{"product_id":"comnet-cnfe3fx1tx2c4dx-m-contact-closure-duplex","title":"Comnet CNFE3FX1TX2C4DX\/M Contact Closure Duplex","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COMNET CNFE3FX1TX2C4DX\/M is a contact closure duplex unit designed for network switching and routing applications. Contact closure devices transmit dry-contact signal states across fiber or copper network infrastructure, allowing remote sensing and control without direct electrical connection. This unit fits into the broader category of switches and routers and is typically installed by licensed low-voltage technicians or network infrastructure specialists working on commercial or industrial control systems.\u003c\/p\u003e\n\u003cp\u003eContact closure duplex devices are commonly deployed in commercial buildings, industrial facilities, and security or access-control installations where reliable signal transmission over distance is required. They are used when standard copper-wire runs are impractical or where ground-loop isolation between signal points is necessary. Installation typically involves integration with structured cabling or fiber backbone systems in these environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDuplex contact closure design supports bidirectional signal transmission\u003c\/li\u003e\n  \u003cli\u003eSuited for integration into switching and routing network infrastructure\u003c\/li\u003e\n  \u003cli\u003eDry-contact signal transmission provides electrical isolation between endpoints\u003c\/li\u003e\n  \u003cli\u003eSold as an individual unit (EA, quantity 1 per package)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct installation unit for contact closure duplex applications within commercial and industrial switching and routing network systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified low-voltage or network technician familiar with contact closure and fiber or copper transmission systems. De-energize all connected circuits before making or breaking connections. Consult applicable NEC low-voltage wiring guidelines and local codes prior to installation. Follow the manufacturer documentation for proper port assignment and signal polarity orientation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity Per Package\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Category\u003c\/strong\u003e: Switches and Routers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: COMNET\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: CNFE3FX1TX2C4DX\/M\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMNET","offers":[{"title":"Default Title","offer_id":51559712031026,"sku":"CNFE3FX1TX2C4DX\/M","price":2571.1,"currency_code":"USD","in_stock":true}],"url":"https:\/\/voomisupply.com\/products\/comnet-cnfe3fx1tx2c4dx-m-contact-closure-duplex","provider":"Voomi Supply","version":"1.0","type":"link"}