10 / 100M Ethernet to Fiber Optic Media Converter (Industrial / SingleMode / FC)


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The FBR-Ethernet-2 (SM / FC) is a single-mode (SM), rugged, industrial-grade 10 / 100M Ethernet to fiber optic media converter, which provides one channel for media conversion between 10 / 100BaseTX and 100BaseFX. Besides the capability of long distance data transmission and the large carrying capacity, fiber lines are inherently resistant to EMI / RFI, lightning, transient surges and ground loops; therefore, they are ideal for data communications surrounded by heavy electrical or radio interference. This industrial Ethernet-to-Fiber-Optic converter operates within a temperature range of -40ºF to 185ºF (-40ºC to 85ºC), and features 600W surge protection and 15kV ESD static protection. It features auto-negotiation for half or full-duplex and 10 or 100Mbps data rates, and supports MDI (straight-through) and MDIX (crossover) cables, therefore, no DIP switch, jumper settings or software drivers are required, making the unit a highly reliable and truly plug-and-play device. The FBR-Ethernet-2 (SM / SC) comes with SC connectors for fiber optic links and can extend the 10 / 100M Ethernet distance to 12.4 miles (20 km). Thanks to the professional and unique casing design, the product can be mounted directly on a wall, panel or DIN Rail, without a need of using any unsecured DIN-Rail or wall-mount brackets. A separate external power supply is included in the package.

CommFront's products quality is ensured by our ISO-9001 quality control system (Cert No. SG12/04213, strictly certified by SGS), and we back our high-quality products with a 5-year replacement warranty and a 30-day risk-free money-back guarantee.


  • Rugged industrial-grade 10 / 100M Ethernet to fiber optic converter.
  • Converts 10 or 100M Ethernet to Optical Fiber Signals and vice versa.
  • Transmits 10 / 100M Ethernet data over a long distance through fiber optic cables (single-mode: 12.4 miles or 20 km).
  • External 9 to 30V DC powered (included).
  • Industrial grade enclosed in a rugged, rustless ABS housing.
  • Direct DIN-Rail (Rack) or Wall / Panel mounting  (stackable).
  • Auto-negotiation of speed and duplex mode on TX port.
  • Auto-MDIX on TX port.
  • Store-and-forward mechanism.
  • LED indications.
  • Single mode with FC connectors.
  • Supports a wide range of fiber optic cables.
  • Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC).
  • Built-in 600W surge protection, 15kV static protection and circuit protection.
  • Surface Mount Technology manufactured to RoHS and ISO-9001 standards.
  • Safety: Strictly certified by TUV (Cert No. SG-CE-100005; SG-FCC-100002).
  • 5-year manufacturer's warranty.


Part Number: FBR-Ethernet-2
Compatibility: IEEE802.3 10Base-T; IEEE802.3u 100Base-TX and 100Base-FX
Power Source: 9 to 30V DC (External AC to DC power adapter included)
External AC/DC Power Adapter: 9V DC / 500mA (Input: 100~240V AC 50/60Hz, US type A plug)
Features: Auto-negotiation for half / full-duplex and 10 / 100M on TX port; Auto-MDIX on TX port
Switching Method: Store-and-forward
Speed: 10BaseT: 10 / 20Mbps for half / full-duplex;
100BaseT: 100 / 200Mbps for half / full-duplex
Wavelength: 1310nm
Output Power (Fiber): Single-Mode: -8dBm(Min); -7dBm(Typical); -5dBm(Max)
Multi-Mode: -15dBm(Min); -10dBm(Typical); -8dBm(Max)
Sensitivity (Fiber): Single-Mode: -35dBm; Multi-Mode: -34dBm
FO Connector Type: PC/UPC
Usable Fiber Optic Cables: Single-mode: 8.3 / 125, 8.7 / 125, 9 / 125, 10 / 125µm
Multi-mode: 50 / 125, 62.5 / 125µm (supports OM1OM2, OM3, and OM4)
Distance (Ethernet): 10BaseT: Cat. 3, 4, 5 up to 328ft (100m);
100BaseT: Cat. 5 up to 328ft (100m)
Distance (Fiber Lines): Single-mode: 12.4 miles (20km);
Multi-mode: 3 miles (5 km)
Connectors (Ethernet/Power): RJ45 (Female) / Terminal Block (9-way)
Connectors (Fiber Links): 2x ST, 2x SC or 2x FC Connector
Surge protection: 600W
Electro-Static Discharge (ESD): Up to 15kV
Dimensions (H x W x D): ST: 4.9 x 2.9 x 1.3 in (125 x 73 x 33 mm)
SC: 4.7 x 2.9 x 1.3 in (120 x 73 x 33 mm)
FC: 4.6 x 2.9 x 1.3 in (117 x 73 x 33 mm)
Weight: ST: 4.6 oz (130 g) / SC: 4.6 oz (129 g) / FC: 4.6 oz (129 g)
Operating Temperature: -40ºF to 185ºF (-40ºC to 85ºC)
Operating Humidity: Up to 90% RH (no condensation)





CommFront products are strictly certified by SGS and/or TUV - the Nationally Recognized Testing Laboratories [NRTLs] in North America (approved by OSHA) and the Notified Bodies in the European Union. Learn More




CommFront products are designed and manufactured to ISO 9001 standards. Our quality control system is strictly certified by SGS (Cert No. SG12/04213). Learn More




CommFront products have been proven to be reliable. We back our high-quality products with a 5-year replacement warranty and a 30-day risk-free money-back guarantee. Learn More

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