| 摘要 |
<p>PURPOSE: To shorten communication line occupying time and to save charges by connecting a communication line only while transmitting maintenance information gathering procedure information and while transmitting maintenance information. CONSTITUTION: A maintenance information analysis part 17 supplies information gathering request signals (1) to a maintenance information gathering procedure origination part 16 and the origination part 16 reads maintenance information gathering procedure management data (f) including a command for gathering the maintenance information and line connection destination information, etc., from a gathering procedure management information storage part 15 and transmits them to a transmission/line control part 12. The control part 12 sends line control signals (h) to a modem part 11 and transmits maintenance information gathering procedure data (i) through the modem part 11 to the maintenance information gathering device of a remote location by a telephone channel 5. Then, when the transmission of the date (i) is completed, the line is disconnected. The maintenance information gathering device of the remote location gathers the maintenance information of a device to be maintained based on the data (i) connects the line and transmits maintenance information data (j) to a maintenance information gathering procedure analyzing device 4.</p> |
