The connectors can be distinguished by the shape of the shell: the shell of the EVC connector is shaped like an isosceles trapezoid, similar to the shell of a D-subminiature connector, while the P&D connector instead has a "D"-shaped shell, similar to a DVI connector.
The connectors can be distinguished by the shape of their casing: the casing of the EVC connector is shaped like an isosceles trapezoid, comparable to the casing of a D-subminiature connector, whereas the P&D connector instead has a "D"-shaped casing, similar to a DVI connector.