This 4‑port 2U appliance delivers high‑performance 400G testing, with each port supporting multiple PAM4 and NRZ speed configurations up to 400G. It includes Ethernet FEC, Auto Negotiation, and Link Training across all supported rates and breakouts. The platform enables L2/3 routing, switching, and data center protocol testing and is the highest‑scale QSFP‑DD test appliance available. With both PAM4 and NRZ in one system, MACsec on all ports, extensive stateless traffic generation, and exceptional protocol performance, it supports large‑capacity testing for carrier‑grade and cloud‑scale routers, gateways, and network infrastructure.

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