface pins that minimize contact resistance and resist long-term atmospheric oxidation. The connector housing is molded from high-strength industrial polymers and incorporates integrated thumb screws. These textured screws allow technicians to secure the serial port connection by hand, preventing accidental disconnections from cable movement.
Intelligent COM Port Retention and Protocols
The advanced FTDI hardware driver setup features smart COM port retention. Once installed on a host computer, the adapter automatically reassigns the exact same COM port number whenever the cable is unplugged and reinserted. The interface supports standard RS-232 serial protocols, automatic hardware handshaking, remote wake-up configurations, and intelligent power management links.
Key Benefits for Users
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- True Serial Hardware Emulation: Provides an authentic hardware-level RS-232 link to interface smoothly with older specialized machinery.
- Port Strain Protection: The 1.5-meter (4.9 feet) flexible PVC jacket offers ample length to connect nearby hardware without placing physical stress on device ports
- Automated COM Reassignment: Eliminates the logistical hassle of reconfiguring software settings inside terminal utilities after a system reboot.
- Broad System Compatibility: Offers certified, signed drivers that operate reliably across a broad variety of modern and legacy operating systems.
Ideal Applications and Use Cases
Network Infrastructure Configuration
An essential diagnostic tool for network administrators and IT engineers who need to connect a laptop directly to the console ports of enterprise routers, switches, and firewalls.
Industrial Automation and CNC Control
Enables manufacturing facilities to link modern industrial control computers to legacy CNC milling machines, programmable logic controllers (PLCs), and robotic assembly gear.
Commercial Point of Sale (POS) Systems
Perfect for retail setups and hospitality environments that require connecting bar code scanners, receipt printers, digital scales, and card terminals to a modern computer tower.
Scientific and Lab Equipment Monitoring
Allows laboratory technicians and researchers to collect real-time data from legacy scientific meters, weather monitoring stations, GPS receivers, and telescoping arrays.
Summary Profile
- Product Brand: Ugreen
- Model Identifier: CR104
- Product Part Number: UG-20210
- Host Connection Interface: USB 2.0 Type-A Male
- Device Serial Interface: DB9 RS-232 Male (Featuring Integrated Thumb Screws)
- Integrated Core Chipset: FTDI FT232R
- Programmable Baud Rate: 300 bps to 1 Mbps
- Signal Shielding Design: Dual-Layer Aluminum Foil and Tinned-Copper Braid
- Contact Pin Finish: Anti-Corrosive Gold Plating
- Cable Length Metric: 1.5 Meters (4.92 Feet)
- Operating System Support: Windows 11 / 10 / 8.1 / 8 / 7 / Vista / XP, macOS, Linux
- Color Composition: Structural Black
