Method for remotely powering at least one board or card interconnected with an other board or card

摘要

The present invention concerns a method for remotely powering at least one board or card interconnected with an other board or card, via a link point to point comprising at least two pairs of wires or lines, said cards or boards being mounted in a common backpanel and said other board or card incorporating a power source and/or being connected to an external power source, characterised in that electrical power is supplied over said linking wires or lines (4, 5) by means of a phantom circuit using both pairs of wires or lines (4 and 5).