... part-numbering system uses a D as the prefix for the whole series, followed by a letter denoting ... by the gender (P=plug, S=socket).[2] For example, DB25 denotes a D-sub with a 25 ... of the normal pin positions that could be used for either high-current, high-voltage, or co-axial ... this variant provided 10 regular (20) pins plus three coaxial contacts for the red, green, and blue video signals. Hybrid ...