MTS-2000 / 4000 OTDR Modules

OTDR test solution for use in installing, turning up, and maintaining long-haul, metro, FTTx/PON, access, and enterprise networks

MTS-2000 / 4000 OTDR Modules

VIAVI 4100-Series OTDR modules enable field technicians to rapidly, reliably, and cost-effectively install, turn up, and troubleshoot any optical network architecture – The optical performances of the 4100-Series OTDR modules combined with the complete suite of T-BERD/MTS, CellAdvisor 5G or OneAdvisor-800 platforms testing features ensure that any testing job is done right the first time.


  • Familiar control user interface
  • Module portability allows migration of fiber test capabilities between different VIAVI platforms
  • Wide range of module performance to match any network applications with fast, error free testing
  • Consolidated reporting for all wavelengths tested reduces volume of test results to manage by 50 %
  • Avoids the risk of live signal interference or damage to the optical transmitter when performing OTDR test with instantaneous automatic traffic detection


  • Construction, commissioning and troubleshooting of Metro and Long-Haul networks
  • Tier-2 certification and maintenance of Enterprise and Data Center networks
  • High fiber count/ribbon cables with automated MPO switching
  • Characterization and troubleshooting of FTTA fiber cables
  • Certifcation and troubleshooting of FTTH-PON networks

Key Features

  • SmartLink Mapper (SLM) icon based results view
  • Up to 45 dB dynamic range and 256,000 acquisition points
  • PON optimized to test through up to a 1x256 splitter (FTTH-SLM)
  • Combined singlemode/multimode (Quad) version
  • Single-/Dual-/Tri-wavelength versions with 1310, 1550, 1625, and 1650 nm
  • Single connector port for 1310, 1550 and in-service 1625 or 1650 nm filtered wavelengths dedicated for in-service troubleshooting
  • Integrated light source and power meter on OTDR port
  • Available in FiberComplete version for automated bi-directional OTDR, IL and ORL measurements

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