The Fluke Networks MFMULTIMODESOURCE Multifiber Pro MM 850 LED Light Source is purpose-built to simplify and accelerate multimode MPO fiber testing. Operating at the 850 nm wavelength, it is optimized for high-density multimode networks commonly used in enterprise and data center environments. When paired with the Multifiber Pro Power Meter, the MFMULTIMODESOURCE enables simultaneous testing of all 12 fibers in an MPO connector—eliminating the need for sequential measurements and reducing testing time by up to 90%. Its stable LED output ensures repeatable, accurate optical loss and power measurements, making it a trusted solution for certifying, troubleshooting, and maintaining multimode trunk links. Compact, rugged, and easy to use, this light source is a reliable tool for field technicians and lab professionals alike.
Key Features:
850 nm multimode LED light source
Works seamlessly with the Multifiber Pro Power Meter
Tests all 12 fibers of an MPO connector simultaneously
Up to 90% faster certification compared to traditional methods
Stable, repeatable optical output for consistent results
Rugged and portable for field or lab use
Compatible Applications:
Multimode MPO trunk cable certification and verification
Data center and enterprise backbone testing
High-density fiber troubleshooting
Optical loss testing for multimode networks
Included Accessories:
MFMULTIMODESOURCE LED light source unit
Connector adapters (as required)
Protective carrying pouch
User documentation
Batteries
Compliance & Standards:
Meets IEC and TIA multimode fiber testing standards
Safe LED output compliant with industry regulations
Benefits for Lab/Field Users:
The MFMULTIMODESOURCE helps technicians save time and improve accuracy by enabling full MPO trunk certification in one pass. With its stable 850 nm LED source and compatibility with the Multifiber Pro Power Meter, it ensures reliable results, faster workflows, and higher confidence in multimode fiber installations.





