Product Type | Adapter Cable with COM Retention |
Form Factor | External |
Weight | 106 g |
Power Requirements | USB-powered |
Included Accessories | 1 - USB to Serial Adapter |
Warranty | 2 Years |
Enclosure Color | Black |
StarTech 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention





Key Benefits

Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Ideal for connecting RS-232 serial devices such as POS terminals, barcode scanners, or industrial controls to USB-equipped computers
- COM port retention ensures consistent port mapping, saving setup time in IT environments
- TAA compliance meets regulatory standards for use in government and institutional installations
Product Overview
Add an RS-232 serial port to your laptop or desktop computer through USB, features COM port retention - USB to Serial - USB to RS232 - USB to DB9 - USB to serial Adapter - USB to serial portSpecifications
Product Overview
Physical & Environmental
Width | 1.3 Inch |
Depth | 15.7 Inch |
Height | 0.6 Inch |
Cable Length | 1 ft (0.3 m) |
Housing Material | Plastic |
Operating Temperature | 0°C to 55°C (32°F to 131°F) |
Storage Temperature | -20°C to 85°C (-4°F to 185°F) |
Humidity | 5% to 95% RH (Non-condensing) |
Cloud Management & Licensing
Management Interface | Driver-based configuration |
Driver OS Support | Windows, macOS, Linux |
COM Port Retention | Yes |
Interfaces
Interface Type | USB 2.0 to RS232 |
Connector 1 | USB Type-A Male |
Connector 2 | DB9 Male (RS-232) |
Serial Protocol Supported | RS-232 |
Interface Ports | 1 x DB9 Serial |
Baud Rate | Up to 921.6 Kbps |
FIFO | 512-byte Receive / Transmit FIFO |
Chipset ID | FTDI - FT232RL |
Flow Control | None, Xon/Xoff, RTS/CTS, DTR/DSR |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
Certifications | CE, FCC, RoHS |
REACH Compliant | Yes |
WEEE Compliant | Yes |
Advanced Security Features
ESD Protection | 15kV Human Body Model |