| 摘要 |
PURPOSE:To prevent the malfunction of a remote controller by utilizing a shared remote controller which is capable of using for the both of a radio system and a wire system. CONSTITUTION:A light receiving window 1 covers the opening part of an equipment case 2 by a member selectively transmitting the light of a specified wavelength. A light guide 3 provided with two routes where light advances is provided on the inside of the opening part. One end of the one route of the light guide 3 is connected with the light receiving window 1, and the one end of the other route is connected with a first receptacle 4 for connecting with the plug 11 provided on the both ends of an optical fiber 10 provided on the another opening part of the equipment case 2, the other ends of the two routes become one by connecting with each other, and the end part 5 of the light guide 3 is installed toward the light receiving surface of the photo diode of a photo amplifier part 6. On the plug 11, a shield plate 7 is mounted to cover the light receiving window 1. |
