--- product_id: 358055061 title: "4 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10, 8, 7, XP and Mac" brand: "dtech" price: "€ 69.65" currency: EUR in_stock: true reviews_count: 5 category: "Dtech" url: https://www.desertcart.hr/products/358055061-4-feet-usb-to-rs422-rs485-serial-port-converter-adapter store_origin: HR region: Croatia --- # 600W surge & 15KV ESD protection FTDI chipset ensures seamless plug & play 4ft cable length for flexible setups 4 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10, 8, 7, XP and Mac **Brand:** dtech **Price:** € 69.65 **Availability:** ✅ In Stock ## Summary > ⚡ Power your legacy systems with future-ready USB serial connectivity! ## Quick Answers - **What is this?** 4 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10, 8, 7, XP and Mac by dtech - **How much does it cost?** € 69.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/358055061-4-feet-usb-to-rs422-rs485-serial-port-converter-adapter) ## Best For - dtech enthusiasts ## Why This Product - Trusted dtech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Communication:** Supports half-duplex RS485 and full-duplex RS422 with auto data speed detection and zero delay transmission. - • **Plug & Play Simplicity:** Instantly add RS422/RS485 ports to your PC or Mac—no drivers needed for Windows 10+ and MacOS. - • **Universal Compatibility:** Supports Windows 11, 10, 8, 7, XP, Mac, and Linux—future-proof your connectivity across platforms. - • **Industrial-Grade Protection:** Built-in 600W surge and 15KV ESD shielding safeguards your sensitive equipment from costly electrical damage. - • **Extended Reach & Scalability:** Connect up to 32 devices over distances up to 1200 meters—perfect for complex industrial and automation systems. ## Overview The DTECH 4ft USB to RS422/RS485 Serial Port Converter Cable features a high-performance FTDI chipset for reliable, plug-and-play connectivity across Windows and Mac platforms. Designed for industrial environments, it offers robust 600W surge and 15KV ESD protection to safeguard sensitive equipment. Supporting half and full duplex communication modes, it enables seamless integration of up to 32 serial devices over long distances, making it an essential tool for automation, monitoring, and legacy system management. ## Description DTECH USB RS485 adapter cable devices with FTDI chipset allows you to connect RS422 or RS485 serial devices to your computer via USB. By taking advantage of the USB bus, the USB/RS485 Serial converter makes it easier than ever to add RS-422 / RS-485 serial ports and serial devices to your system. DTECH Industrial USB to RS 422 / 485 Serial Adaptor Cord is a high quality industrial USB plug and play dongle designed to instantly add a RS485/RS422 port to your PC or Mac system via USB interface. USB to Serial cable RS485 is the ideal solution for connecting industrial devices such as laboratory testing and measuring equipment, monitoring devices, material handling equipment, and many more devices where mission critical applications are required. Specific RS422/RS485 TIA/EIA Standard USB2.0; compatible USB 1.1 Baud rate: 300bps to 921Kbps Indication LED's for Power, TX and RX No IRQs, DMA or required; No IRQ Conflicts Automatic send data control. Auto detection of data speed; Zero delay automatic transmission Automatic hand-shaking protocol supported Built-in static and surge protection up to 600W; 15KV ESD protection (Electro-Static discharge)Serial to USB adapter supports multiple terminals up to 32 RS-485 or RS-422 devicesup to 1200 meters for RS-485/422 end Working modes: asynchronous; point-to-point or point-to-multipoint; 2-line half duplex and 4-line full duplex. Application fields: Factory automation system, Distributed control system, Other 485/422 serial device wireless network, LED INFO display equipments, PLC control and management, SCADA, measuring instruments and monitoring system, CNC management, Medical treatment/medication automation, Building automation, Check on work attendance/ Human resource management. Original Packing Included 1 x DTECH USB to RS-422 RS-485 Adapter Cable 4ftTerminal Board 1 x CD software driver Review: Works great (ignore other people’s comments) - I’m using rs422 to connect to a very old legacy system. The other comments where people say this doesn’t work are wrong. It’s their lack of understanding how computers and electronics work. Firstly, the driver is ftdi. By default this should work plug and play with windows 10+ and Linux. If it doesn’t, just download the correct ftdi driver for your operating system. Second, people saying the signal is too weak and such… ugh, it’s because they don’t have the gnd connected. I get it, the schematics don’t display a common gnd, so people don’t bother. But you need a common gnd on all electronics. It’s how each device can reference voltage! The schematics didn’t display it because it’s common sense. Review: Correcto con respecto al precio - Correcto con respecto al precio ## Features - USB to RS485/RS422 converter It easily lets you connect RS485 or RS422 device directly to your Laptop PC computer USB port - RS485 Serial to USB adapter is ideal for industrial environment -provides 600w surge protection and 15KV ESD isolated protection on signal pins to protect costly and often sensitive control equipment anst electrical damage - USB to RS485 cable adapter is with high performance quality processor chip (FTDI-chipset FT232) and I/O auto conversion circuitry which makes RS 485 to USB convertor one of the most reliable dongle on the market - 4ft USB serial RS-485 RS-422 adapter cable supports windows 11 10 8 7, Mac and more; plug-and-play, No power supply needed - There are no IRQ and COM port conflicts, since the port do not require any additional IRQ, DMA, memory as resources on the system; RS485 for Half duplex and RS422 for Full duplex communication ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0195ZD3P4 | | Brand | DTECH | | Color | Black | | Colour | Black | | Compatible Devices | Laptop | | Compatible devices | Laptop | | Connector Type | DIN | | Connector type | DIN | | Customer Reviews | 4.6 out of 5 stars 227 Reviews | | Finish | Matte | | Item Dimensions | 22.6 x 12.7 x 5.3 centimeters | | Item Weight | 0.14 Kilograms | | Item dimensions L x W x H | 22.6 x 12.7 x 5.3 centimeters | | Manufacturer | DTech | | Mfr Part Number | 8541672853 | | Model Number | 8541672853 | | Number of Ports | 2 | | Package Quantity | 1 | | Power Plug Type | No Plug | | Specific Uses For Product | communication, computer to modem, data capture | | Specific uses for product | communication, computer to modem, data capture | | UPC | 600649504312 | | Unit Count | 1 Count | | Warranty Type | 1 year warranty | ## Product Details - **Color:** Black - **Connector Type:** USB to Serial RS-422 RS-485 - **Item dimensions L x W x H:** 8.9 x 5 x 2.1 inches - **Specific Uses For Product:** communication, computer to modem, data capture ## Images ![4 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10, 8, 7, XP and Mac - Image 1](https://m.media-amazon.com/images/I/61c+gGvQvnL.jpg) ## Questions & Answers **Q: Can a hdmi output device be entered in a tv 9 pin input?** A: The USB to serial adapter here is for RS485/RS422 protocol data communication application, if there is a RS232C protocol interface in your TV (RS-232 does not transmit audio and video signals, but is used specifically for control of devices in an AV system), and you are trying to use computer to control the TV, you may check this link (USB to serial RS232 cable with FTDI chip): http://www.amazon.com/dp/B00H8HDS2K **Q: Can this device actually achieve 921600 baud? I've had devices that claimed they would but cant.** A: This DTECH USB to RS485/422 Cable supports 921600 baud. (at 921600 bps, no more than 300 meters; 600 meters at 38400 bps; 1200 meters at 6900 bps) **Q: I have several scales with usb outputs, and i would like to connect them to plc with rs485 input. can i use this converter?** A: Yes, the USB RS485 adapter should work for you. If there is any issues, please feel free to contact us via the order. **Q: Can this adapter also support RS232?** A: No, this USB to serial adapter is for RS485 / RS422 protocol data communication. For USB to RS232 cable, please check this link for RS-232 protocol (FTDI chip, also has LED lights): https://www.amazon.com/dp/B0195ZD3P4?ref_=dpLink ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great (ignore other people’s comments) *by F***N on 25 November 2022* I’m using rs422 to connect to a very old legacy system. The other comments where people say this doesn’t work are wrong. It’s their lack of understanding how computers and electronics work. Firstly, the driver is ftdi. By default this should work plug and play with windows 10+ and Linux. If it doesn’t, just download the correct ftdi driver for your operating system. Second, people saying the signal is too weak and such… ugh, it’s because they don’t have the gnd connected. I get it, the schematics don’t display a common gnd, so people don’t bother. But you need a common gnd on all electronics. It’s how each device can reference voltage! The schematics didn’t display it because it’s common sense. ### ⭐⭐⭐⭐⭐ Correcto con respecto al precio *by M***A on 19 May 2025* Correcto con respecto al precio ### ⭐ Product is 3 time overpriced , the 4 feet cable length is miss information feel cheated *by R***I on 19 October 2024* Feel cheated , overpriced , cable lentht is not 4 feet.price not worth ## Frequently Bought Together - DTECH USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet) - USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection - Gearmo USB to RS-422/485 Converter FTDI CHIP w/Terminals --- ## 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.hr/products/358055061-4-feet-usb-to-rs422-rs485-serial-port-converter-adapter](https://www.desertcart.hr/products/358055061-4-feet-usb-to-rs422-rs485-serial-port-converter-adapter) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-10*