Description

DE-9S is a type of connector used for serial communication in electronic and computer systems. It has nine pins arranged in two rows, with the size and shape of the connector often resembling an elongated rectangle. The DE-9S connector is commonly used in applications such as RS-232 communication, data acquisition systems, and testing equipment. It has been replaced by smaller connectors with more pins and faster transfer rates, such as USB and HDMI, but is still used in some legacy equipment.