{"product_id":"usb-to-rs485-rs422-convertor","title":"USB to RS485\/422 Convertor","description":"\u003cp style=\"text-align: center;\" class=\"MsoNormal\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S957b6bfef9b84be498f451165f96aa89R.jpg\"\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eUSB to RS-485\/RS-422 Converter UT-890A | FTDI Chip | Up to 921.6Kbps | Multi-System Plug-and-Play\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003ca href=\"https:\/\/www.yanjiiot.com\/about-yanji\/\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan class=\"15\"\u003eGet Quote Now | Free Technical Solution Consultation\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cu\u003e\u003cspan class=\"15\"\u003e\u003cspan style=\"font-family: 宋体;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/a\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eCommon Pain Points\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003eTraditional USB-to-RS-485\/422 converters often suffer from poor system compatibility (requiring manual driver installation), frequent data loss in noisy industrial environments, low transmission speeds, limited multi-device support, fragile or easily oxidized interfaces, manual handshake control causing software issues, complex wiring, short effective distance, and overall instability that hinders reliable industrial and remote communication.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eSolution \u0026amp; Core Features\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e1.Imported FTDI Industrial Chip — Uses genuine FTDI chipset with automatic data flow direction control, zero-delay transmit\/receive switching, no RTS\/DTR handshake needed, fully compatible with existing half-duplex software.\u003c\/p\u003e\n\u003cp\u003e2.High-Speed \u0026amp; Stable Transmission — Supports 300bps–921.6Kbps auto-detection, point-to-point and point-to-multipoint (up to 32 devices), excellent anti-interference performance.\u003c\/p\u003e\n\u003cp\u003e3.Robust Protection \u0026amp; Durability — ±15kV ESD protection + surge protection, gold-plated connectors for corrosion resistance, transparent shielded cable with magnetic ring, aluminum foil + braided mesh + all-tinned copper core for superior anti-interference and flexibility.\u003c\/p\u003e\n\u003cp\u003e4.True Plug-and-Play — Driver-free on Windows 8\/10\/11, auto-recognized on Linux\/Mac\/Android, hot-swappable, USB bus-powered (no external supply needed).\u003c\/p\u003e\n\u003cp\u003e5.Universal \u0026amp; User-Friendly Interface — USB-A to DB9 male + 5-position terminal block for easy wiring, supports RS-485 2-wire half-duplex and RS-422 4-wire full-duplex modes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"md\"\u003eParameter\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eUT-890A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eChipset\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eFTDI (industrial-grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eInterfaces\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eUSB-A male → DB9 male + 5-position terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eStandards\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eUSB 1.1\/2.0; EIA RS-485\/RS-422\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eBaud Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e300 – 921.6 Kbps (auto-detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eOperating Mode\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eAsynchronous; point-to-point \/ point-to-multipoint; RS-485 2-wire half-duplex \/ RS-422 4-wire full-duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eLoad Capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eUp to 32 RS-485\/422 devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eRS-485\/422 side: up to 1200 m (at 9600bps); USB side: ≤5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eProtection\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e±15kV ESD + surge protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eUSB bus-powered (no external power required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e-40°C ~ +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e5% ~ 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eApprox. 55 × 36 × 16 mm (main body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCable Length\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eApprox. 1.5 m (transparent shielded PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eSupported Systems\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eWindows 8\/10\/11\/2000\/XP\/Vista\/7\/8\/CE\/Mac\/Linux\/Android etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003eWidely used in industrial automation (equipment monitoring \u0026amp; PLC communication), security access control \u0026amp; camera linkage, smart home control, barcode printers\/tax machines\/CNC tools, parking\/highway toll systems, public transport POS \u0026amp; attendance, remote data acquisition, multi-device networks, and any industrial, commercial, or IoT scenario requiring stable, long-distance RS-485\/RS-422 bus extension from USB ports.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5\u003e\n\u003ca href=\"https:\/\/docs.yanjiiot.com\/products\/parts\/USB-to-RS485-422-Converter-Manual.html\"\u003e\u003cspan\u003e\u003cu\u003e\u003cspan class=\"15\"\u003eCheck the product specification sheet\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h5\u003e","brand":"YenGear Store","offers":[{"title":"1.5m","offer_id":48445759422706,"sku":"100007795:200660833;200007763:201336100","price":26.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/files\/Sac25dd6bc9cf4c809768af1879f611a48.webp?v=1766546364","url":"https:\/\/store.yengear.com\/products\/usb-to-rs485-rs422-convertor","provider":"YenGear Store","version":"1.0","type":"link"}