StarTech.com 3.3ft (1m) USB to Null Modem Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux - Rugged TPE Construction
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Overview
- INTERCHANGEABLE NUTS & SCREWS: Secure the adapter to a serial device using the pre-installed DB9 screws, or install the included DB9 Nuts for compatibility with serial peripheral devices/cables; Add a null modem RS232 port to a computer using a USB-A port
- LED INDICATORS: Transmit and Receive LED indicators offer real-time monitoring of port activity, while the USB LED indicates when the adapter is successfully recognized by the desktop or laptop
- COMPATIBILITY: Works with Windows, macOS, ChromeOS, and Linux; Drivers auto-install in Windows 7+, macOS 10.15+, and Linux; COM retention enables the COM port to automatically re-assign; Resolve DCE/DTE conflicts without using cross-wired cables/adapters
- BUILD QUALITY: Solid one-piece molded TPE housing and Level-4 ESD protection (15kV air/8kV contact) enhance reliability and longevity; Copper shielding minimizes EMI/RFI interference; Gold-plated connectors; Extended operating temperature of -40°C to 80°C
- TECH SPECS: 3.3ft (1m) Cable Length; FTDI FT232R Chipset; Max Baud Rate: 921.6Kbps; 128 Byte RX and 256 Byte TX FIFO; Odd/Even/Mark/Space/None Parity Modes; 7 or 8 Data Bits; 1 or 2 Stop bits
Add an RS-232 null modem serial port to a laptop or desktop, using an available USB-A port
Add RS-232 DCE serial communications support to a desktop or laptop computer and resolve DCE/DTE conflicts directly without the need for additional cross-wired serial cables or adapters.
Serial Port Expansion
The 3.3ft (1m) Null Modem USB Serial Adapter adds an RS-232 serial DB/DE-9 (female) connector to a desktop or laptop via a USB Type-A port. Secure the adapter to a serial device, using pre-installed and removable slotted D-Sub thumbscrews or install the included DB-9 Nuts for compatibility with other serial peripheral devices or cables.
LED Indicators
Data transmission and reception LED indicators on the adapter provide real-time monitoring of port activity. The USB LED indicates when the adapter has successfully enumerated on the desktop or laptop. All the LEDs aid with diagnostics and troubleshooting.
Seamless Connectivity
The adapter is compatible with Windows, macOS, ChromeOS, and Linux. Drivers automatically install to Windows 7 and newer versions, macOS 10.15 and above, and Linux. The USB to RS-232 adapter features COM retention, which automatically reassigns the COM port value if the cable is disconnected and reconnected, or if the system is rebooted.
Built To Last
The rugged TPE construction and Level-4 ESD protection (15kV air and 8kV contact) enhance the reliability and longevity of the USB to Serial Adapter. Copper shielding minimizes Electromagnetic and Radio Frequency Interference (EMI and RFI). Gold-plated connectors enhance signal conductivity.
Specifications
Features
| Product colour | Black |
|---|---|
| Cable length | 1 m |
| Connector 1 | USB Type-A |
| Connector 2 | DB-9 |
| Connector 2 gender | Male |
| Connector 1 gender | Male |
| Connector 2 form factor | Straight |
| Connector 1 form factor | Straight |
| Jacket material | Thermoplastic elastomer (TPE) |
| Bandwidth | 480 MB/s |
| Stop bits | 1, 2 |
| Parity bit | Even, Mark, No, Odd, Space |
| FIFO (First In, First Out) | 256 B |
| Data bits | 7, 8 |
| Baud rate | 921.6 Kbit/s |
| Chipset | FTDI - FT232R |
| Windows operating systems supported | Windows 11 Enterprise x64, Windows 7 Professional x64, Windows 8.1 Pro, Windows 10, Windows 11 Home, Windows 7 Starter, Windows 8.1 Pro x64, Windows 10 Education, Windows 11 Pro, Windows 7 Starter x64, Windows 8.1 x64, Windows 10 Education x64, Windows 11 x64, Windows 7 Ultimate, Windows 10 Enterprise, Windows 7 Ultimate x64, Windows 10 Enterprise x64, Windows 7 x64, Windows 10 Home, Windows 8, Windows 10 Home x64, Windows 7, Windows 8 Enterprise, Windows 10 IOT Core, Windows 7 Enterprise, Windows 8 Enterprise x64, Windows 10 IoT Enterprise, Windows 7 Enterprise x64, Windows 8 Pro, Windows 10 Pro, Windows 7 Home Basic, Windows 8 Pro x64, Windows 10 Pro x64, Windows 7 Home Basic x64, Windows 8 x64, Windows 10 x64, Windows 7 Home Premium, Windows 8.1, Windows 11, Windows 7 Home Premium x64, Windows 8.1 Enterprise, Windows 11 Enterprise, Windows 7 Professional, Windows 8.1 Enterprise x64 |
| Mac operating systems supported | Mac OS X 10.14 Mojave, Mac OS X 13.0 Ventura, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.9 Mavericks, Mac OS X 10.12 Sierra, Mac OS X 11.0 Big Sur, Mac OS X 10.13 High Sierra, Mac OS X 12.0 Monterey |
| Linux operating systems supported | Yes |
| Server operating systems supported | Windows Server 2012 R2, Windows Server 2008 R2, Windows Server 2016, Windows Server 2012, Windows Server 2019, Windows Server 2022 |
Sustainability
| Sustainability compliance | Yes |
|---|
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Operational conditions
| Operating temperature (T-T) | -40 - 80 °C |
|---|---|
| Storage temperature (T-T) | -40 - 80 °C |
| Operating relative humidity (H-H) | 0 - 95% |
Certificates
| Compliance certificates | RoHS |
|---|
Weight & dimensions
| Weight | 55 g |
|---|
Packaging content
| Manual | Yes |
|---|
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
