Patent ID: 11888524
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The communication device according to claim 1, wherein the control unit executes any of
processing of forwarding the control signal toward the second or third optical line terminal to which an identifier same as a virtual local area network (VLAN) identifier allocated to the first transmission-reception unit having acquired the control signal or the first optical line terminal is allocated or toward the second transmission-reception unit connected with the second or third optical line terminal to which an identifier same as the VLAN identifier allocated to the first transmission-reception unit or the first optical line terminal is allocated, based on the VLAN identifier, and
processing of forwarding the control signal toward the first optical line terminal to which a VLAN identifier same as a VLAN identifier allocated to the second transmission-reception unit having acquired the control signal or the second optical line terminal is allocated or toward the first transmission-reception unit connected with the first optical line terminal to which an identifier same as the VLAN identifier allocated to the second transmission-reception unit or the second optical line terminal is allocated, based on the VLAN identifier.