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- StarTech 3ft USB to Null Modem Serial Adapter...
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Item #:
221756564
StarTech 3ft USB to Null Modem Serial Adapter Cable (1P3FFCNB-USB-SERIAL) | USB-A to RS232, Changeable DB9 Screws Nuts, FTDI, COM Retention, LED
Item #:
221756564
SLE 1279
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Saturday, August 15
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Add an RS-232 null modem serial port to a laptop or desktop, using an available USB-A port.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
COM Retention
Ensures stable communication by retaining COM port settings, preventing disruptions during reconnections, and enabling hassle-free device management.
LED Indicators
Equipped with LED indicators that provide real-time status of data transmission, allowing users to easily monitor connectivity and troubleshoot issues efficiently.
Changeable Hardware
Features changeable DB9 screws and nuts, allowing users to customize connections for specific applications, enhancing flexibility and compatibility with various serial devices.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 0.2 lbs (90 grams) |
| What is in the box | StarTech 3ft USB to... For more details, please check description/product details |
Who Should Buy?
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Technical Professionals
Engineers and IT specialists needing reliable serial communication for legacy hardware can benefit greatly from this adapter.
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Hobbyist Developers
Electronics hobbyists working with Arduino or Raspberry Pi can use this adapter for serial communication with peripherals.
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Support Technicians
Technicians troubleshooting older equipment can leverage this adapter for effective diagnostics and communication with serial devices.
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General Users
Casual users seeking simple USB connections for modern devices may find this adapter overly complex or unnecessary.
Product Description
StarTech 3ft USB to Null Modem Serial Adapter Cable (1P3FFCNB-USB-SERIAL) | USB-A to RS232, Changeable DB9 Screws Nuts, FTDI, COM Retention, LED Indicators
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Customer Questions & Answers
-
Question:
Is this adapter compatible with my operating system?
Answer: Yes, it supports Windows, macOS, ChromeOS, and Linux. -
Question:
How do I secure the adapter to a device?
Answer: You can use pre-installed DB9 nuts or the included slotted DB9 thumbscrews. -
Question:
Are drivers needed for installation?
Answer: Drivers automatically install for Windows 7+, macOS 10.15+, and Linux.
StarTech.com Serial Adapters Editorial Review
**** The product has garnered significant praise from customers for its exceptional build quality and ease of use. Users have highlighted its effectiveness in various applications, notably mentioning its seamless compatibility with Windows 11. This makes it a solid choice for those looking to configure older technology, such as the Allied Telesis AT8000 switches. Customers also appreciate the clear and concise instructions that accompany the product. While it is designed to be plug-and-play, the inclusion of additional technical instructions is a valuable feature for those who may require further guidance. Overall, the product stands out for its reliable performance and user-friendliness, saving users from potential technical headaches. **
Customer Reviews & Ratings
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Pros
- Excellent build quality
- Seamless compatibility with Windows 11
- Effective in configuring older technology
- Clear and concise instructions
- Plug-and-play functionality with technical support available
Cons
- No notable Cons mentioned in the feedback.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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SLE 1279
Order now and get it around Saturday, August 15
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Features & Benefits
- Easily add RS-232 serial port to laptops/desktops via USB-A.
- Features real-time LED indicators for monitoring data transmission.
- Compatible with major operating systems: Windows, macOS, ChromeOS, and Linux.
- Built with rugged TPE construction for durability and longevity.
- Includes interchangeable nuts and screws for versatile compatibility.
- Enhanced signal integrity with copper shielding and gold-plated connectors.
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