USB to RS232 serial adapter converts a standard USB-A port into a DB9 male RS232 serial connection for industrial equipment, control systems, test instruments, POS hardware and other legacy serial devices.
The adapter is powered directly from the USB port, so no external power supply is required. Its integrated conversion circuitry provides USB-to-RS232 communication with automatic data-flow control, making it suitable for both industrial and commercial serial applications.
Key Features
• USB-A to RS232 DB9 male serial converter
• USB 2.0 interface
• Standard DB9 male RS232 connector
• Manufacturer-stated transmission range: 300 to 460,800bps
• USB powered – no external power supply required
• Automatic transmit and receive control
• Integrated USB-to-serial communication circuit
• ±15kV ESD protection according to manufacturer specification
• Operating temperature: -40°C to 85°C
• Relative humidity: 5% to 95%
• Plug-and-play design with compatible systems
• Power and data-flow indicators show operating status
Compatible Systems
Manufacturer-listed compatibility includes:
• Windows 98 / 2000 / XP / Vista
• Windows 7 / 8 / 10
• Linux
• Mac
Typical Applications
• Industrial control equipment
• RS232 programming and configuration
• POS and till systems
• CNC and automation equipment
• Laboratory and test instruments
• Serial printers
• Barcode scanners
• Modems and communication equipment
• Legacy DB9 serial devices
Connector Configuration
Connector A: USB Type-A Male
Connector B: DB9 Male
Interface: USB 2.0 to RS232
Power: USB bus powered
Compatibility Note
Please confirm that your equipment requires an RS232 DB9 connection before ordering. RS232, RS485 and RS422 are different serial standards and are not interchangeable without the correct converter.
Package Contents
1 × USB to RS232 serial converter cable
