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| SKU | nzs2396 |
| GTIN | 0799418888101 |
| Brand | UOTEK |
| Model Number | UT-890A / BC79323 |
| Cable Length | 1.5m (5ft) |
| Interface | USB 2.0 to RS485/RS422 (DB-9 Male) |
| Chipset | FTDI |
| ESD Protection | ±15KV |
| Surge Protection | 600W |
| Operation Modes | RS485 (Half-Duplex), RS422 (Full-Duplex) |
| Data Flow Control | Automatic, Zero-Delay |
| Power Source | USB Bus Powered |
| Operating Temperature | -25°C to 70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| OS Compatibility | Windows 7/8/10/11, macOS 10.X, Linux |
| Dimensions (Converter) | 8.4 x 6.1 x 1.4 inches (approx.) |
| Weight | 0.136 kg (0.3 lbs) |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
This item:
UOTEK UT-890A USB to RS485/422 Serial Converter 1.5m (5ft) | FTDI Chipset, ESD Protection
3,553
This item
UOTEK UT-890A USB to RS485/422 Serial Converter 1.5m (5ft) | FTDI Chipset, ESD Protection
3,553
Total price:
8,068
You save 6,217 (44%) Extra3 items selected
3 items
8,068You save 6,217 (44%) Extra
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Bridge Legacy Serial Devices to Modern USB
The UOTEK UT-890A is a universal USB to RS485/422 serial converter, designed for reliable data communication in demanding environments. Featuring an FTDI chipset and ±15KV ESD protection, it ensures robust performance and safeguards your equipment. This converter is powered directly via USB, eliminating the need for external power sources.
It supports both RS485 (half-duplex) and RS422 (full-duplex) interfaces, with automatic data flow control and zero-delay transmission. The 1.5m (5ft) cable and included terminal block offer flexible connectivity options for industrial automation, building management systems, or data acquisition. Drivers are included for Windows, macOS, and Linux.
This adapter provides a seamless bridge between older serial equipment and modern USB ports, crucial for maintaining legacy systems in India. All customs duties and GST are pre-paid, with fast, tracked delivery via ExpressBox.
Engineered for Reliability
The UT-890A converter leverages an FTDI chipset, renowned for its stability and broad driver support across operating systems. Its ±15KV ESD protection and 600W surge protection are critical for industrial settings where equipment is costly and often sensitive. Unlike basic adapters, this unit's automatic data flow control and zero-delay transmission ensure data integrity, making it a dependable choice for critical communication links. Imported from authorized US retailers, it offers a trusted solution for connecting legacy serial hardware to modern USB ports.
Who It's For & Who Should Skip
This adapter is perfect for IT professionals, industrial automation engineers, and hobbyists needing to connect RS485 or RS422 devices (like POS terminals, lab equipment, or networking gear) to computers with only USB ports. It's ideal for environments with potential electrical interference. Skip this if you only need a simple USB-to-parallel or USB-to-Ethernet connection, as this adapter is specifically for RS485/RS422 serial protocols.
Typical situations where UOTEK UT-890A USB to RS485/422 Serial Converter 1.5m (5ft) | FTDI Chipset helps — illustrative scenarios, not customer reviews.
Connecting legacy industrial machinery in a factory in Chennai to a modern PC for data logging.
The UT-890A's RS485/RS422 support and robust ESD protection ensure reliable data transfer from older machines, even in environments with potential electrical noise. Drivers are available for the plant's Windows PCs.
A retail store in Delhi needs to connect an older POS system with a serial printer to a new laptop.
This adapter bridges the gap, allowing the laptop's USB port to communicate with the POS system's serial interface. Its plug-and-play nature and included driver CD simplify setup for quick integration.
| Recommended Use | Connecting RS485/RS422 serial devices to USB ports on computers or laptops. |
| Included Accessories | 1 x USB to RS485/422 Converter, 1 x Terminal Block, 1 x Driver CD |
| Data Transfer Rate | Up to 480 Mbps (USB 2.0) |
| Cost per unit | 1 unit at ₹3,553 — ₹3,553 per unit |
| Feature | UOTEK UT-890A USB | Others |
|---|---|---|
| Chipset & Driver Support | FTDI chipset with broad Windows, macOS, Linux driver support. | Varies by brand; some may use less common chipsets with limited OS compatibility or driver issues. |
| ESD & Surge Protection | ±15KV ESD protection and 600W surge protection built-in. | Often lacks specific ESD or surge protection, leaving sensitive equipment vulnerable. |
| Build Quality & Reliability | Industrial-grade construction, zero-delay auto data control, USB powered. | May have simpler construction, less robust components, and potentially less stable data transmission. |
| Cost per Unit | 1 unit at ₹3,553 — ₹3,553 per unit | Local adapters can range from ₹800 to ₹2,500, depending on features and brand. |
About UOTEK
UOTEK specializes in reliable USB to serial adapters and converters, providing essential connectivity solutions for industrial and commercial applications.
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 |  |  |  |  |  | |
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| Spec | |||||||
| Price |
2,579 3,570 |
1,936 2,644 |
1,936 2,831 |
1,936 3,893 |
1,936 3,084 |
2,711 4,255 |
| Rating | 4.60(19) | 4.80(900) | 4.50(114) | 5.00(7) | 5.00(2) | 5.00(5) | 4.60(13) |
| Brand Name | UOTEK | DSD TECH | ANMBEST | ANMBEST | ANMBEST | ANMBEST | ANMBEST |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
