Rs-232 To Rs-422 Serial Converter Asking For Wire Connection Diagram Of RS-232, RS-422 And RS-485?

Asking for wire connection diagram of RS-232, RS-422 and RS-485? - rs-232 to rs-422 serial converter

anyone knows the circuit diagram of an RS-232, RS-422 and RS-485 please tell me. If possible, could you tell me the circuit. (Cable connection) Thanks