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Optical Time-Domain Reflectometer

Greenlee 930XC OTDR is an easy to use, full-featured handheld test instrument used by organizations to certify the performance of new fiber optics links and detect problems with existing fiber links. The 930XC OTDR is capable of measuring the length to a fault or the length of single mode and multimode fiber optic cables 

The 930XC OTDR also measures the reflectance and insertion loss of reflective and non-reflective events. 930XC is easy to learn so that even inexperienced technicians can measure, qualify, and troubleshoot today’s and tomorrow’s high bandwidth fiber networks. Professional test reports are easily generated using industry standard SOR files that can be saved as a PDF for full documentation.

Short learning curve allows the technician to be productive quickly Locates faults quickly so that fiber installations can restored with low down time

Applications: Validate installed fiber networks for compliance to design requirements Monitor and troubleshoot faults in fiber links

Product Specification


Wavelength (± 20nm)
Dynamic Range (dB)
Event Deadzone (m)
Attenuation Deadzone (m)
Pulsewidth (ns)
12, 30, 100, 275, 1μs, 2μs
5, 10, 30, 100, 300, 1μs, 2.5μs, 10μs, 20μs
Selectable Ranges (KM)
0.1, 0.3, 0.5, 1.3, 2.5, 5, 10/0.1, 0.3, 0.5, 1.3, 2.5, 5, 10, 20, 40, 80
0.3, 1.3, 2.5, 5, 10, 20, 40, 80, 120, 160, 240
Average Time
15s/30s/1 min/2 min/3 min
Distance Measurement Accuracy
±(1m + 5X10 x distance + sampling space)
Connector Type
PC or APC (interchangeable FC, SC, ST)
Reflection Detect Accuracy
±4 dB
Attenuation Detect Accuracy
±0.05 dB/dB
Measurement Data Storage
1,000 test curves
Data Transmission
RS-232/USB port
Visual Fault Locator (VFL)
-3dBm; 650nm
Optical Power Meter (OPM)
OPM Wavelengths
850, 1300, 1310, 1490, 1550, 1625nm
OPM Range
+6 to -70dBm (+6 to -60dBm @ 850nm)
OPM Display resolution
OPM MOD Identification
1kHz, 2kHz
Stabilized laser Source (SLS)
Wavelength same as selected in OTDR mode ≤ -7dBm
Power Supply
NiMH chargeable battery/AC adaptor
Battery Life
Support over 8 hours operating on one charge or over 20 hours standby
Operating Temperature
-10°C to 50°C
Storage Temperature
-20°C to 60°C
Relative Humidity
0 to 95% (non-condensing)
196mm H x 100mm W x 64mm L

• One button test functions Start measurements with the push of one button
• Autotest automatically sets test parameters for optimum test results
• Graphical interface. Easy to read, even in low or bright lighting conditions
• Up to 38 dB dynamic range
• Probe longer cables and see smaller reflections
• Measure lengths and defects
• Quickly locates faults
• Cable acceptance reports
• Generate customized reports that include trace signature and fiber events
• High dynamic range to shoot through high loss components
• Easy to use “single button” interface with “Auto Test” mode
• Bellcore GR196 compliant
• Optical power meter, stabilized laser source, and visual fault locator included standard with all models
• Free Trace Viewer documentation program is included with all kits

Product Info Downloads
Product Info Downloads

Product Information files contain the essential technical detail you need to make informed decisions on any particular product. Simply click on a title to download a PDF copy of that file. If you wish a hard copy of a brochure, technical advice on any product or a demonstration then please contact us. We're always happy to help!

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