Connecting legacy industrial equipment in a factory setting in Pune.
This adapter reliably connects older machinery with RS232 ports to a modern PC for data logging and control, ensuring uninterrupted operations.
You save 1,225 (19%)
19% off the seller list price
Doorstep delivery by 18 Sept - 20 Sept from USA
| SKU | xax4112 |
| GTIN | 0713458103727 |
| Brand | TECHTOO |
| Model Number | USB to DB9 Cables |
| Connector Type | USB Type A |
| Serial Connector Gender | Male-to-Male |
| Number of Pins | 9 |
| Cable Length | 3 feet (0.91 meters) |
| Material | Iron |
| Color | 2 RS232 Port |
| Item Shape | Round |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |

This item:
TECHTOO FTDI Chip USB to RS232 Serial Adapter Cable DB9 Male to Male with Thumbscrews | 1 Mbps Data Transfer
5,088

This item
TECHTOO FTDI Chip USB to RS232 Serial Adapter Cable DB9 Male to Male with Thumbscrews | 1 Mbps Data Transfer
5,088
Total price:
19,567
You save 5,661 (22%) Extra3 items selected
3 items
19,567You save 5,661 (22%) Extra
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Bridge Your Legacy Systems to Modern USB
The TECHTOO USB to RS232 DB9 Serial Male Converter Adapter Cable provides a reliable link between your computer's USB port and older serial devices. Designed for seamless connectivity, it supports a wide range of equipment including routers, modems, GPS receivers, and industrial hardware. This adapter ensures efficient data transfer up to 1 Mbps, making it suitable for various applications. Imported from authorized US retailers and authorized brand partners, it offers a dependable solution for integrating legacy systems into modern setups.
Featuring a robust Prolific chipset and FTDI chip, this adapter guarantees stable performance and broad compatibility. It works with Windows, Linux, Mac OS, and Android, requiring only a one-time driver installation for plug-and-play functionality. The male DB9 connectors with thumbscrews ensure a secure connection, and it's powered directly by the USB port, eliminating the need for an external power adapter. This makes it a convenient and versatile tool for IT professionals and hobbyists alike.
For Indian users, this adapter bridges the gap for legacy networking gear, industrial control systems, or point-of-sale devices that still rely on RS232 ports. While local alternatives may exist, this USA-sourced adapter offers verified chipset compatibility and driver support for consistent performance. All customs duties and GST are included in the displayed price, with delivery via ExpressBox tracked shipping, arriving within 13-15 days.
Engineered for Reliable Serial Connectivity
This adapter leverages advanced FTDI and Prolific chipsets, renowned for their stability and broad driver support across multiple operating systems. It's designed to provide a consistent, high-speed data link for your critical serial devices, ensuring that your legacy equipment integrates smoothly with modern USB-enabled computers. Imported from authorized US retailers and authorized brand partners, it guarantees genuine components and performance standards.
Ideal for IT Professionals & Legacy Systems
This adapter is best suited for users needing to connect older serial peripherals like routers, modems, industrial controllers, or POS systems to a computer with only USB ports. It is recommended for those who require a stable, high-speed connection and broad OS compatibility. Users with exclusively USB-C ports on their laptops may need a separate USB-A to USB-C adapter. It is not suitable for devices requiring a female DB9 connector or non-RS232 serial protocols.
Typical situations where TECHTOO FTDI Chip USB to RS232 Serial Adapter Cable DB9 Male to Male with Thumbscrews | 1 Mbps Data Transfer helps — illustrative scenarios, not customer reviews.
Connecting legacy industrial equipment in a factory setting in Pune.
This adapter reliably connects older machinery with RS232 ports to a modern PC for data logging and control, ensuring uninterrupted operations.
Setting up a point-of-sale system in a retail store in Delhi.
Integrates older cash registers or receipt printers with a new computer, ensuring smooth transaction processing and data management.
| Recommended Uses | Data Transfer and Communication between Serial Devices and Computers |
| Supported Operating Systems | Windows, Linux, Mac OS, Android |
| Maximum Transfer Rate | 1 Mbps |
| Power Source | USB Port |
| Cost per unit | ₹5,088 per adapter |
| Feature | TECHTOO FTDI Chip | Others |
|---|---|---|
| Chipset & Driver Support | Features FTDI & Prolific chipsets with broad, signed driver support for Windows, Mac, Linux, Android. | Local adapters may use generic chipsets with limited or outdated driver support, potentially causing compatibility issues on newer OS versions. |
| Data Transfer Rate | Up to 1 Mbps, ensuring efficient communication for demanding serial devices. | Varies significantly; many budget local options offer lower transfer rates, impacting performance for sensitive equipment. |
| Build Quality & Reliability | Durable construction with thumbscrews for secure connection, powered by USB, no external adapter needed. | Build quality can be inconsistent; some may require external power or lack secure connector locking mechanisms. |
| Cost per Adapter | Imported, duties included — ₹5,088 per adapter | Local options typically range from ₹800 - ₹2500, depending on brand and chipset. |
About TECHTOO
TECHTOO specializes in reliable connectivity solutions, offering a range of adapters and cables for seamless data transfer across various devices and systems.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price |
2,041 2,829 |
12,438 16,086 |
4,737 6,081 |
5,129 8,597 |
2,781 4,306 |
5,357 5,893 |
| Rating | 4.30(35) | 4.80(900) | 4.30(35) | 4.00(48) | 5.00(3) | 5.00(1) | 4.30(35) |
| Brand Name | TECHTOO | DSD TECH | TECHTOO | TECHTOO | TECHTOO | TRENDnet | TECHTOO |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |