The RDU9 board is used for demultiplexing optical signals; however, it cannot dynamically demultiplex any wavelength to any port. Dynamic demultiplexing requires advanced ROADMs or wavelength selective switches capable of flexible mapping. The RDU9 has limited fixed demultiplexing functions and does not support arbitrary wavelength-to-port assignments. Therefore, the statement that it can dynamically demultiplex any wavelength to any port is false. This aligns with HCIP-Transmission technical references highlighting the capabilities and limitations of different demultiplexing hardware modules.
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