To easily attach and detach optical connectors supporting optical cables to and from a base and to simplify the structure by supporting a 1st optical cable by a 1st connector and plural 2nd optical cables by a 2nd connector and providing an optical detector, a branch line, and light signal generation parts.
The optical detector 40 is coupled with the 1st optical connector 10 and receives a light signal, converts the light signal into an electric signal, and outputs it. The optical detector 40 is coupled with one end of the branch line 55 which makes the signal into plural electric signals, and the other end of the branch line 55 is coupled with plural light signal generation parts. The light signal generation parts convert inputted electric signals to light signals and outputs them to the 2nd optical cables 25 and 35, and are composed of driving parts 61 and 63 which generate drive signals according to the inputted electric signals and light emission part 62 and 64 which are driven with the drive signals to generate the light signals. The 2nd optical cables 25 and 35 are supported by the 2nd optical connectors 20 and 30 and coupled with the light signal generation parts.
SHIN HYUN-KUK
KIM BOM-SU
IN ORITSU
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