VIAVI TestCenter D2 1.6T 4-Port Appliance

The VIAVI TestCenter D2 is a four-port OSFP Ethernet test appliance that generates up to 6.4 Tbps of traffic for 1.6T Ethernet, AI data-center fabric, RoCEv2, Ultra Ethernet, and Layer 2–3 validation.

  • Provides four OSFP test ports and up to 6.4 Tbps of aggregate test traffic
  • Supports 1.6T, 800G, 400G, and 200G Ethernet using 224 Gbps PAM4 signaling
  • Supports IEEE-compliant RS-FEC, Auto-Negotiation, and Link Training
  • Emulates up to 128 GPUs or network interface cards per port with RoCEv2, collective communication, and AI workload testing
  • Supports Ultra Ethernet 1.0, Layer 2–3 protocols, routing, switching, MACsec, and data-center network validation

Product Details

Manufacturer: VIAVI Solutions
Product family: VIAVI TestCenter
Model: D2 1.6T 4-Port Appliance
Form factor: 2RU rack-mount appliance
Test interfaces: Four OSFP1600 ports
Interface configurations: OSFP IHS and OSFP RHS
Maximum traffic capacity: 6.4 Tbps
224 Gbps PAM4 speeds: 1.6T, 800G, 400G, and 200G
112 Gbps PAM4 speeds: 800G, 400G, 200G, and planned 100G support
Standards: IEEE 802.3dj, IEEE 802.3df, and IEEE 802.3ck
AI emulation capacity: Up to 128 GPUs or NICs per port
RoCEv2 capacity: Up to 16,000 queue pairs per port
Interconnect support: Optical transceivers, AOC, DAC, and AEC
Synchronization accuracy: Within ±20 nanoseconds
System scaling: Daisy-chain synchronization for up to 255 appliances
Dimensions: 17.1 × 3.5 × 30.5 inches (43.4 × 8.9 × 77.47 centimeters)
Weight: 53 pounds (24 kilograms)
Power requirement: 2,000–3,200 watts at 180–240 VAC
Operating temperature: 41°F to 95°F (5°C to 35°C)
Operating humidity: 20% to 80% relative humidity

More Product Information

VIAVI Communications/RF

VIAVI is a leading worldwide provider of highly specialized test and measurement equipment and microelectronic solutions. 

VIAVI Solutions is proud of our industry-leading network solutions for Telecommunications Service Providers, Equipment Manufacturers, Enterprises, and Entities in fields of Government and Avionics. VIAVI is consistently #1 or #2 in the markets we serve, including: Fiber, Cable, Access, Metro and Transport, RAN-to-Core, LandMobile and Military Radio and Nav/Comm and Transponder. We offer end-to-end network visibility and analytics that help build, test, certify, maintain, and optimize complex physical and virtual networks. 

Our optical specialty products division is renown for expertise in anticounterfeiting pigment materials, 3D Sensing, and optical filters – holding #1 positions in those markets as well. 

The pioneering spirit at VIAVI continues as we light the path to 5G with innovative test and measurement products, and lead the way with 3D sensing technology.

📡 Communications / RF

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Front view of the VIAVI TestCenter D2 1.6T four-port OSFP test appliance
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