{"product_id":"a4h124-24fx-foxboro-managed-100base-fx-industrial-switch","title":"A4H124-24FX Foxboro | Managed 100Base-FX Industrial Switch","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFoxboro A4H124-24FX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as the high-density communication backbone for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eI\/A Series\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDistributed Control System (DCS). This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal managed Ethernet switch provides 24 dedicated 100Base-FX fiber ports, facilitating secure and interference-free data transmission across plant-wide networks. By utilizing optical fiber, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4H124-24FX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeliminates risks associated with electromagnetic interference (EMI) and ground potential differences. It links critical controllers, operator workstations, and I\/O subsystems in large-scale oil \u0026amp; gas, petrochemical, and power generation facilities.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eA4H124-24FX\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eManaged Industrial Ethernet Switch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePort Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 × 100Base-FX Fiber Ports\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 Mbps per port (Full Duplex)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1U Rack-mountable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Management\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupport for VLANs, Traffic Prioritization, and SNMP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Architecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull Optical Isolation (EMI\/RFI Immune)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRuggedized for Industrial Use\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.5 kg (7.7 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 24-port fiber architecture provides native immunity to electrical noise. In facilities with heavy rotating machinery or high-voltage switchgear, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4H124-24FX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emaintains deterministic communication where standard copper switches would fail due to data corruption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Traffic Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced managed switch functions allow engineers to configure Virtual LANs (VLANs) and Quality of Service (QoS). This ensures that time-critical process control data takes priority over general maintenance traffic, preventing latency during plant upsets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Reach for Large Facilities:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100Base-FX fiber supports distances far exceeding the 100-meter limit of copper Ethernet. This allows the integration of remote satellite equipment rooms and distant operator stations into a unified DCS mesh network.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Industrial Construction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike commercial-grade switches, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4H124-24FX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes high-MTBF components and a fanless or ruggedized cooling design to survive continuous operation in unconditioned control cabinets and high-vibration environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless I\/A Series Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe switch firmware fully supports Foxboro industrial Ethernet standards, enabling rapid deployment within existing DCS architectures without compatibility issues or specialized third-party drivers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the A4H124-24FX support redundant power inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStandard industrial configurations for this switch series often support redundant 24V DC or dual AC power inputs to ensure network visibility remains intact even during a primary power failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich fiber connector type does this module require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4H124-24FX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etypically utilizes standard industrial fiber connectors (such as SC or ST). Always verify your existing fiber patch cable terminations before final installation to ensure optical alignment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I configure the management features?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou can access management functions via a console port or a secure web interface. Proper setup of VLANs and redundancy protocols is recommended during the commissioning phase to maximize network reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43103389581402,"sku":"A4H124-24FX","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/316.1_6c892d7e-79c9-4546-a775-3653084d732b.jpg?v=1774324103","url":"https:\/\/www.spareoil.com\/products\/a4h124-24fx-foxboro-managed-100base-fx-industrial-switch","provider":"SpareOil Automation","version":"1.0","type":"link"}