ONT Optical Network Tester Family

The VIAVI ONT Product Family is a versatile testing and verification solution designed to meet the demands of modern high-speed network elements. It offers a unified testing experience with a user-friendly interface and consistent automation capabilities, making it ideal for various stages of product development. With support for a wide range of technologies including OTN, Ethernet, Fibre Channel, CPRI, and SONET/SDH, it enables precise hardware-level testing, accurate latency measurements, and service disruption testing. Whether you’re in equipment manufacturing, service provisioning, or data centers, the VIAVI ONT Product Family provides comprehensive features to ensure reliable network performance and efficient testing throughout your product lifecycle.

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High-speed testing for high-speed optical networks

The VIAVI ONT Product Family is a comprehensive testing and verification solution designed to meet the demands of today’s high-speed network elements. Whether you’re an equipment manufacturer, service provider, or data center, this product offers a range of features and benefits that make it an ideal choice for testing and validating your network infrastructure.

Key Features:

  • Flexible Mainframe Options: Choose from multiple mainframe options including rackmount, desktop, and modules with built-in displays for mobile test needs, ensuring compatibility with your existing setup.
  • Multi-Technology Testing: Support all major transport technologies, making it a versatile choice for equipment manufacturers, service providers, and data centers.
  • Wide Technology Range: Cover a broad spectrum of technologies including OTN, Ethernet (up to 400 GE and FlexE), SDH/SONET, Fibre Channel, and CPRI.
  • Precise Latency Measurements: Benefit from the most accurate latency and service disruption measurements for OTN, Ethernet, CPRI, Fibre Channel, and SONET/SDH, allowing you to maintain optimal network performance.
  • Intuitive GUI and Automation: Navigate effortlessly with the browser-oriented graphical user interface (GUI) and take advantage of full multitasking operation. Enjoy automation support via CLI or drivers and libraries for LabWindows CVI, LabView, Python, and Tcl/Tk.


  • Unified Interface and Automation: All application modules within the VIAVI ONT Product Family share a common GUI and seamless automation and scripting capabilities. This uniformity enables their usage across different stages of product development cycles, enhancing efficiency and reducing the learning curve.
  • Comprehensive Hardware Testing: Perform detailed hardware level testing with unframed and protocol-based traffic, ensuring the robustness of your network elements under various conditions.
  • Validation for Optical Modules: Validate optical modules of varying speeds – 25G, 50G, 100G, and 400G – with precision. The product allows you to stress test electrical lanes, manage interfaces, and verify standards compliance per IEEE guidelines.
  • Multi-Technology Support: The VIAVI ONT Product Family covers a wide range of technologies including OTN, Ethernet, Fibre Channel, CPRI, and SONET/SDH. This versatility ensures that you can confidently test and verify diverse network elements.
  • PTP Implementation Qualification: Qualify PTP (IEEE 1588) implementations within optical networks and equipment, ensuring accurate synchronization and timing across your network.
  • Disruption and Latency Measurements: Perform comprehensive disruption and latency measurements for all supported technologies, allowing you to pinpoint performance issues and optimize your network.
  • Versatile Applicability: Whether you’re an Equipment Manufacturer, a Service Provider, or a Data Center, the VIAVI ONT Product Family caters to your needs across R&D, SVT, production environments, qualification testing, benchmarking, and beyond.


  • Equipment Manufacturers: Support your product’s entire life cycle, from R&D to production, with the VIAVI ONT Product Family’s comprehensive testing capabilities.
  • Service Providers: Qualify and benchmark products before deployment, ensuring they meet your standards before they hit the field.
  • Data Centers: Thoroughly verify interconnect elements and transmission components for quality and performance. Stress test pluggable optics, including active optical cables, to ensure seamless operation.