- Add RS-232 Serial Support: Easily connect legacy serial devices to your laptop or desktop via USB-A; resolves DCE/DTE conflicts without extra cross-wired cables or adapters.
- Null Modem Design: Includes a DB9 female connector with interchangeable screws and nuts for secure attachment to industrial equipment, POS devices, and signage boards.
- Real-Time LED Indicators: Monitor Transmit (TX), Receive (RX), and USB status for quick diagnostics and troubleshooting.
StarTech 3.3 ft. USB-A to RS232 Adapter, Male to Female, Black (1P3FFCNB-USB-SERIAL)
About this product
Add RS-232 DCE serial communication support to your desktop or laptop with this 3.3ft (1m) USB to RS-232 Null Modem Serial Adapter, featuring a DB9 female connector and FTDI chipset for reliable performance. Designed to resolve DCE/DTE conflicts without extra cross-wired cables or adapters, this rugged adapter offers real-time LED indicators for transmit, receive, and USB status, ensuring easy diagnostics. Compatible with Windows (7+), macOS (10.15+), ChromeOS, and Linux, it supports automatic driver installation and COM port retention for seamless reconnection. Built for durability with molded TPE housing, Level-4 ESD protection (15kV air / 8kV contact), copper shielding to minimize EMI/RFI interference, and gold-plated connectors for superior signal integrity, this adapter is ideal for connecting industrial sensors, POS devices, barcode scanners, and digital signage boards. With a max baud rate of 921.6Kbps, extended operating temperature range (-40°C to 80°C), and interchangeable DB9 screws/nuts for secure mounting, this USB to serial adapter delivers reliable, high-speed connectivity for all your RS-232 applications.
- Add RS-232 Serial Support: Easily connect legacy serial devices to your laptop or desktop via USB-A; resolves DCE/DTE conflicts without extra cross-wired cables or adapters.
- Null Modem Design: Includes a DB9 female connector with interchangeable screws and nuts for secure attachment to industrial equipment, POS devices, and signage boards.
- Real-Time LED Indicators: Monitor Transmit (TX), Receive (RX), and USB status for quick diagnostics and troubleshooting.
- Universal Compatibility: Works with Windows (7+), macOS (10.15+), ChromeOS, and Linux; features auto-driver installation and COM port retention for seamless reconnection.
- Rugged & Reliable Build: Molded TPE housing, Level-4 ESD protection (15kV air / 8kV contact), copper shielding to reduce EMI/RFI interference, and gold-plated connectors for superior signal integrity.
- High-Performance Specs: 3.3ft (1m) cable, FTDI FT232R chipset, max baud rate 921.6Kbps, extended operating temperature (-40°C to 80°C), and support for multiple parity/data bit configurations.
- Box contains: USB to serial adapter, two DB9 nuts, quick-start guide
- 2-year manufacturer limited warranty
Staples TECH - exceptional performance at unmatched value
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Your product StarTech 3.3 ft. USB-A to RS232 Adapter, Male to Female, Black (1P3FFCNB-USB-SERIAL) Price is $43.49 |  Price is $48.99 |  Price is $58.99 |  Price is $79.99 |  Price is $16.33 | |
| Reviews | |||||
| Delivery Information | Free delivery by Fri, Feb 06 | Free delivery by Fri, Feb 06 | Free delivery by Fri, Feb 06 | Free delivery by Fri, Feb 06 | Delivery by Fri, Feb 06 |
| Available in my store | No | No | No | No | No |
| End 1 Connector Type | USB A | USB A | USB A | HDMI | USB C |
| End 2 Connector Type | RS232 | RS232 | RS232 | HDMI | 3.5mm |
| Adapter & Splitter Type | Adapter | Adapter | Data not available | Adapter | Adapter |
| Connector Gender | Male to Female | Male to Female | Data not available | Male to Female / Female | Male to Female |
| Adapter Use | Data | Data | Data not available | Audio / Video | Audio |
| True Color | Black | Black | Black | Black | Black |
| Warranty Information | 2 Year | 2 Year | 2 Year | 2 Year | 2 Year |
| USB | Yes | Yes | Data not available | Yes | Yes |
| Connector Finish | Gold-Plated | Data not available | Gold-Plated | Nickel-Plated | Nickel-Plated |
| Selling Quantity | 1 | Data not available | Data not available | Data not available | Data not available |
| Selling Quantity (UOM) | Each | Data not available | Data not available | Data not available | Data not available |
| Add To Cart | Add To Cart | Add To Cart | Add To Cart |
