The field of the invention is that of connector sockets for electronic boards providing both electrical and optical connection. These connectors are more specifically dedicated to aeronautical applications. The invention relates to a connector socket for an electronic board comprising a mechanical frame, electrical contacts and at least one rigid optical contact placed in a seat of the mechanical frame, the optical contact being essentially comprised of one or two optomechanical ferrules. The inventive socket makes it possible to avoid the use of linking optical fibers between the socket and the optoelectronic conversion modules, while eliminating the drawbacks of integrating of optoelectronic conversion devices in the socket.