A modular jack (41) in which a modular plug (75) is plugged, comprises a housing body (42) including a cavity (52) at a front side thereof in which the modular plug (75) is plugged and a rear wall (56) having openings (57 and 58) and fixed portions (59 and 60), and a plurality of terminals (43-50) fixed...http://www.google.de/patents/US6776667?utm_source=gb-gplus-sharePatent US6776667 - Modular jack