Patent ID: 11923968
Assignee: FUJITSU LIMITED
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. An optical transmission system where a first optical transmission device transmits a frame to a third optical transmission device via a second optical transmission device, wherein
the first optical transmission device includes
a first signal processor configured to accommodate a client signal into one or a plurality of time slot sequences among n time slot sequences,
a first frame generator circuit configured to generate a frame including the client signal accommodated into a part of time slot sequences among the n time slot sequences,
a second frame generator circuit configured to generate a frame including the client signal accommodated into other time slots sequence among the n time slot sequences, and
a memory configured to store first time slot configuration information indicative of time slot sequences for accommodating the client signal when the first frame generator circuit and the second frame generator circuit are implemented, and second time slot configuration information indicative of time slot sequences for accommodating the client signal when the first frame generator circuit is not implemented and the second frame generator circuit is implemented,

the first signal processor accommodates the client signal into one or a plurality of time slot sequences according to the first time slot configuration information, when the first frame generator circuit and the second frame generator circuit are implemented,
the first signal processor accommodates the client signal into one or a plurality of time slot sequences according to the second time slot configuration information, when the first frame generator circuit is not implemented and the second frame generator circuit is implemented,
a bandwidth of the frame generated by the second frame generator circuit when the first frame generator circuit is not implemented and the second frame generator circuit is implemented is equal respectively to a bandwidth of the frame generated by the first frame generator circuit and a bandwidth of the frame generated by the second frame generator circuit when the first frame generator circuit and the second frame generator circuit are implemented,
the first optical transmission device transmits the first time slot configuration information and the second time slot configuration information to the second optical transmission device, when the first frame generator circuit is not implemented and the second frame generator circuit is implemented,
the second optical transmission device includes a second signal processor configured to accommodate a client signal into n time slot sequences, and
when the first frame generator circuit is not implemented and the second frame generator circuit is implemented, the second signal processor acquires a client signal from a received signal based on the second time slot configuration information, and accommodates the acquired client signal into the n time slot sequences based on the first time slot configuration information.