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Nokia Selects VIAVI To Validate Performance of Coherent Optical Modules

ONT 800G FLEX DCO Module supports the CFP2 DCO form factor with 400G, 4x100G and FOIC 1,2,4 interfaces

Viavi Solutions Inc. announced that Nokia has validated its coherent optical modules using the VIAVI ONT 800G FLEX DCO Module, which tests pluggable (CFP2) Digital Coherent Optics (DCO) modules. Nokia utilized this test capability as a beta customer, providing valuable feedback, and ultimately purchased the first ONT 800G FLEX DCO Module upon release.

Communications service providers (CSPs) are striving to gain more efficiencies from their transport networks as they deploy faster technologies at the edge including 5G, Gigabit-to-the-Home and hyperscale. Coherent transport grows the traffic-carrying capacity for each wavelength that is deployed, regardless of the distance. This means increased overall network capacity with less hardware to deploy and manage, reduced energy consumption, and lower cost per bit transported. Pluggable coherent optics, a key component in coherent systems, play an increasingly important role for telecom operations, particularly in disaggregated ecosystems.

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As a leading equipment manufacturer for high-speed optical networks, Nokia has been at the forefront of pluggable coherent optics and, as a long-standing partner, has relied on VIAVI test and measurement. Nokia collaborated with VIAVI to test its CFP2 DCO module against the different technologies with the 800G FLEX DCO Module. In particular, Nokia sought a solution which had coherent interfaces on the optical as well as the electrical sides, a capability not available from other vendors.

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The 800G FLEX DCO Module augments the VIAVI ONT optical network test platform, and provides a wide range of critical test and measurement capabilities that manufacturers need to design and validate pluggable digital coherent optical modules. Native support for both 400G class CFP2 DCO and QSFP-DD 400ZR modules is backed by a solid power and thermal cooling environment. Electrical adapters allow testing on prototype boards and integrated circuits before module integration, greatly accelerating product development.

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“Carriers worldwide are investing in optical transport upgrades as they prepare for next-generation communications, and are entrusting us to drive more efficient operation while enhancing service quality,” said Andreas Leven, Head of Engineering, High Speed Optical Networks, Nokia. “One of the qualities that sets Nokia apart is our reliability. To ensure all new and current optical products deliver on this quality, we rely on partners like VIAVI. They are involved in the technology lifecycle from standards development through field deployment, and therefore have a strong foundation on which to build robust test and measurement platforms.”

“We are honored to work with industry leaders such as Nokia, allowing us to anticipate and respond to network technology evolution,” said Tom Fawcett, Vice President and General Manager, Lab and Production Business Unit, VIAVI. “Thanks to that partnership, VIAVI has blazed yet another trail with the first coherent test solution to support the multiservice market at 400G, accelerating high-speed network test to ensure performance and interoperability.”

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