FIELD: computer- aided data transmission. SUBSTANCE: data are transmitted from first terminal to first microcomputer system assigned directly to first terminal so that data are processed in first microcomputer system and conveyed either directly or in a certain time interval over data transmission line to microcomputer system assigned directly to second terminal so that data are processed in second microcomputer system and conveyed either directly or in a certain time interval to second terminal; microcomputer systems receive, convey, save, or process data irrespective of operating condition of first or second terminal. EFFECT: provision for manual and automatic data transmission so that data can be sent to terminal even when the latter is off. 23 cl, 4 dwg
