| 摘要 |
PURPOSE:To simplify the maintenance and repair, by enabling to operate processors from a remote location via an audio coupler through change-over. CONSTITUTION:A processor 1 is kept to be operated with a change-over section 4 by the 1st operation board 6 normally. If any failure takes place, the cange-over section 4 is operated to change-over an audio coupler side 7. The processor 1 is connected to the 2nd operating board 11 in a support center via an audio coupler 7. Since telephone lines can be employed for the lines between the processor 1 and the support center, the service to the user at a remote location is performed simply. |
