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ROADM Example Constraints Any to Any connectivity is NOT supported! Example: ingress ports 3-42 (adds) can only egress on port #1 Various wavelength restrictions can apply to drop ports (colored or colorless, single wavelength or multiple wavelengths) 2-Degree ROADM … … … … Port #1 Port #2 Ports #3-42 Ports #43-82 drop drop add add line line |