CDCJ21P CDCJ21P Feature DC jack (2.1 mm) to Pin Connectors Examples of Use Conversion from DC jack (2.1 mm) to Pin Connectors Product Attributes SeriesMED CC1st ConnectorDC jack (2.1 mm) [PDF] (MJ077N)Center Pin : Red WireSleeve : Black wire2nd ConnectorPin Connectors [PDF]Length150 mm