| 摘要 |
An optical connector that is optically connected to another optical connector inside a connector adapter includes: a housing that receives a ferrule; and plural first keys that protrude from an outer surface of the housing and that extends in a coupling direction. Here, at least one of the plural first keys is disposed outside two points corresponding to both ends in the width direction of a key groove of a standardized connector adapter. At least one groove formed between the plural first keys is disposed inside two points corresponding to both ends in the width direction of a key of a standardized optical connector.
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