| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical path testing device and an optical path testing method capable of shortening testing time, and time since failure declaration till responce. <P>SOLUTION: An optical path testing device 301 has a port 51 to which an OTDR 31 is connected; a port 52 to which an OPM 32 is connected; a port 53 multiplexing light from the port 51 and light from the port 52 and output that; an optical multiplexer/demultiplexer 45 for demultiplexing light inputted from the port 53 into light including wavelength λ1 and light including wavelength λ2 and respectively outputting those to the port 51 and the port 52; an optical coupler 16 disposed on an optical fiber 103, and having a first port for inputting/outputting light to/from an ONU 112 side and a second port for inputting/outputting the light to/from an OLT 111 side; and a fiber selector FS15 for switching a connecting destination of the port 53 of the optical multiplexer/demultiplexer 45 to either one of the first port or the second port. <P>COPYRIGHT: (C)2012,JPO&INPIT |
