




USB TO SERIAL RS232 Pro Converter DB-9 Adapter Cable
- Function: Converts digital USB signals from a computer into analog RS-232 serial signals for older devices, and vice-versa.
- Connectors:
- USB Type-A Male: Plugs into the computer.
- DB-9 (D-Sub 9-pin) Male: Connects to the RS-232 serial device
- Power Source: USB-powered; no external power adapter required.
- Plug-and-Play (with Driver).
Key Features of USB to RS232 Adapter
Chipset Options: Compatible with popular chipsets like FTDI, Prolific, and Silicon Labs (CP210x).
Baud Rates: Supports data transfer speeds from 300 bps up to 921.6 Kbps.
Data Configuration: Supports 5-8 data bits, 1-2 stop bits, and parity modes (Odd, Even, None, etc.).
Flow Control: Supports None, Xon/Xoff, RTS/CTS, and DTR/DSR.
This usb to rs232 adapter is plug-and-play with driver support and works with most popular operating systems:
Windows: XP, Vista, 7, 8, 10, 11, Server editions
macOS and Linux
Sometimes Android and Windows CE
Advantages of Using a USB to RS232 Converter
This usb to serial converter is widely used in both professional and hobbyist environments. Benefits include:
Compact, lightweight, and portable
No external power needed – powered directly by the USB port
Optional LED indicators for transmit (TX) and receive (RX) activity
Optional industrial-grade versions with isolation and surge protection
Common Use Cases for USB to RS232 Converter
Networking & IT: Console access to routers, switches, and firewalls
POS Systems: Connect barcode scanners, receipt printers, or cash drawers
Industrial Equipment: Interface with PLCs, sensors, and automation systems
Scientific Devices: Link to lab measurement tools or data loggers
Legacy Hardware: Extend life of old modems, GPS devices, or serial-based instruments
Hobby Projects: Communicate with microcontrollers like Arduino (or similar)
USB to RS232 Cable Compatibility and Installation
This usb to rs232 cable works across platforms. Installation is simple:
Most FTDI chipsets auto-install via Windows Update
Others may need drivers from the included CD or manufacturer’s website
Once installed, your computer will detect it as a standard COM port
