A smart powering and pairing system comprising: a power conversion unit, PCU, configured to power a plurality of electronic devices (120, 130) and to communicate with at least two of the plurality of electronic devices (120, 130); the PCU being further configured to: detect a power connection between a first device among the at least two of the plurality of electronic devices and the PCU; after detecting the power connection, establish a first communication link between the PCU and the first electronic device (120, 130); after establishing the first communication link, receive pairing information from the first electronic device (120, 130); after receiving the pairing information, establish a second communication link between the PCU and a second electronic device (120, 130) among the at least two of the plurality of electronic devices; and use the pairing information to pair the second electronic device to the first electronic device; wherein if the pairing information comprises an identity description, using the pairing information to pair the second electronic device to the first electronic device comprises: requesting, by the PCU, an identity description from the second electronic device (120, 130) and comparing it to the identity description transmitted by the first electronic device (120, 130); if the identity descriptions match, then transmitting, by the PCU, first security data generated by the PCU to the first and second electronic devices (120, 130), the first security data being used to pair the second electronic device (120, 130) to the first electronic device (120, 130); and if, instead of an identity description, the pairing information transmitted by the first electronic device (120, 130) comprises second security data, using the pairing information to pair the second electronic device (120, 130) to the first electronic device comprises retransmitting the second security data by the PCU to the second electronic device (120, 130), the second security data being used to pair the second electronic device (120, 130) to the first electronic device (120, 130). detect a power connection between a first device among the at least two of the plurality of electronic devices and the PCU; after detecting the power connection, establish a first communication link between the PCU and the first electronic device (120, 130); after establishing the first communication link, receive pairing information from the first electronic device (120, 130); after receiving the pairing information, establish a second communication link between the PCU and a second electronic device (120, 130) among the at least two of the plurality of electronic devices; and use the pairing information to pair the second electronic device to the first electronic device; wherein if the pairing information comprises an identity description, using the pairing information to pair the second electronic device to the first electronic device comprises: requesting, by the PCU, an identity description from the second electronic device (120, 130) and comparing it to the identity description transmitted by the first electronic device (120, 130); if the identity descriptions match, then transmitting, by the PCU, first security data generated by the PCU to the first and second electronic devices (120, 130), the first security data being used to pair the second electronic device (120, 130) to the first electronic device (120, 130); and if, instead of an identity description, the pairing information transmitted by the first electronic device (120, 130) comprises second security data, using the pairing information to pair the second electronic device (120, 130) to the first electronic device comprises retransmitting the second security data by the PCU to the second electronic device (120, 130), the second security data being used to pair the second electronic device (120, 130) to the first electronic device (120, 130). requesting, by the PCU, an identity description from the second electronic device (120, 130) and comparing it to the identity description transmitted by the first electronic device (120, 130); if the identity descriptions match, then transmitting, by the PCU, first security data generated by the PCU to the first and second electronic devices (120, 130), the first security data being used to pair the second electronic device (120, 130) to the first electronic device (120, 130); and if, instead of an identity description, the pairing information transmitted by the first electronic device (120, 130) comprises second security data, using the pairing information to pair the second electronic device (120, 130) to the first electronic device comprises retransmitting the second security data by the PCU to the second electronic device (120, 130), the second security data being used to pair the second electronic device (120, 130) to the first electronic device (120, 130).