| 摘要 |
An optical transmitter system for supplying a plurality of different wavelength optical radiation components (.lambda.1 to .lambda.n) to a transmission element (2), which, in operation, is connected to the transmitt er system for conveying the different wavelength radiation components to a respective receiver (11), is disclosed. The transmitter system comprises mea ns for detecting a loss of a wavelength radiation component at the respective receiver (11) and means (9) for interrupting the supply of the wavelength component in response to a detection of loss of the wavelength component at the receiver. The transmitter system is characterised by timing means (10) capable of providing respective restart times (t1 to tn) which differ one to another for the wavelength radiation components, and means (9) for restartin g the supply of the wavelength component, following an interruption, at the restart time provided by the timing means.
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