| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical transmitter-receiver and a method for conforming the connection of an optical fiber with the optical transmitter- receiver by which connection of the optical fiber (confirmation of a broken fiber) is confirmed surely, regardless of the presence of a 1st optical signal and a 2nd optical signal data. SOLUTION: These optical transmitter and optical receiver sets 1a and 1b respectively are connect to an optical fiber 2 as a communication line in an optical communication circuit to make a 1st optical signal L1 frying to be sent incident on the optical fiber 2 and to receive a 2nd optical signal L2 sent via the optical fiber 2, and comprises a transmission section 1a-1 that makes the 1st optical signal L1 and a 1st connection confirmation signal R1 incident on the optical fiber 2, a reception section 1a-2 that receives the 2nd optical signal L2 and a 2nd connection confirmation signal R2, and a connection monitor section that inhibits the incidence of the 1st optical signal L1 and a 1st connection confirmation signal R1 on the optical fiber 2, when the connection of the optical fiber 2 is not confirmed based on the reception state with a 2nd connection conformation signal R2 at the reception section 1a-2. |
