| 摘要 |
PURPOSE:To simplify the relay/changeover/priority transmission control of data and the managing function by switching an optical signal transmitted in an optical transceiver of a system transmitting data by means of light and identifying a received optical signal. CONSTITUTION:The transceivers 20-22, 24 are constituted so that an optical signal transmitted from them is changed over to identify the wavelength of the received optical signal. The optical transceivers 20-22, 24 are coupled to a photocoupler 23 by optical fiber calbes 26-29 so that the transmitted optical signal of the optical transceivers 20-22, 24 is received by any device other than the optical transceivers 20-22, 24. The switching control of the output wavelength of a driver and the identification of the input wavelength to a receiver are performed by the optical transceivers 20-22, 24 and transmission controllers 17-19, 25 connected to them. |
