| 摘要 |
<p>Electrical connector assembly (2) comprises a plug (4) and a receptacle (6). A primary keying system (78, 84) is provided which permits insertion of the plug (4) into the opening (52) of the receptacle (6) but which precludes insertion of a similar, but more narrow, plug (4) into the opening (52). A secondary keying system (86, 88) is provided for specifically keying the plug (4) and a receptacle (6) to each other and prevents insertion of another properly sized plug (4) into the opening (52). The primary keying system (78, 84) is advantageous when a series or family of connector assemblies (2) are produced with the different assemblies of the family being generally similar but having increasing numbers of terminals (62) and therefore increasing width. The plug (4) and receptacle (6) can be provided with sheet metal shielding enclosures (98, 100).</p> |
