| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-cost structure of an optical loop back connector having good handling property. SOLUTION: The optical loop back connector is equipped with a ferrule having a plurality of input and output parts 3 for light, and the ferrule 1 is coupled with fitting pins to an optical receptacle of an optical transceiver having the plurality of input and output parts for light so as to return a light signal outputted from the input and output parts for light of the receptacle of the optical transceiver to other parts of the receptacle. In the connector, a light guide mechanism 9 including input and output lens faces 4, 5 and reflection planes 6, 7 connecting the input and output lens faces 4, 5 to reflect the light signals is formed from a transparent material into one body in the input and output parts of the ferrule 1.
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