{"product_id":"foxboro-a4h124-24fx-p0973jn-i-a-series-managed-ethernet-switch","title":"Foxboro A4H124-24FX P0973JN I\/A Series Managed Ethernet Switch","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro A4H124-24FX\u003c\/strong\u003e (\u003cstrong\u003eP0973JN\u003c\/strong\u003e) serves as a high-density, managed industrial Ethernet switch designed for the backbone of \u003cstrong\u003eI\/A Series\u003c\/strong\u003e and \u003cstrong\u003eFoxboro Evo\u003c\/strong\u003e Distributed Control Systems. This \u003cstrong\u003e100% Brand New\u003c\/strong\u003e original unit provides 24 dedicated 100Base-FX fiber optic ports, facilitating secure, long-distance data transmission across expansive industrial plants. By utilizing fiber optics instead of copper, the \u003cstrong\u003eA4H124-24FX\u003c\/strong\u003e eliminates electromagnetic interference (EMI) risks and ground loops, ensuring deterministic communication between control stations, I\/O subsystems, and plant-wide networks.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA4H124-24FX \/ \u003cstrong\u003eP0973JN\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eManaged Industrial Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 x 100Base-FX Fiber Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 Mbps per port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1U Rack-mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManagement Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVLAN support, Traffic Prioritization, SNMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptical isolation (Intrinsic EMI immunity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard industrial AC\/DC options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRated for industrial control room environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal EMI\/RFI Immunity:\u003c\/strong\u003e The 24-port fiber architecture provides an inherent defense against electrical noise. In high-voltage environments like power substations or heavy manufacturing floors, the \u003cstrong\u003eP0973JN\u003c\/strong\u003e maintains signal integrity where traditional copper switches would suffer from data corruption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Traffic Management:\u003c\/strong\u003e As a managed switch, the \u003cstrong\u003eA4H124-24FX\u003c\/strong\u003e allows engineers to configure Virtual LANs (VLANs) and Quality of Service (QoS) parameters. This ensures that mission-critical control traffic receives priority over general data, preventing network congestion during high-load process events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Network Reach:\u003c\/strong\u003e 100Base-FX fiber ports support significantly longer cabling distances than standard Cat6 copper. This enables the integration of remote I\/O racks and distant operator stations into a single, cohesive DCS network without the need for intermediate repeaters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged 1U Integration:\u003c\/strong\u003e The compact 1U rackmount form factor fits standard 19-inch control cabinets. Its professional-grade construction withstands the continuous vibration and thermal cycling common in industrial rack installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless I\/A Series Compatibility:\u003c\/strong\u003e Foxboro specifically engineered the \u003cstrong\u003eP0973JN\u003c\/strong\u003e for the I\/A Series ecosystem. It supports the specific redundancy protocols and multicast traffic patterns required by Foxboro controllers and Mesh network architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this switch require specific SFP modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eA4H124-24FX (P0973JN)\u003c\/strong\u003e features 24 fixed 100Base-FX ports. You do not need to purchase separate transceivers; however, ensure your fiber patch cables match the connector type (typically SC or ST) specified for this model.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I manage this switch remotely?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The managed firmware supports standard industrial protocols such as SNMP, allowing your IT or OT team to monitor port status, bandwidth utilization, and network health from a central engineering station.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit suitable for hazardous area installations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the switch handles fiber signals (which are inherently safe), the unit itself must be installed in a suitable enclosure or a non-hazardous control room rack according to local electrical codes and the product's specific certification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43102965563482,"sku":"A4H124-24FX P0973JN","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/304_add3ad5b-da08-489e-b360-a95ee5cd80c3.jpg?v=1774317917","url":"https:\/\/www.spareoil.com\/products\/foxboro-a4h124-24fx-p0973jn-i-a-series-managed-ethernet-switch","provider":"SpareOil Automation","version":"1.0","type":"link"}