Method for establishing a communication on a standby link in optical transmission facilities

A method for standby switching in optical transmission devices is provided, wherein, in addition to a working signal and a protection signal, respective control signals with information concerning the allocation state are transmitted and evaluated at the receiving end. The control signals are transm...

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Bibliographische Detailangaben
Hauptverfasser: Jahreis, Oliver, Heiles, Jürgen
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for standby switching in optical transmission devices is provided, wherein, in addition to a working signal and a protection signal, respective control signals with information concerning the allocation state are transmitted and evaluated at the receiving end. The control signals are transmitted via a monitoring channel even when the useful signal is switched off.