USB to Multi-Mode Fiber Optic Converter
ST Fiber Connectors
35mm DIN Rail Mounting

The USB Fiber-Optic Link is a simple to use, plug-and-play, USB to Multi-Mode Fiber Optic converter. When connected to a 101-0079 RS-485 Fiber-Optic Link the maximum RS-485 communications distance can be extended up to 4 km (2.5 miles) in a Point-to-Point transmission using a wide range of Multi-Mode Fiber Optic cables such as 50/125um or 62.5/125um.

The Fiber-Optic Link converter provides a simple, interface between a PC or laptop computer with a USB port and fiber optic devices.

Fiber Optic transmission offers immunity to radio and electrical interference such as EMI/RFI, transient surges, and ground loops.

The Fiber-Optic Link is equipped with an industry standard 35mm DIN rail. Allowing the converter to be quickly installed in your equipment rack, along with other DIN mounted equipment. 


  • USB 2.0 Virtual Serial Port

  • Supports BAUD rates up to 115,200

  • Fiber optic range of up to 4 km (2.5 mi)

  • 820nm wavelength technology

  • Point-to-Point transmission

  • Plug-and-Play, no switches or jumpers

  • Powered by USB port - no external power supply needed

  • Wide operating temperature range 

  • -30 to 60°C (-22 to 140°F)

Manual (PDF)
Quick Start Guide (PDF)
Fiber-Optic Converter with RS-485 Interface 101-0079

Typical Application

USB Fiber-Optic Converter Application