Viavi Solutions announced the launch of its TestCenter D2 1.6‑T Appliance on March 12, 2026. The platform is the first test system built specifically for 1.6‑terabit Ethernet networks, a speed that is becoming the backbone of AI data‑center infrastructure. Designed for cloud providers, hyperscalers and network equipment manufacturers, the appliance delivers scalable traffic capacity, industry‑leading performance and advanced traffic generation and analysis capabilities that enable customers to validate performance, scale, robustness and reliability before deployment.
The appliance earned a 4.0 score in the 2026 Lightwave Innovation Reviews and will be showcased at OFC 2026 from March 17‑19. By providing a comprehensive validation solution for 1.6‑T networks, Viavi helps customers accelerate the rollout of high‑speed Ethernet that supports AI workloads and next‑generation cloud architectures.
Viavi’s recent financial results underscore the strategic relevance of the launch. In Q2 Fiscal 2026, the company beat earnings expectations with non‑GAAP diluted EPS of $0.22 versus $0.13 in the prior year, and revenue rose 36.4% to $369.3 million. The growth was driven by a 36% year‑over‑year increase in the Network Enablement segment, which accounted for 72% of total revenue at $216 million. Strong demand for high‑speed networking and AI workloads underpinned the revenue expansion, while disciplined cost management helped lift earnings.
Tom Fawcett, Senior Vice President and General Manager of Lab and Production, said, "Current validation technologies are struggling to keep pace with the unprecedented performance and scale requirements of AI and next‑generation cloud architectures, which is creating bottlenecks and slowing service rollouts." He added, "The launch of the TestCenter D2 1.6T Appliance helps change this, giving customers the confidence they need in the speed, reliability and interoperability of new 1.6T‑class networks."
The product launch fits into Viavi’s broader strategy to capture the rapidly expanding AI data‑center market. The company recently completed the acquisition of Spirent Communications’ high‑speed Ethernet, network security and channel emulation testing business from Keysight Technologies, and announced a 5% workforce reduction in January 2026 to improve operational efficiencies. These moves reinforce Viavi’s focus on high‑growth segments and its commitment to delivering advanced testing solutions that support the next generation of networking infrastructure.
By offering a comprehensive validation solution for 1.6‑terabit Ethernet, Viavi positions itself as a critical partner for AI data‑center builders and strengthens its competitive edge in a market that is shifting from 800G to 1.6T deployments. The launch signals Viavi’s continued investment in R&D and its ability to translate emerging market needs into tangible products that accelerate customer adoption of high‑speed networking.
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