--- product_id: 253579273 title: "SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus" brand: "dsd tech" price: "$12.16" currency: USD in_stock: true reviews_count: 2 category: "Dsd Tech" url: https://www.desertcart.us/products/253579273-sh-u11-usb-to-rs485-rs422-converter-with-ftdi-ft232r store_origin: US region: United States of America --- # Industrial-grade FTDI FT232R chip Cross-platform OS compatibility USB to RS485/RS422 converter SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus **Brand:** dsd tech **Price:** $12.16 **Availability:** ✅ In Stock ## Summary > 🔗 Connect like a pro — industrial-grade USB serial power in your pocket! ## Quick Answers - **What is this?** SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus by dsd tech - **How much does it cost?** $12.16 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/253579273-sh-u11-usb-to-rs485-rs422-converter-with-ftdi-ft232r) ## Best For - dsd tech enthusiasts ## Why This Product - Trusted dsd tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Visual Status Indicators:** Power and transceiver LEDs keep you informed at a glance—no guesswork needed. - • **Real FTDI Chip Reliability:** Built-in FT232R chip guarantees stable, professional-grade communication. - • **Trusted Support & Warranty:** 1-year exchange and expert tech support ensure your investment is future-proof. - • **Universal OS Compatibility:** Seamlessly works on Windows 11/10/8/7, Linux, and Mac OS for ultimate flexibility. - • **Plug & Play Industrial Connectivity:** Instantly link RS485/RS422 devices to your PC with zero driver hassle. ## Overview The DSD TECH SH-U11 is a compact, industrial-grade USB to RS485/RS422 converter featuring a genuine FTDI FT232R chip for hassle-free driver installation across Windows, Linux, and Mac OS. Designed for professional industrial communication, it offers reliable, plug-and-play connectivity with built-in power and data transmission indicators, backed by a 1-year warranty and responsive technical support. ## Description Product description Model:SH-U11 The SH-U11 is a USB to RS485/RS422 converter. It uses a reliable FTDI FT232R chip for easy driver installation on Windows, Linux, and Mac. Featuring a terminal block, it provides a simple and stable connection for industrial communication protocols like Modbus. Built-in Industrial FTDI Chip Experience ultimate stability with the industrial-grade FT232R chip. It ensures robust performance and offers automatic driver installation on most operating systems for a truly hassle-free setup right out of the box. Seamless Cross-Platform Operation This adapter works effortlessly with a wide range of operating systems, including Windows 11/10, Linux, and Mac OS. Enjoy maximum flexibility and connectivity across all your professional or personal computing environments. Direct USB to RS485/RS422 Interface Instantly connect industrial equipment (like Modbus devices) directly to your computer's standard USB port. This robust converter provides a fast, simple, and reliable solution for professional industrial communication and control networks. Specification Review: It is working (real FTDI chip). - Ordered for RS485 (Modbus RTU) communication with devices. It is working (real FTDI chip, not a clone), tested on Win 10. The converter have ESD protectors + thermal fuses on RS485/RS422 terminals. I wish that DSD Tech will make also isolated version. Review: Nice - Nice ## Features - DSD TECH: DSD TECH focuses on developing communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan. - USB to RS485 / RS422: Industrial grade USB to RS485 RS422 converter. You can connect any RS485 or RS422 device directly to your computer's USB port - FTDI FT232R Chip:Built in FTDI FT232RNL/FT232RL chips, you don't have to worry about driver problems. Suitable for Windows 11, 10, 8, 7, Liunx, Mac OS and other operating systems. - Displays: Built-in power and transceiver indicators. Get an overview of the device's functional status at a glance. - Customer support: We offer permanent technical support and a 1-year product exchange service. All questions will be answered for you within 1 business day ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07B416CPK | | Best Sellers Rank | #30,607 in Computers ( See Top 100 in Computers ) #79 in Serial Adapters | | Brand | DSD TECH | | Color | Blue | | Colour | Blue | | Compatible Devices | Desktop | | Compatible devices | Desktop | | Connector Type | USB Type A | | Connector type | USB Type A | | Current Rating | 1 Amps | | Customer Reviews | 4.6 out of 5 stars 578 Reviews | | External Testing Certification | Não aplicável | | Finish | Matte | | Input Voltage | 5 Volts | | Item Dimensions | 5.6 x 2.5 x 1.4 centimeters | | Item Weight | 0.05 Kilograms | | Item dimensions L x W x H | 5.6 x 2.5 x 1.4 centimeters | | Manufacturer | DSD TECH | | Model Number | SH-U11 | | Number of Ports | 1 | | Package Quantity | 1 | | Power Plug Type | No Plug | | Specific Uses For Product | TV | | Specific uses for product | TV | | UPC | 737123980413 | | Unit Count | 1 Count | | Warranty Description | 1-year warranty | | Warranty Type | Limited | ## Product Details - **Colour:** Blue - **Compatible devices:** Desktop - **Connector type:** USB Type A - **Item dimensions L x W x H:** 5.6 x 2.5 x 1.4 centimeters - **Specific uses for product:** TV ## Images ![SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus - Image 1](https://m.media-amazon.com/images/I/71DylrRAUUL.jpg) ## Questions & Answers **Q: What are some typical applications for this..I am a novice...?** A: These are typically used to connect to devices that use some form of serial communications. Like Modbus **Q: Are jumpers available to turn on the required bias resistors and/or termination resistors?** A: No, but you can place 120 ohm resistor across the RX line terminal block on this device. The receiver on the other end of this device TX should be terminated with 120 ohms as well. **Q: Aside from 15kv esd and tvs overvoltage protection, does this device also have any optical or galvanic isolation? thanks** A: Sorry, SH-U11 RS485 RS422 module does not have optical or current isolation, if you need you can buy a RS485 RS422 isolation adapter in our store **Q: Are these the ones that can be used to communicate with your solar charge controllers?** A: This has a 2 or 4 wire RS485 interface that works with most any device that has a RS485 interface, but to do the communication you need some other piece of software to connect. ## Customer Reviews ### ⭐⭐⭐⭐⭐ It is working (real FTDI chip). *by D***N on 19 January 2021* Ordered for RS485 (Modbus RTU) communication with devices. It is working (real FTDI chip, not a clone), tested on Win 10. The converter have ESD protectors + thermal fuses on RS485/RS422 terminals. I wish that DSD Tech will make also isolated version. ### ⭐⭐⭐⭐⭐ Nice *by S***T on 21 June 2022* Nice ## Frequently Bought Together - DSD TECH SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus - USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection - DSD TECH SH-U10 USB to RS485 Converter for Modbus --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/253579273-sh-u11-usb-to-rs485-rs422-converter-with-ftdi-ft232r](https://www.desertcart.us/products/253579273-sh-u11-usb-to-rs485-rs422-converter-with-ftdi-ft232r) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-19*