SUBMARINE BRANCHING UNIT, AND CONTROL METHOD

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SUBMARINE BRANCHING UNIT, AND CONTROL METHOD

This abstract first appeared for US patent application 18690284 titled 'SUBMARINE BRANCHING UNIT, AND CONTROL METHOD

Original Abstract Submitted

An object of present disclosure is to provide a submarine branching unit, a control method, and a non-transitory computer readable medium capable of implementing path switching of optical cables by using a smaller number of optical switches. A submarine branching unit according to the present disclosure includes: first to third optical switches each including first to fourth terminals; and a control unit configured to control a connection of each of the first to third optical switches to a vertical connection or a horizontal connection based on a specified connection state, in which: the first terminal of the first optical switch is connected to an input of a first line of a first path; the second terminal of the first optical switch is connected to the first terminal of the third optical switch.