| 摘要 |
PURPOSE:To connect optical cores easily without the need for an operator and facilities at a photodetection point by returning and connecting adjacent optical cores of two optical cables to be connected together at external terminals (opposite to connection terminal). CONSTITUTION:Optical cores 12A of the optical cables 10A and 10B are inserted into a fusion connecting machine 18, and an LED light source 20 is connected to the external terminal of the optical core 12A of the optical cable 10A to make light incident; and the light passes through the abutting part of the optical cores 12A of the optical cables 10A and 10B and is fed back through the return point 13D of the optical cable 10B. Its light output is inputted to an output meter 22. When those two corresponding optical cores 12A are aligned to each other, the light output has a maximum level, so the fusion connecting machine 18 aligns and connects the optical cores 12A at the optimum abutting position. Similarly, fusion connections are made. Consequently, special return connecting operation is unnecessary and the need for an operator and special facilities at the return point is eliminated. |
