Enter the characters you see below Sorry, we just need to make sure you’re not a robot. For the trade union in New York, see District Council 37. The D-subminiature or D-sub is a common d&d portable hole 3.5 of electrical connector.
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They are named for their characteristic D-shaped metal shield. When they were introduced, D-subs were among the smallest connectors used on computer systems. A D-sub contains two or more parallel rows of pins or sockets usually surrounded by a D-shaped metal shield that provides mechanical support, ensures correct orientation, and may screen against electromagnetic interference. The part containing pin contacts is called the male connector or plug, while that containing socket contacts is called the female connector or socket. The D-sub series of connectors was introduced by Cannon in 1952. Later D-sub connectors added extra pins to the original shell sizes, and their names follow the same pattern. For example, the DE-15, usually found in VGA cables, has 15 pins in three rows, all surrounded by an E size shell.