{"product_id":"allen-bradley-1756-cn2rxt-controlnet-redundant-bridge-module","title":"Allen-Bradley 1756-CN2RXT ControlNet Redundant Bridge Module","description":"\u003cp\u003eEngineered by \u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e, a Rockwell Automation brand, the \u003cstrong\u003e1756-CN2RXT\u003c\/strong\u003e excels in tough settings. This ControlLogix-XT module ensures fast, reliable ControlNet bridging with top priority for I\/O tasks. It thrives in corrosive, extreme heat or cold spaces while delivering 128 Logix links and solid redundancy.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eOverview of Allen-Bradley 1756-CN2RXT Redundant Media Bridge\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart of the \u003cstrong\u003eControlLogix\u003c\/strong\u003e series, it links controllers and I\/O with zero messaging delay.\u003c\/li\u003e\n\u003cli\u003eOperates in \u003cspan style=\"color: #d9534f;\"\u003e-25…70 °C (-13…158 °F)\u003c\/span\u003e for harsh, corrosive zones.\u003c\/li\u003e\n\u003cli\u003eGives \u003cstrong\u003e1756-CN2RXT\u003c\/strong\u003e users 131 max links, reserving 3 for nonstop redundant control safety.\u003c\/li\u003e\n\u003cli\u003eServes up to \u003cspan style=\"color: #0275d8;\"\u003e99 nodes\u003c\/span\u003e on a 5 Mbps ControlNet link reliably.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications – Brand: Allen-Bradley | Model: 1756-CN2RXT\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage: \u003cspan style=\"color: #5cb85c;\"\u003e5.1 V DC\u003c\/span\u003e; Current: \u003cspan style=\"color: #5cb85c;\"\u003e1.3 A\u003c\/span\u003e; Power: \u003cspan style=\"color: #5cb85c;\"\u003e6.6 W\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eCommunication rate: \u003cspan style=\"color: #0275d8;\"\u003e5 Mbps\u003c\/span\u003e; Logix links: \u003cspan style=\"color: #0275d8;\"\u003e128\u003c\/span\u003e; Max links: \u003cspan style=\"color: #0275d8;\"\u003e131\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eSupports \u003cspan style=\"color: #0275d8;\"\u003e99 nodes\u003c\/span\u003e; Slot width: 1; Fits any chassis slot location.\u003c\/li\u003e\n\u003cli\u003eWeight: \u003cspan style=\"color: #f0ad4e;\"\u003e0.64 lbs (0.293 kg)\u003c\/span\u003e; UPC: 10612598554833.\u003c\/li\u003e\n\u003cli\u003eIsolation: \u003cspan style=\"color: #d9534f;\"\u003e30V continuous\u003c\/span\u003e, basic insulation ensures safe signal paths.\u003c\/li\u003e\n\u003cli\u003ePorts: One USB 1.1 full-speed (\u003cspan style=\"color: #0275d8;\"\u003e12 Mbps\u003c\/span\u003e) and two ControlNet BNC ports.\u003c\/li\u003e\n\u003cli\u003eUses \u003cstrong\u003e1786-RG6\u003c\/strong\u003e quad-shield RG6 coax cable for steady data flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFit \u003cstrong\u003e1756-CN2RXT\u003c\/strong\u003e into any slot of 1756-A4LXT, 1756-A5XT, 1756-A7XT, 1756-A7LXT chassis.\u003c\/li\u003e\n\u003cli\u003eMount module away from strong EMI sources to keep signals clear and accurate.\u003c\/li\u003e\n\u003cli\u003eConnect BNC ports using proper RG6 coax to reach full 5 Mbps speed.\u003c\/li\u003e\n\u003cli\u003eCheck power input matches 5.1 V DC spec to avoid startup or link faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne \u003cstrong\u003e1756-CN2RXT\u003c\/strong\u003e ControlNet redundant bridge module ready for setup.\u003c\/li\u003e\n\u003cli\u003eNo extra accessories listed; ensure you have RG6 cables and chassis beforehand.\u003c\/li\u003e\n\u003cli\u003eShips via FedEx, UPS, or DHL for swift, tracked delivery worldwide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can \u003cstrong\u003e1756-CN2RXT\u003c\/strong\u003e work in sub-zero industrial sites?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it runs safely from \u003cspan style=\"color: #d9534f;\"\u003e-25 °C\u003c\/span\u003e onward in harsh, wet, or corrosive zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How many ControlNet nodes can this module handle at once?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It supports up to \u003cspan style=\"color: #0275d8;\"\u003e99 nodes\u003c\/span\u003e with 131 total communication links.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does \u003cstrong\u003e1756-CN2RXT\u003c\/strong\u003e need special cables for ControlNet ports?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, use \u003cstrong\u003e1786-RG6\u003c\/strong\u003e quad-shield RG6 coax for stable 5 Mbps links.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51050296705156,"sku":"1756-CN2RXT","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1756-CN2RXT-1.jpg?v=1767788134","url":"https:\/\/www.etowonauto.com\/nb\/products\/allen-bradley-1756-cn2rxt-controlnet-redundant-bridge-module","provider":"Etowon Auto","version":"1.0","type":"link"}