800 Gbit/s OTN ADM Solution Brief - This solution brief describes the 800 Gbit/s OTN Add/Drop Multiplexer (ADM), an FPGA-based Virtual ASSP solution designed for flexible mapping and transport of 10G to 400G client services across dual 800G optical line interfaces. Built on Agilex® 7 FPGAs and SoCs, the solution supports advanced OTN multiplexing, FlexO connectivity, granular cross-connect functionality, and scalable client configurations for high-capacity optical transport networks.