Electrical to Optical Converters and Fiber Service Unit Products

RFL's Electrical to Optical Converters and Fiber Service Unit products are designed to perform a multitude of applications, and can perform in basic to the most-complex system configurations. Click below to explore our product offerings.

SHDSL Fiber Service Unit

NEW - SHDSL Fiber Service Unit

The new SHDSL-FSU (Symmetric High bitrate DSL Fiber Service Unit) is standalone device that serves as a media converter between electrical ITU-T G991.2 SHDSL signals and optical IEEE C37.94 fiber protocol signals. It is designed to enable modern C37.94 equipped application devices to communicate over legacy copper pilot wire infrastructure.


Dual Channel C37.94-to-T1 Fiber Service Unit

HPS/RFL is proud to introduce the new C37.94-to-T1 Fiber Service Unit. The new C37.94-to-T1 FSU is designed to convert any application devices with standard IEEE C37.94 compliant Short-Haul Fiber signals to an electrical T1 signal. The FSU allows for the conversion of up to two C37.94 output devices. The C37.94 fiber interface comes also with a non-standard Single-mode LED as an option for longer distances.


Fiber Service Unit – T1/E1 and C37.94

RFL offers two types Fiber Service Unit (FSU) products for substation or industrial applications, including one for protective re-laying that complies to the IEEE C37.94 standard and another for T1/E1 applications.


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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.

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

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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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