{"product_id":"allen-bradley-1756-rmc3-controllogix-3-meter-redundancy-module-fiber-optic-cable","title":"Allen-Bradley 1756-RMC3 ControlLogix 3-Meter Redundancy Module Fiber Optic Cable","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-RMC3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the critical high-speed data link for ControlLogix redundancy systems. This 3-meter (9.84 feet) fiber optic cable connects two 1756-RM or 1756-RM2 redundancy modules, enabling real-time state synchronization between primary and secondary controller chassis. It facilitates the \"bumpless\" switchover required for mission-critical processes where even milliseconds of downtime result in catastrophic production loss. We supply this cable in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, ensuring maximum light transmission efficiency and signal integrity for your redundant architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\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\u003eSpecification 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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-RMC3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCable Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFiber Optic (Redundancy Module Cable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 Meters (9.84 feet)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWavelength\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1300 nm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTransmission Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 1000 Mbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1\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\u003e0.25 lbs (0.11 kg)\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\u003e0 to 60 °C (32 to 140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCore Size Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptimized for 1756-RM\/RM2 Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1756-RMC3 solves the latency and interference challenges inherent in high-availability industrial networking:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eImmunity to Electromagnetic Interference (EMI):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe fiber optic core eliminates electrical noise pick-up from nearby high-voltage motor leads or variable frequency drives (VFDs). This ensures that the synchronization signal remains clean, preventing accidental or \"nuisance\" chassis switchovers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Bandwidth Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupporting transmission speeds near 1000 Mbps, this cable handles the massive data volume required to mirror the memory of high-capacity L7 and L8 processors. It keeps the secondary controller in a \"ready\" state with zero data lag.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimal 3-Meter Reach:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3-meter length provides the necessary slack for mounting redundant chassis in separate enclosures or across wide 19-inch racks. This physical separation protects the backup system from localized thermal events or mechanical damage affecting the primary rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow-Attenuation 1300nm Wavelength:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe cable utilizes the 1300nm wavelength to minimize signal loss over the link. This precise optical tuning ensures that the redundancy modules maintain a rock-solid heartbeat connection without the need for signal repeaters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial-Grade Durability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDespite its high-sensitivity optical core, the 1756-RMC3 features a ruggedized jacket that resists the vibration and temperature fluctuations common in heavy manufacturing environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1756-RMC3 with 1756-RM2 modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1756-RMC3 is fully compatible with both the legacy 1756-RM and the modern 1756-RM2 redundancy modules. It provides the standard physical interface required for the synchronization ports on these modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify the \"Brand New\" condition of this fiber cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee that every 1756-RMC3 arrives in its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoriginal Allen-Bradley factory packaging with intact security seals\u003c\/strong\u003e. Every cable carries a unique UPC (612598560851) for full manufacturer traceability, confirming the unit has never been installed or stressed in a field environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the minimum bend radius for this cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the cable is flexible, you must avoid sharp kinks. Adhere to standard fiber optic installation practices by maintaining a bend radius of at least 2 inches (50mm). Sharp bends can fracture the fiber core or cause excessive light attenuation, leading to synchronization errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable available in other lengths?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, Allen-Bradley offers the RMC series in various lengths, such as the 1-meter (1756-RMC1) or 10-meter (1756-RMC10) versions. The 1756-RMC3 is the most common choice for adjacent-cabinet or side-by-side rack installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53202078335160,"sku":"1756-RMC3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-RMC3.jpg?v=1774949995","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-rmc3-controllogix-3-meter-redundancy-module-fiber-optic-cable","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}