Product Highlights
  • 10/100Base-TX to 100Base-FX Mini Converter
  • Automatic MDI/MDI-X
  • Auto-negotiation, NWay support on RJ-45
  • LEDs for at-a-glance device status
  • Operating temperatures 0°C~50°C (32°F~122°F)
  • 0°C-50°C
  • Auto Negotiation
  • Auto MDI/MDIX
  • Plug & Play
  • Wall Mount

NXF-757 is a 10/100Base-TX to 100Base-FX mini Copper to the Fiber media converter. It's an inexpensive and minimal solution with automatic MDI/MDI-X and Auto-negotiation, NWay support on RJ-45. The device uses LED signaling to inform users of its transmission activity. The converter is completely transparent when connected, meaning that network performance remains unchanged. The device is available in single- and multi-mode interface with data transmission delivery at distances of 20/40/80km depending on request. For added flexibility, this media converter is available with ST, SC, and WDM Simplex SC connectors. This media converter operates between temperatures of 0°C~50°C (32°F~122°F). The device has a standard size to fit on an in-rack solution with multiple media converters.


Rugged and Robust Design
Responding to the issues of consistent operation, the NXF-757 is built in a rugged and durable housing. Enclosed in IP30-grade casing, the media converter provides superior protection from severe temperatures extending from 0°C~50°C (32°F~122°F). Capable of DIN-Rail mounting, the device is simple to install easy to fit in industrial environments that have limited spaces. The NXF-757 also features a DC jack with a locking function to ensure continuous power connectivity.

Economic and Space-saving Design
Responding to the issues of design in mission-critical environments, the NXF-757 is designed in a space-saving, compact and slim housing. This standalone low-cost media converter provides transparent conversion Copper to Fiber in a small enclosure. The compact size allows the converters to be wall-mounted to save space. The NXF-757 is extremely simple to install and operate, and thus saves you valuable time and money.

Easy Plug-and-play Operation
Being a compact, lightweight media converter, the NXF-757 is an easy-to-setup and ready-to-use solution for dispersed or emerging networks. Featuring Auto-MDI/MDIX and Auto-negotiation, the media converter automatically detects and configures the best mode of operation over a link. This eliminates the need for user setup or configuration procedures and simplifies installation. And once installed the media converter operates automatically.



IEEE 802.3


IEEE 802.3u




1 x 100/1000BASE-T (RJ45)

1 x 100/1000BASE-X (SC/ST)

LED Panel



Input Voltage

12V DC

Power Consumption


Connector Type

DC Jack

Mechanical and Environment





Operating temperature

0ºC~50ºC (32°F~122°F)

Storage temperature

-25ºC~70ºC (-13°F~158°F)

Operating humidity

5 to 95% RH (non-condensing)

Storage humidity

5 to 95% RH (non-condensing)


180 g (0.4 lb)

Dimensions (W x H x D)

86.2 x 23.4 x 59.4 mm (3.39 x 0.92 x 2.34 in)


Ordering Information

Model Description
NXF-757MC 10/100Base-TX to 100Base-FX (SC) Multi-mode Mini Media Converter, 2km
NXF-757MT 10/100Base-TX to 100Base-FX (ST) Multimode Mini Media Converter, 2km
NXF-757SC 10/100Base-TX to 100Base-FX (SC) single mode 20km Mini Media Converter, 30km
NXF-757SC-60 10/100Base-TX to 100Base-FX (SC) single mode 60km Mini Media Converter
NXF-757TS-20 10/100Base-TX to 100Base-FX (WDM; TX 1310nm/RX 1550nm) single mode 20km Mini Media Converter Transmitter
NXF-757RS-20 10/100Base-TX to 100Base-FX (WDM; TX 1550nm/RX 1310nm) single mode 20km Mini Media Converter Receiver


*Specifications subject to change without prior notice.

File Name Release Date Download
NXF-757 Datasheet 2021-09-02
NXF-757 Photo 2021-09-02




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