DESCRIPTION:

The VIAVI ONT-800 Optical Network Tester family is a modular high-performance optical transport test platform engineered for validation, verification, interoperability testing, manufacturing, and R&D characterization of high-speed optical transport technologies across telecom, hyperscale, enterprise, and data centre networking environments.

Designed as the successor to the industry-established ONT-600 platform, the ONT-800 architecture delivers the bandwidth, thermal management, port density, synchronization precision, and modular scalability required for validation of modern 400G, 800G, and next-generation optical transport technologies.

The platform is engineered for:

• Ethernet transport validation
• OTN verification
• coherent optics development
• PAM4 characterization
• QSFP-DD testing
• CFP2-DCO validation
• transceiver verification
• interoperability testing
• manufacturing validation
• protocol conformance testing

The ONT-800 family supports:

• 25GE
• 40GE
• 100GE
• 400GE
• 800GE
• OTN
• Fibre Channel
• FlexE
• coherent optical transport
• PAM4 Ethernet

through a scalable multi-slot architecture supporting interchangeable test modules and synchronized multi-port operation.

The ONT-800 ecosystem incorporates:

• 800G FLEX modules
• 800G ETHERNET modules
• FLEX DCO coherent test modules
• N-PORT multi-port modules
• CFP/CFP2 modules
• PAM4 transport validation
• advanced Ethernet alarm/error testing
• latency and jitter analysis

for comprehensive optical transport development and verification workflows.

The platform is optimized for:

• optical transport IC validation
• transceiver manufacturing
• switch/router verification
• hyperscale network development
• coherent module characterization
• system verification testing (SVT)
• Ethernet ecosystem interoperability
• AI/data centre transport infrastructure

The ONT-800 mainframe family includes:

• compact benchtop systems
• touchscreen-equipped portable systems
• rack-mounted multi-slot chassis
• multi-user synchronized configurations

allowing deployment from single-port engineering validation through carrier-grade multi-port laboratory environments.

The ONT-800 FLEX ecosystem supports advanced:

• PAM4 testing
• 800G transport
• coherent optics validation
• packet delay analysis
• lane skew analysis
• jitter characterization
• FEC validation
• FlexE verification

with nanosecond-level timing precision and synchronized multi-port operation.

Technical Specifications

Supported Technologies

• Ethernet
• OTN
• Fibre Channel
• FlexE
• PAM4
• Coherent optics
• CFP/CFP2
• QSFP28
• QSFP56
• QSFP-DD

Supported Ethernet Rates

• 1GE
• 10GE
• 25GE
• 40GE
• 50GE
• 100GE
• 200GE
• 400GE
• 800GE

Supported OTN Rates

• OTU1
• OTU2
• OTU3
• OTU4

Core Platform Functions

• Traffic generation
• Error insertion
• Protocol verification
• BER testing
• Latency analysis
• Jitter analysis
• FEC verification
• Interoperability testing
• Performance characterization

PAM4 and Coherent Capability

• PAM4 Ethernet validation
• Coherent optics testing
• CFP2-DCO support
• 400ZR validation
• 800G transport analysis

Timing and Synchronization

• High-accuracy synchronized clocks
• Multi-port timing alignment
• Packet delay analysis
• Lane skew analysis
• Precision jitter characterization

Modular Architecture

• Hot-swappable modules
• Multi-slot chassis support
• Multi-user operation
• Shared timing architecture
• Cross-platform ONT software compatibility

Interface Support

Depending on module:

• QSFP28
• QSFP56
• QSFP-DD
• CFP
• CFP2
• Native SFP28

Software and Automation

• Automated test scripting
• ONT software ecosystem
• Ethernet alarm/error workflows
• System verification automation
• Production test automation

Mainframe Configurations

• Portable benchtop systems
• Rack-mounted systems
• Multi-slot synchronized systems
• Touchscreen-equipped variants

Platform Configuration Options

Mainframe Platforms

Official Module Families

ONT 800G FLEX Module

Supports:

• PAM4 validation
• flexible services up to 800G
• coherent transport workflows

ONT 800G ETHERNET Module

Supports:

• multi-port Ethernet validation
• 400GE traffic generation
• Ethernet alarm/error testing

ONT 800G FLEX DCO Module

Supports:

• coherent pluggable validation
• CFP2-DCO testing
• QSFP-DD coherent module analysis

ONT N-PORT Modules

Supports:

• 4-port QSFP28/SFP28 operation
• Ethernet
• OTN
• Fibre Channel validation

Supported Deployment Environments

The platform supports deployment across:

• telecom R&D laboratories
• hyperscale data centres
• optical transceiver manufacturing
• network equipment vendors
• optical transport development labs
• interoperability test facilities
• AI/HPC infrastructure validation

Standard Accessories

Typical supplied components include:

• ONT-800 mainframe
• Integrated software environment
• Synchronization architecture
• Power modules
• Operational documentation

Optional Accessories

Available optional accessories include:

• 800G FLEX modules
• 800G ETHERNET modules
• FLEX DCO modules
• N-PORT modules
• CFP/CFP2 adapters
• QSFP-DD interfaces
• Rack mounting kits
• Advanced automation licensing

Key Features

• Modular high-speed optical transport validation platform
• 400G and 800G Ethernet test capability
• PAM4 and coherent optics validation support
• Multi-protocol Ethernet and OTN analysis
• High-density synchronized multi-port architecture
• Hot-swappable modular ecosystem
• Advanced latency and jitter characterization
• Ethernet alarm and error analysis
• CFP2-DCO and QSFP-DD validation support
• System verification and manufacturing optimization
• High-accuracy timing synchronization
• Automated scripting and workflow integration
• Rack-mounted and portable deployment options
• Compatible with ONT-600 ecosystem modules
• Carrier-grade optical transport validation architecture