FLX380 FlexTester3 OTDR with LinkMap


  • Patented in- or out-of-service testing from a single port*
  • Even easier troubleshooting using LinkMap™ with Pass/Fail!
  • Test up to 160km or through PON splitters up to 1:128
  • Industry-leading attenuation and PON dead zones
  • Reduce test time and setup errors with intelligent source and power meter
  • >12-hour continuous battery operation
  • Rugged, hand-held and lightweight (<1 kg)
  • High-contrast display, easily viewed even in direct sunlight
  • Instant On; Ready to test in <5 sec


  • Verify point-to-point and PON broadband optical network installations
  • Troubleshoot live FTTx PON networks
  • Verify network length, link loss and optical return loss (ORL)
  • Generate tones for positive fiber identification
  • Visibly trace fibers or locate fiber bends or breaks using integrated VFL
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Product Description

FLX380 FlexTester3 OTDR with LinkMap

The FLX380 FlexTester3 family provides the world’s smallest, lightest, most complete single-mode broadband network OTDRs with integrated optical light source, power meter, and visual fault locator (VFL).

Delivering an unmatched combination of optical test functions, ease-of-use, portability and value, FlexTester3 models offer the following benefits:

  • Easily identify, locate and characterize connectors, splices, splitters and macrobends using new LinkMap with Pass/Fail!
  • Toggle between LinkMap and Trace views at the push of a button
  • Complete in- or out-of-service PON OTDR and power measurements from a single port using patented* ServiceSafe™ capability
  • Test through PON splitters up to 1:128
  • High dynamic range using narrow pulse widths
  • Verify PON power levels and complete live PON OTDR tests without disrupting service
  • Automatically detect, identify, locate and measure macrobends and splitters
  • Measure end-to-end link length, loss and ORL
  • Simplify insertion loss measurements, reduce test time and eliminate setup errors using integrated source and power meter with AFL’s Wave ID
  • Briight, indoor/outdoor display easily viewed, even in direct sunlight!
  • Test all day (>12 hours) without replacing or recharging batteries
  • Instant On:  Ready to test in < 5 seconds
  • Designed for outside plant:  Rugged, handheld, lightweight

The FlexTester3 family is offered in four models to best suit your application requirements:

  • FLX380-304:  Verify both in-service (live) and out-of-service FTTx networks from a single port.  Includes 1310/1550/1650 nm live PON OTDR with integrated PON power meter.
  • FLX380-303:  Similar to FLX380-304, but with 1310/1550/1625 nm live PON OTDR.
  • FLX380-302:  Complete out-of-service testing at all FTTx PON wavelengths (1310/1490/1550 nm).
  • FLX380-300:  Lowest cost, high-performance, all-in-one 1310/1550 nm OTDR for out-of-service installation testing or troubleshooting both FTTx PON and point-to-point networks.
  • All models include integrated VFL plus Wave ID source and power meter.

The FLX380 FlexTester3 user interface features an easy-to-use, top-down menu structure. Fully automatic and expert modes are available for both novice and expert users. User interface software supports over a dozen languages including English, Chinese, French, German, Italian, Japanese, Korean, Portuguese, Polish, Russian, Spanish and Turkish.

Over 1000 OTDR test results may be saved in Telcordia SR-4731 .SOR file format.  Stored OTDR and OPM results may be transferred to PC via USB or Bluetooth® for viewing, analysis, and professional report generation using the included Windows® compatible TRM® 2.0 Basic Test Results Manager software.

Advanced analysis and reporting capabilities, including bi-directional trace averaging, are available by upgrading to TRM 2.0 Advanced (learn more here).

FLX380 FlexTester3 Configuration Options

The FLX380 FlexTester3 is available in multiple kit options to best meet your needs:

  • FlexTester3 Complete / Complete2 Test & Inspection Kits – User-selected FLX380 FlexTester3 with either FOCIS Flex or FOCIS PROFiber Optic Connector Inspection System, user-selected Optical Fiber Identifier, fiber ring launch cablecleaning supplies plus standard accessories in a rugged, waterproof hard-shell carry case. Includes LinkMap and TRM 2.0 Advanced upgrades!
  • FlexTester3 PRO / PRO2 Test & Inspection Kits – User-selected FLX380 FlexTester3 with either FOCIS Flex or FOCIS PRO Fiber Optic Connector Inspection System, connector cleaning supplies plus standard accessories in a rugged, waterproof hard-shell carry case. Includes LinkMap and TRM 2.0 Advanced upgrades!
  • FlexTester3 with Soft Carry Case – User-selected FLX380 FlexTester3 with standard accessories plus One-Click Cleaner in a convenient, lightweight soft carry case. LinkMap with Pass/Fail and TRM 2.0 Advanced upgrade available.

All FLX380-30x kits include rechargeable, replaceable Li-Ion battery pack, AC charger with country-specific power cord, (1) SC and (1) FC adapter for the OTDR/OLS port, (2) 2.5 mm Universal adapters for the OPM and VFL ports, dust caps for all ports, USB cable, TRM® 2.0 Basic or Advanced Test Results Manager software, and a quick reference guide in any one of the supported languages.  Additional accessories are available, including:

  • Adapters for other connector types
  • Fiber rings (launch or receive cables)
  • Vehicle Charger / Supply
  • Li-Ion Battery Charger
  • Hard-carry case

The FlexTester3 is also available with prepaid calibration and extended warranty plans.

FLX380 FlexTester3 Software Update

See Software Resources to download the latest free software update for your FLX380 FlexTester3.


For additional details and ordering information, download the FLX380 Specification Sheet.