Viavi unveils rugged field testers for cable and fiber broadband networks

June 5, 2019
Viavi announced rugged new solutions for fast, precise field testing at ANGA COM 2019.

Viavi Solutions Inc. (NASDAQ: VIAV) has introduced new test and measurement solutions to help service providers and contractors validate, qualify and troubleshoot cable and fiber broadband networks. The two new solutions from Viavi, the DSP TDR Time Domain Reflectometer and the OCC-4056C DWDM Optical Channel Checker, deliver fast and accurate performance analysis and troubleshooting to ensure successful network installation and operation, according to the company.

The company notes that "multiple system operators (MSOs) and cable technicians are under enormous pressure to deploy new services in a timely manner, as well as to quickly and accurately find cable faults to restore service as soon as possible. Moreover, in today’s evolving landscape, the stakes are even higher as cable networks are now positioned to take on a larger role in mobile backhaul for 5G with new capabilities enabled by DOCSIS 3.1 and distributed architectures such as Remote PHY," adds Viavi. 

“VIAVI is at the forefront of testing cutting-edge technologies, including Remote PHY, 5G, DOCSIS 3.1 and FTTH/PON, providing a smooth and reliable path through any access technology transition across the entire network lifecycle,” comments Kevin Oliver, Vice President and General Manager, Converged Instruments and Virtual Test, Viavi. “Built on decades of test and measurement expertise, our comprehensive portfolio of solutions enables network technicians to successfully deploy, maintain, optimize and evolve complex networks, delivering outstanding quality of experience.”

The VIAVI DSP TDR offers lab-grade functionality in a rugged, handheld form factor to accurately locate cable breaks or faults in the field, enabling outages to be addressed quickly for faster restoration of service. In addition to reducing mean-time-to-repair (MTTR), the capability to precisely pinpoint a cable break helps limit the length of cable to be dug up for repairs, which means that operators can avoid paying for unnecessary span replacements. 

Unlike other TDRs that use "pulse" technology, the VIAVI DSP TDR uses “step” technology that continuously transmits while the receiver simultaneously listens for reflected signals, resulting in more accurate fault detection. Additional features of this new solution include:

  • Data upload and retention with StrataSync cloud-hosted management solution helps shorten outage time and simplifies documentation of results,
  • Simple setup and operation with an easily accessible, one-button event list on the tool, 
  • Rugged design and industry-leading battery life for real-world field use.

For its part, the new VIAVI OCC-4056C Optical Channel Checker is designed to work with the popular T-BERD/MTS-2000, 4000, and 5800 platforms, forming the industry’s most comprehensive set of test solutions for DWDM and hybrid DWDM/ CWDM metro and access networks. 

The company notes that, as Dense Wavelength Division Multiplexing (DWDM) technology migrates into access networks, MSOs and mobile operators require new solutions for testing fiber links, 5G fronthaul networks or Remote PHY architectures. The OCC-4056C is billed as a cost-efficient, field-optimized, all-in-one tool that enables technicians to quickly and easily confirm channel presence, frequency and power levels, validate new wavelength routes, and isolate issues to ensure that deployment, activation and maintenance tasks are completed right — the first time — without disrupting existing services. (For more information, visit:

Viavi is demonstrating the DSP TDR and OCC-4056C, along with its comprehensive portfolio of broadband network testing solutions, during ANGA COM (Hall 7, Stand B31), held June 4-6 in Cologne, Germany. 

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