System for interconnection between electronic boards

The present invention relates to an interconnection system for connecting two electronics cards together, wherein the system includes first and second subassemblies including housings each receiving at least one connector, the first and second subassemblies being configured for fastening to first and second electronics cards respectively; and a coupling, third subassembly including housings receiving connector couplings, said connector couplings being configured to couple the connectors of the first subassembly with the connectors of the second subassembly; the third subassembly being configured to be placed between the first and second subassemblies.