eXmux® Family

Communications Solutions

RFL's communications solutions are engineered to modernize the substation’s infrastructure. Each comms platform is designed to transport mission-critical signals reliably between substations and control centers. Whether packet-based or legacy TDM, our solutions allow power utilities to deliver power safely, reliably and cost effectively, ensuring power system protection signals arrive on time, every time.

eXmux® 4500 Multi-Service Access & Transport Platform

The eXmux® 4500 Multi-Service Access & Transport (MSAT) Platform is designed to address the challenges of network IP migration and infrastructure upgrades; allowing utilities to move forward in modernizing substations without the worry of future integration or legacy applications.

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RFL eXmux® 4500

Meet the eXmux® 4500

For additional eXmux® 4500 product benefit videos, click on the links below.

IMPACT Award Winner at UTC 2019

  • Winner, Hardware: Hubbell Power Systems (for their eXmux® 4500 Access & Transport System)

RFL at UTC 2019

“Congratulations to all of our winners this year,” said Outgoing UTC Chairman of the Board Roger Bryant. “These awards go to the heart of what makes UTC so special—the people, the utilities, and the vendors who make up our membership. Every day our members work hard to support reliable, resilient, and affordable energy and water services to people and businesses. It is an honor to recognize a select few for their service.”

See the full press release

eXmux® 3501M - IP Access Multiplexer

The RFL eXmux® 3501 is a substation-hardened IP Access Multiplexer engineered for mission critical infrastructures to transport voice, serial, relaying protection, SCADA, video and Ethernet data communications over Ethernet/IP or MPLS networks, providing the flexibility of backward compatibility with legacy devices and forward compatibility with Ethernet devices on the same communications platform.


RFL Connect

Past CONNECT Course Archives

Download Videos

Online Training Courses In
Networking, Communications,
Protection & Cyber Security

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Utility industry and electric utility white papers by RFL providing communications and protection solutions to today's challenges, such as migrating data from leased lines.

Helping Utilities Move Forward in IP Migration

Multipoint-to-Multipoint Protective Relaying Signaling Using Digital Communications and Built-In Logic

Read our Electric Utility White Papers

Find RFL and Hubbell at an upcoming trade show in your area!

See Upcoming Trade Shows

RFL offers a 24-hour emergency service program that provides specialized service anytime, anywhere in the world. All of RFL's products are engineered and manufactured to the highest-quality standards and are supported by a team of highly trained customer service engineers.

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