Rapid resumption of a power supply via a data link after power outage

A method for operating an apparatus enabled to provide power to a powered device via a wired data link for connecting the apparatus and the powered device, the method comprising:

• providing the power to the powered device in accordance with a configuration determined based on at least one parameter transmitted by the powered device via the wired data link during a probing phase in a first power cycle,
• storing an information about the configuration in a memory of the apparatus;
• controlling the apparatus on the basis of the stored information to provide power to the powered device in a subsequent power cycle following a power outage in accordance with the configuration determined based on the at least one parameter transmitted by the powered device via the wired data link during the probing phase in the first power cycle, such that the probing phase is dispensed with in the subsequent power cycle;
• and
• detecting an interruption of the connection between the apparatus and the powered device during the power outage, the detecting comprising:
• receiving a connector, by a push contact arranged at a socket, to establish the wired data link to the powered device, the push contact being in a first position when the connector is plugged into the socket and being in a second position when no connector is plugged into the socket, and
• memorizing a movement of the push contact from the first to the second position and/or from the second to the first position during the power outage.

A non-transitory computer-readable medium comprising computer program code executable in a processing unit of an apparatus enabled to provide power to a powered device via a wired data link for connecting the apparatus and the powered device, the computer program code, when executed in the processing unit, causing the processing unit to carry out a method comprising:

• providing the power to the powered device in accordance with a configuration determined based on at least one parameter transmitted by the powered device via the wired data link during a probing phase in a first power cycle,
• storing an information about the configuration in a memory of the apparatus;
• controlling the apparatus on the basis of the stored information to provide power to the powered device in a subsequent power cycle following a power outage in accordance with the configuration determined based on the at least one parameter transmitted by the powered device via the wired data link during the probing phase in the first power cycle, such that the probing phase is dispensed with in the subsequent power cycle;
• and
• detecting an interruption of the connection between the apparatus and the powered device during the power outage, the detecting comprising:
• receiving a connector, by a push contact arranged at a socket, to establish the wired data link to the powered device, the push contact being in a first position when the connector is plugged into the socket and being in a second position when no connector is plugged into the socket, and
• memorizing a movement of the push contact from the first to the second position and/or from the second to the first position during the power outage.