Coriant Operations, Inc.

Peigang Hu

Eric L Chan

Bradley Ronald Kangas

Matthew S Vrba

A procedure for transferring wavelengths, and a system that operates in accordance with the procedure. The system comprises at least one network terminal, each including a switch and a controller. A plurality of wavelength sets are applied to the switch. The controller is arranged to operate the switch such that the switch (a) selects at least one wavelength from at least one of the plurality of wavelength sets, based on electrical monitoring at a port module external to the network terminal, and (b) outputs the at least one wavelength to an output of the at least one network terminal.

Procedures, apparatuses, systems, and computer programs for providing optical network channel protection

A network element includes first and second multiplexers, first and second interfaces, and first and second selecting units. The multiplexers are communicatively coupled. The first interface is communicatively coupled to the first multiplexer and configured to receive multiplexed signals. The second interface is communicatively coupled to the second multiplexer and configured to receive multiplexed signals. The first selecting unit is communicatively coupled to the first and second multiplexers and configured to select between a signal received from the first multiplexer and a signal received from the second multiplexer. The second selecting unit is also communicatively coupled to the first and second multiplexers and configured to select between a signal received from the first multiplexer and a signal received from the second multiplexer.

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Shanghai, China

Peigang Hu