The present disclosure relates to a piece of electronic equipment for the replication of ports and the routing of digital signals, intended for secure environments for concentrating signals coming from a plurality of pieces of measuring equipment, as well as communication with a piece of supervising equipment. The equipment includes: —N ports whereof M ports are electrically insulated by optoelectronic coupler, N being an integer greater than or equal to 1, and M being an integer between N−1 and N, —a radiofrequency interface with a matched piece of supervising equipment, —a processor performing a protocol conversion between the radiofrequency protocol and the protocol of the ports.
