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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Format: | Patent |
Sprache: | eng |
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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. |
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