Multicom – MUL-OTDR-2100 – OTDR Optical Time Domain Reflectometer

  • Includes 1625nm wavelength that allows for live network testing
  • Auto/manual testing
  • Live network testing
  • Integrated design with long battery life
  • Outdoor enhanced, smart and rugged
  • 7” anti-reflection LCD touch screen
  • Support multi-language display and input
  • Includes VFL, Light Source, Power Meter & Smart Network Analysis



What is a OTDR?

An OTDR injects a series of optical pulses into the fiber under test and extracts, from the same end of the fiber, light that is scattered or reflected back from points along the fiber.

Fear the Dead Zone? What’s an OTDR Launch Box? Find out…

Multicom’s 2100 Series Optical Time Domain Reflectometer (OTDR) has been enhanced with the ability to monitor the 1625nm wavelength that allows for live network testing.  As are all Multicom OTDRs, it is designed for tough outdoor jobs. Lightweight, easy operation, low-reflection 7″ LCD, and 12 hours of battery life make it perfect for testing fiber optic cable in the field.


  • FTTX test with PON networks
  • CATV network testing
  • Access network testing
  • Live fiber troubleshooting


Part Number MUL-OTDR-1100
Wavelengths 1310 / 1550 / 1625nm Singlemode
Dynamic Range 43 / 41 / 41dB
Event Dead Zone 1m (typical)
Attenuation Dead Zone 4m
Distance Resolution 0.01m
Sampling Points (max) 12,8000
Testing Distance 4m, 100m, 500m, 2km, 5km, 10km, 20km, 40km, 80km, 120km, 160km, 170km
Pulse Width 3ns, 5ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1μs, 2μs, 5μs, 10μs, 20μs
Distance Accuracy ± (1m+measuring distance×3×10-5 +sampling resolution)m
Optical Light Source 1310nm, 1550nm, 1625nm
Optical Power Meter 850, 1300, 1310, 1490, 1550, 1625, and 1650nm –
Input -60dBm to +5dBm
Visual Fault Locator (VFL) Included, 650nm, 10mW, Class III B
Smart Network Analysis Included
Touch Screen Touch screen, 7″ TFT Touch
Fiber Inspection Software included, probe purchase required
Languages English / Spanish / others
Bellcore SOR File Output  Yes (Issue 2, SR-4731)
Data Storage Internal memory: 4GB (about 40,000 test traces)

Additional Featured Product: The Multicom MUL-FVSCOPE-400 Handheld Video Fiber Inspection Microscope is a handheld video fiber inspection microscope tool that provides a 400x magnification, and offers a live clear digital image of the fiber ends-faces that are viewable, and can be displayed, captured, and recorded on an OTDR or PC/laptop.


Additional information


Open Spec Sheet

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