Optical-fibre telecommunication line with optical...

Details Optical-fibre telecommunication line with optical... Optical-fibre telecommunication line with optical...

H - Electricity

04

B

H04B 10/12 (2006.01) H04B 10/08 (2006.01) H04B 10/17 (2006.01)

Patent

CA 2062664

The telecommunication line comprises at least one terminal station having an optical-signal transmitter and an optical-signal receiver, which are operationally connected by an automatic protection device suitable for shutting down said transmitter in the absence of a received optical signal, at least one opticalfibre line for the transmission of the optical signals transmitted by said transmitter and received by said receiver, and at least one optical amplifier included in said line. With said optical amplifier there are associated means for the detection of the presence of light energy at input and means for causing the shut down of the amplifier, which in the absence of light energy at input are caused by said detection means to interrupt substantially any emission of light energy on the part of said optical amplifier.

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