Product Description
The Allen-Bradley 1786-RPAB (also known as 1786-RPA/B) is a ControlNet modular repeater adapter that uses RG6 copper coax fiber. It extends network length, converts media between coax/copper and fiber, powers repeater modules, and enables ring, star, or point-to-point network topologies. It supports up to two 1786-RPFRXL/B or 1786-RPFRL modules, or up to four 1786-RPFS, 1786-RPCD, or 1786-RPFM modules. Requiring 24V DC input, it provides a maximum of 1.6A backplane output current at 5V DC. The 4x4x3 inch, 7-ounce adapter features ready/fault and data error status indicators.
Is Your Device Showing These Signs?
The Allen Bradley 1786-RPFRXL is commonly repaired for issues such as corrupted firmware requiring reprogramming, failed power supplies causing communication loss, and damaged communication ports preventing data transmission on the Data Highway Plus network. We address capacitor failures leading to instability, resolve backplane connector damage impacting module connectivity, and repair issues stemming from environmental factors like overheating or corrosion affecting component performance. Repair services include thorough diagnostics, component-level repair or replacement, firmware upgrades, and rigorous testing to ensure optimal functionality and network stability.
Technical specifications
The Allen-Bradley 1786-RPAB is a ControlNet repeater adapter that extends network length using RG6 coax copper fiber. It converts media, powers repeater modules, and supports various network topologies. It accepts different numbers of specific repeater modules and requires 24V DC input, providing 1.6A backplane output. The compact adapter also features status indicators.
Our Repair Process for the
1786-RPFRXL
Our repair process for the Allen Bradley 1786-RPFRXL begins with comprehensive diagnostics to pinpoint the root cause of the malfunction, whether it is corrupted firmware, a failed power supply, damaged communication ports, capacitor failures, backplane connector damage, or environmental degradation. We then proceed with component-level repair or replacement, addressing all identified issues with precision. Firmware is upgraded to the latest stable version, and the unit undergoes rigorous testing to guarantee full functionality and network stability before it is returned.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.

Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.

















