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Milpitas, CA, May 1, 2017 – Viavi Solutions (NASDAQ: VIAV)today introduced the 4100-series DWDM OTDR for its T-BERD/MTS-2000, 4000, and 5800 platforms. As DWDM technology continues to penetrate into access networks, technicians require comprehensive, cost-optimized DWDM test tools. With these, techs can deliver reliable deployments during construction and support efficient troubleshooting of faulty links for ongoing maintenance.

Consisting of a single module, Viavi’s C-band OTDR enables wireless, cable, and telco operators to perform complete end-to-end link characterization and troubleshooting through the optical Mux/Demux for newly deployed or active DWDM and hybrid CWDM/DWDM networks.


  • Test new DWDM wavelength routes and pinpoint exact fault locations without disrupting traffic on active channels
  • Verify end-to-end continuity through ROADM network elements with the integrated C-band tunable laser source mode
  • Easy setup and interpretation of results with SmartConfigs and Smart Link Mapper (SLM) OTDR applications
  • Comprehensive qualification and troubleshooting solution, for hybrid CWDM/DWDM networks when combined with Viavi’s CWDM OTDR modules
  • Portable and lightweight, most compact DWDM OTDR solution available for physical layer fiber certification and troubleshooting

DWDM technology has been well adopted in long-haul transmissions for decades. ‘

With the growing need for bandwidth driven by data-hungry applications and business services, DWDM technology has now found its way into access networks.

CATV operators delivering DWDM-enabled business services and wireless operators moving to DWDM for CRAN front hauls, require a simple way to validate routes to connect new customers and to troubleshoot faulty links in a timely manner without disrupting existing services.



About Viavi Solutions

Viavi (NASDAQ: VIAV) is a global provider of network test, monitoring and assurance solutions to communications service providers, enterprises and their ecosystems, supported by a worldwide channel community including Viavi Velocity Solution Partners. We deliver end-to-end visibility across physical, virtual and hybrid networks, enabling customers to optimize connectivity, quality of experience and profitability. Viavi is also a leader in high performance thin film optical coatings, providing light management solutions to anti-counterfeiting, consumer electronics, automotive, defense and instrumentation markets.

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