METHODS AND APPARATUS FOR DETECTING A FAULT IN AN OPTICAL COMMUNICATION NETWORK

METHODS AND APPARATUS FOR DETECTING A FAULT IN AN OPTICAL COMMUNICATION NETWORK

An apparatus (20) is configured as a remote unit for communication with a main unit (10) in an optical communication network (30), wherein the main unit and remote unit are configured to detect a fault in the optical communication network. The apparatus comprises a modulation converter (22;62) confi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAGRI, Roberto, DEHO, Alberto
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING
TRANSMISSION
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Beschreibung
Zusammenfassung:An apparatus (20) is configured as a remote unit for communication with a main unit (10) in an optical communication network (30), wherein the main unit and remote unit are configured to detect a fault in the optical communication network. The apparatus comprises a modulation converter (22;62) configured to receive a first optical signal from the main unit on the optical communication network, wherein the first optical signal has a first modulation type. The modulation converter is configured to convert the first optical signal having the first modulation type to a second optical signal having a second modulation type. The second modulation type is different to the first modulation type. The modulation converter (22;62) is a passive device. The apparatus is configured to send the second optical signal having the second modulation type to the main unit (10) using the optical communication network (30).