Native support for dual QSFP-DD ports as well as QSFP56 and QSFP28 provide complete coverage from 100G to 400G with lane speeds of 25G NRZ and 50G PAM-4. This table provides an overview for the full range of features and options supported on the ONT-800 400G BERT system. The Quad Small Form-Factor Pluggable (QSFP) family represents a critical evolution in high-speed optical transceiver technology for data centers, telecommunications networks, and enterprise infrastructure. These hot-pluggable transceivers provide high-density, high-performance connectivity. The ONT-800 400G BERT System is optimized for the testing needs of 400G pluggable Transceiver Modules, DAC (Direct Attach Cable), AEC (Active Electrical Cable) and AOC (Active Optical Cable). 400G QSFP-DD Test Module for ONT-800 A demonstration featuring the VIAVI 800G FLEX module's advanced test coverage, including PHY, PCS and Ethernet layers, which gives manufacturers an advantage when designing and manufacturing emerging technologies. A. The Nokia Optical Network Terminal (ONT) XS-010X-Q that has one 1/10 Gigabit Ethernet (GigE) is part of the industry-leading Nokia ONT product family. It is designed to deliver triple play services in fiber to the home (FTTH) environment to single family units (SFUs) where an Ethernet port is. Cisco offers a comprehensive range of pluggable optical modules for the Cisco ONS family of multiservice platforms. Cisco offers a range of GBIC, SFP, XFP, SFP+, CXP, CFP, Cisco CPAK, and QSFP+. Explore how AI clusters are reshaping network architecture, from XPU-centric design to multi-plane scalability, and learn how 800G modules enable high-performance, low-latency interconnects for modern AI data centers. In the design of AI computing clusters, Scale-Up and Scale-Out have different.