| 摘要 |
An optical fiber connector assembly (10) comprises an insulating housing (100) formed from two complementary upper cover (101) and lower base (102) suitably locked together to form the hollow housing (100). Within the housing (100) is formed at least one ferrule-receiving trough (103) adapted to receive a ferrule (400) for securing an optical fiber cable to the housing (100). Formed in the housing (100) is a passageway (105) for receiving a hollow retention bolt (200) through which the optical fiber cable enters the housing (100). A multi-faceted mode-marking key element (300) is provided independently nested with an interference fit in an appropriate recess, i.e. cavities (104, 104'), within the housing (100) between the cover (101) and the base (102). The key element (300) is of a parallelepiped form having four different structural surfaces (A, B, M, S) which surround a horizontal axis which is perpendicular to the rest two side surfaces (301). These four different surfaces (A, B, M, S) define four different keyways (311, 312, 313, -) to accommodate four different key projections of other four receptacle connectors under the condition of one-to-one at a time.
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