VOLTAGE-CURRENT PROFILE BASED START-UP OF POE DEVICES

The present invention relates to fast start-up of powered devices (22) connected to a power sourcing equipment (10′) in a Power over Ethernet system (100). A stored voltage-current profile of an initial powering phase of a powered device (22) is provided. A voltage level provided to the powered devi...

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Bibliographic Details
Main Authors WENDT, Matthias, SIRAJ, Muhammad Mohsin
Format Patent
LanguageEnglish
French
German
Published 21.12.2022
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:The present invention relates to fast start-up of powered devices (22) connected to a power sourcing equipment (10′) in a Power over Ethernet system (100). A stored voltage-current profile of an initial powering phase of a powered device (22) is provided. A voltage level provided to the powered device (22) in a subsequent initial powering phase of the powered device (22) is adjusted as long as a value corresponding to a current voltage level of a voltage-current profile of the subsequent initial powering phase deviates less than a predetermined threshold level from its corresponding value of the stored voltage-current profile of the initial powering phase of the powered device (22) and until a predetermined voltage level is reached. This can allow detecting whether a previously connected powered device (22) was replaced by another powered device (22) and to immediately start-up an unchanged powered device (22) with previously used operation parameters.
Bibliography:Application Number: EP20210703037