{"product_id":"bb-smartworx-bb-uso9ml4-usb-rs422-485-converter","title":"B+B SmartWorx BB-USO9ML4 USB to RS-422\/485 Converter","description":"\u003cdiv class=\"product-content\"\u003e\n\u003csection class=\"who-its-for\"\u003e\u003ch1\u003eUSB to RS-422\/485 Isolated Converter with DB9 Male Connector\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eBB-USO9ML4 USB to RS-422\/485 converter\u003c\/strong\u003e is engineered for industrial automation professionals, system integrators, and IT technicians who need reliable serial communication on modern USB-only computers. This \u003cstrong\u003eisolated RS-422\/485 converter\u003c\/strong\u003e eliminates the need for legacy serial ports while maintaining 2 kV galvanic isolation to protect sensitive equipment from ground loops and electrical noise. Whether you're connecting legacy industrial devices, PLC systems, or SCADA networks to contemporary PCs, this \u003cstrong\u003eDB9 male converter\u003c\/strong\u003e delivers enterprise-grade performance in a compact form factor. Bus-powered operation and plug-and-play USB 2.0 connectivity make it the ideal solution for field service, maintenance, and integration projects.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"key-features\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2 kV galvanic isolation protects equipment from electrical interference and ground loops\u003c\/li\u003e\n\u003cli\u003eSupports 2-wire RS-485 and 4-wire RS-422\/485 communication modes\u003c\/li\u003e\n\u003cli\u003eDB9 male serial connector for direct legacy device integration\u003c\/li\u003e\n\u003cli\u003eHigh-retention USB 2.0 Type B female connector ensures secure connections\u003c\/li\u003e\n\u003cli\u003eBus-powered operation—no external power supply required\u003c\/li\u003e\n\u003cli\u003eSerial data rates up to 460.8 Kbps for real-time industrial applications\u003c\/li\u003e\n\u003cli\u003eLED indicators for transmit and receive activity monitoring\u003c\/li\u003e\n\u003cli\u003eCompact design fits tight installation spaces\u003c\/li\u003e\n\u003cli\u003ePlug-and-play USB connectivity with standard driver support\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"technical-specs\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eB+B SmartWorx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eBB-USO9ML4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eUSB to RS-422\/485 Isolated Converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Level\u003c\/td\u003e\n\u003ctd\u003e2 kV galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Connector\u003c\/td\u003e\n\u003ctd\u003eDB9 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Connector\u003c\/td\u003e\n\u003ctd\u003eType B female, high-retention\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Modes\u003c\/td\u003e\n\u003ctd\u003e2-wire RS-485, 4-wire RS-422\/485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Data Rate\u003c\/td\u003e\n\u003ctd\u003e460.8 Kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eBus-powered from USB host\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003eLED transmit and receive activity lights\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Standard\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"faq\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is a USB to RS-422\/485 converter used for?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003eUSB to RS-422\/485 converter\u003c\/strong\u003e enables modern computers without legacy serial ports to communicate with industrial equipment, PLCs, sensors, and SCADA systems that use RS-422 or RS-485 serial protocols. The BB-USO9ML4 adds this critical connectivity to USB-only PCs instantly.\u003c\/p\u003e\n\u003ch3\u003eWhy is 2 kV isolation important in an isolated RS-485 converter?\u003c\/h3\u003e\n\u003cp\u003eGalvanic isolation prevents ground loop noise and electrical interference from damaging sensitive computer equipment or corrupting data. The 2 kV isolation in this \u003cstrong\u003eisolated converter\u003c\/strong\u003e protects your PC and industrial devices in harsh electrical environments common in manufacturing and automation facilities.\u003c\/p\u003e\n\u003ch3\u003eCan the BB-USO9ML4 work with both RS-422 and RS-485 devices?\u003c\/h3\u003e\n\u003cp\u003eYes. This \u003cstrong\u003eRS-422\/485 converter\u003c\/strong\u003e supports both 2-wire RS-485 and 4-wire RS-422\/485 communication modes, making it compatible with a wide range of industrial serial devices and legacy equipment.\u003c\/p\u003e\n\u003ch3\u003eIs external power required for the BB-USO9ML4?\u003c\/h3\u003e\n\u003cp\u003eNo. The converter is bus-powered directly from the USB host, eliminating the need for external power supplies and simplifying installation in field and mobile applications.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"B+B SMARTWORX","offers":[{"title":"Default Title","offer_id":41637511233611,"sku":"BB-USO9ML4","price":233.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.tecisoft.ca\/products\/bb-smartworx-bb-uso9ml4-usb-rs422-485-converter","provider":"TeciSoft","version":"1.0","type":"link"}