Coding device for printed circuit cards which can be inserted into a printed circuit card rack

摘要

A coding device for printed circuit cards which are insertable into a printed circuit card rack wherein coding elements 3 are provided at the front upper and lower horizontally mounted subracks of a printed circuit card rack between the guide rails 2 and the coding elements comprise slots 4 which extend parallel to the guide rails 2. Webs 7 and 8 corresponding to the slots 4 are applied to the upper and lower end faces of the plug connection connector 5 as cooperating coding elements so as to provide that coding occurs as soon as the individual printed circuit cards are introduced into the rack.