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M-FAST SFP-MM/LC EEC – Multimode Fast Ethernet SFP Transceiver by Hirschmann, a Belden Brand

The Hirschmann M-FAST SFP-MM/LC EEC is an industrial SFP fiberoptic Fast Ethernet transceiver for multimode fibre with an LC connector, extended temperature range of -40°C to +85°C, and a reach of up to 5000 m on 50/125 µm fibre at 100 Mbit/s. Designed for use in Hirschmann industrial switches with SFP slots, it draws just 1W from the host switch and delivers a Class 1 laser safe optical link. Available from Recab, your Nordic partner for Hirschmann SFP transceiver solutions.

manufacturer

Hirschmann

product model

943945001
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IEC 60825-1, RoHS Compliant

Overview

The Hirschmann M-FAST SFP-MM/LC EEC is an industrial SFP fiberoptic Fast Ethernet transceiver engineered for multimode fibre network segments in industrial environments where standard-temperature SFP modules are insufficient. The extended temperature range of -40°C to +85°C makes it compatible with the most demanding industrial switch deployments including outdoor cabinets, substations, and transportation infrastructure where ambient temperatures can fall far below the operating limits of commercial-grade transceivers. The transceiver operates at 100 Mbit/s with an LC duplex connector and achieves a reach of up to 5000 m on 50/125 µm multimode fibre with a link budget of 0 to 8 dB at 1310 nm, or up to 4000 m on 62.5/125 µm multimode fibre with a link budget of 0 to 11 dB, covering the majority of campus and industrial site fibre link distances. Powered directly by the host switch via the SFP slot at just 1W, the M-FAST SFP-MM/LC EEC integrates diagnostics for optical input and output power monitoring and transceiver temperature reporting. The IEC 60068-2-6 vibration and IEC 60068-2-27 shock ratings confirm its suitability for high-vibration industrial environments. With a laser safety rating of Class 1 per IEC 60825-1 and an extraordinary MTBF of 514 years, this transceiver is a low-maintenance, long-life fibre connectivity solution for engineers upgrading or expanding multimode fibre infrastructure in Hirschmann switch platforms. Available from Recab, your Nordic partner for Hirschmann SFP transceiver solutions.
Wide Temperature

Key highlights

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Features

  • Extended temperature range from -40°C to +85°C suits the most demanding industrial environments.
  • 100 Mbit/s Fast Ethernet over multimode fibre with LC duplex connector for standard installations.
  • Reach up to 5000 m on 50/125 µm and 4000 m on 62.5/125 µm multimode fibre.
  • IEC 60068-2-6 vibration and IEC 60068-2-27 shock ratings confirm suitability for high-vibration sites.
  • Optical input and output power diagnostics plus transceiver temperature monitoring are built in.
  • Class 1 laser safety per IEC 60825-1 with an extraordinary MTBF of 514 years at 25°C.

Specifications

Applications

  • Industrial switch multimode fibre links in outdoor substations and harsh environments
  • Campus and industrial site Fast Ethernet fibre connectivity on multimode infrastructure
  • Extended-temperature SFP replacement for industrial switches in cold climate deployments
  • Factory and process plant fibre segments requiring vibration-rated Fast Ethernet transceivers

Resources

Datasheet

https://recab.com/wp-content/uploads/2026/03/m-fast-sfp-mm-lc-eec-hirchmann-datasheet-1.pdf

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