Patent ID: 8177586

Claim:
A connector system comprising: a plurality of connectors; each of said connectors having a first plug and a second plug as a counter plug for said first plug; each of said first plugs having a plurality of first receptacles for contacts; each of said second plugs having a plurality of second receptacles for counter contacts; at least one of said first receptacles of each of said first plugs having a first contact mounted therein; at least one of said second receptacles of each of said second plugs assigned to said one of said first receptacles having a second contact mounted therein as a counter contact to said first contact; at least one of said first receptacles of the first plug of said at least one of said connectors being without a first contact; the one second receptacle of the second plug of said one connector corresponding to said one first receptacle having a coding element for blocking the insertion of a contact into said one second receptacle; and, said coding element being held on one of said second contacts mounted in the corresponding second receptacle of the second plug.