DIN is short for
Deutsches Insitut für Normung eV, the
standards -setting organization for Germany. A DIN connector is a
connector that conforms to one of the many standards defined by DIN. DIN connectors are used widely in
personal computers. For example, the
keyboard connector for
PCs is a DIN connector.
DIN 41612 connectors are used widely to connect network equipment, such as routers and switches.