Converts any DB37 cable or port with male connector into a DB37 female. It is only 0.25 Inches thin with secure connection. This slim gender changer allows mismatched cable to connect and is panel mountable for wallplate applications. The low profile design reduces strain on computer ports and patented design provides better insulation and resistance improving its electrical properties. Works with any DB37 applications such as RS449 serial and SCSI. (Connectors: DB37 Female to Female)