| 摘要 |
The purpose of the present is to provide a light path by mixing the light emitted form a communication device or a telephone company with a test light by using a light mixing device. According to one embodiment of the present invention, a real-time light signal detection system includes a light input part (110), a light mixing device (100), a coupler (200), a splitter (300), reflection filters (400), and a failure determination terminal (500). [Reference numerals] (110) Light input unit;(120) WDM for synthesis;(300) Splitter;(510) WDM for reflection detection;(520) Failure determination unit;(AA) Telephone office |
