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Specification Sheet
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Encircled Flux (EF) Compliant Test Kits


  • EF Compliant as per TIA-568-14-B and IEC 61280-1-4 Ed. 2.0
  • 5-Year Warranty
  • USB port for transfer of stored results


  • Certify multimode and single-mode links per TIA/EIA standards
  • Passive Optical Network (PON) testing
  • Prepared for jobs requiring EF Compliance

Product Description

Single-mode and Multimode Loss Test Kits


Rugged hand-held light sources from AFL - Encircled Flux (EF) compliant by design.  


Encircled Flux Compliance

International standards bodies established Encircled Flux (EF) guidelines (TIA-568-14-B and IEC 61280-1-4 Ed. 2.0) to improve mulitmode fibre measurement repeatability by reducing loss measurement variation to within a target range of ± 10%.


Encircled Flux (EF) Compliant Test Sets


SMLP5-5-EF & SMLP4-4-EF loss test kits combine OLS4-EF quad light source with OPM5 or OPM4 optical power meters providing both single-mode (1310/1550 nm) and multimode (850/1300 nm) loss test capability. 


MLP5-2-EF & MLP4-2-EF loss test kits combine OLS1-Dual-EF multimode light source with OPM5 or OPM4 optical power meters providing 850/1300 nm loss test capability. 


Faster Test Times with WaveID

OPM5 and OPM4 Power Meters automatically detect WaveID encoded signals from OLS4-EF and OLS1-Dual-EF light sources.  Together the source/meter test and display two wavelengths simultaneously – doubling testing efficiency – reducing test time!


OPM5 power meter provides internal storage and USB upload capability for report generation in TRM® 2.0 PC Software.  


Flexible Output Connector Adapter Design

Source output ports and OPM detector ports accept removable adapters allowing ports to be inspected and cleaned, while allowing field change of adapter style between FC, SC, ST, and LC connector adapters.


Key Specifications


  • SM Optical Port Wavelengths: 1310 and 1550 nm
  • SM Dynamic Range: 60 dB
  • MM Optical Port Wavelengths: 850 and 1300 nm
  • MM Dynamic Range: 40 dB
  • Connector adapters: FC, SC, ST, LC switchable (Each kit supplied with one set.  Order additional connector adapters separately) 
  • Battery: 2 x AA Alkaline, optional AC adapter


Ordering Information


Model Numbers:

SMLP5-5-EF-XX-YY     SM & MM Test Kit with Data Save and Reporting

SMLP4-4-EF-XX-YY     SM & MM Test Kit

MLP5-2-EF-XX-YY       MM Test Kit with Data Saving and Reporting

MLP4-2-EF-XX-YY       MM Test Kit



XX = FC or SC (Source UCI adapter Style and Input Connector of RGTC)

YY = FC, SC, ST, or LC (Output connector of RGTC)


Accessories and Connector Adapters




 FC adapter for source ports


 SC adapter for source ports


 ST adapter for source ports


 LC adapter for source ports


 FC adapter for power meter


 SC adapter for power meter


 ST adapter for power meter


 LC adapter for power meter


 Universal flip-top dust cap for UCI outputs


 100-240 VAC to 9 VDC


Reference Grade Test Cords (RGTC)


TIA-568-14-B and IEC 61280-1-4 Ed. 2.0 specify Encircled Flux (EF) compliance for light sources at the end of a Reference Grade Test Cord (RGTC).  Compliance to the specification requires use of reference grade test cords qualified for EF use.  AFL sources ship with one RGTC.  Order additional RGTCs as needed for network test requirements.  Note: RGTCs are directionally qualified for EF use.  Order correct output connectors matching networks to test.


AFL Part Number

 Fibre Size



 50/125 µm OM4

 FC to FC


 50/125 µm OM4

 FC to SC


 50/125 µm OM4

 FC to LC


 50/125 µm OM4

 FC to ST


 50/125 µm OM4

 SC to FC


 50/125 µm OM4

 SC to SC


 50/125 µm OM4

 SC to LC


 50/125 µm OM4

 SC to ST

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