iSFC® Micro-OTDR Transceiver Series Fast Fiber Fault Finder™

Major Features

  • Integral Micro-OTDR (μOTDR™) - iSFC
  • Reflection Immune Operation - RIO
  • Full Duplex, Single Wavelength
  • -20°C to +70°C TOP Commercial
  • -40°C to +85°C TOP Industrial *
  • TIA-598-C ZonuColor™ Code
  • Dead Zone of 50 meters or Less
  • Resolution of 10 meters or Better
  • Accuracy of ± 50 meters or Better
  • Minimum 20 dB Optical Link Budget
  • 55 dB Dynamic Range for the μOTDR
  • Automatically Measures ORL and Optical SNR
  • Reflection Immune Operation – Any Network Type

* CWDM Operation Limited by Optical Mux/Dmux Pass-Band.

GST included and free delivery within Singapore mainland if more than $100, else $5 delivery cost applies.


iSFC® Transceivers transmit and receive at the same wavelength, doubling the optical fiber plant capacity. Upon disruption of data link, or failure to connect, the unit switches into μOTDR™ Mode. Reflection Immune Operation - RIO® resolves self-reflection from an open connector and/or other reflectors. Only remote data is transferred into the host equipment.

Fiber faults and intermittent connections present optical reflections of varying intensities. The reflection intensity of a fiber break has a known statistical distribution. Monitoring multiple fibers in the same trunk increases the detection probability (each fiber breaks differently). Fiber link may be monitored from one side, or both sides, when ring topology is utilized. 

The new ORL/OSNR Measurement feature of the Micro-OTDR SFPs measures the optical fiber link ORL during the normal Micro-OTDR start-up “handshaking” routine of the SFPs, before the data link is made. The receiver also measures the signal received. Internally the Micro-OTDR SFP calculates the actual SNR. If the SNR is deemed to be dangerously low a Warning bit is activated, and when it is too low (i.e. the optical data link bit error rate will be high), an Alarm bit is set and optionally (factory setting based on customer request) the link can be shut-down.

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