| 摘要 |
A system, a method, a program product, and an apparatus for managing equipments are provided in which the management can properly be carried out even if a series of data are received in a reverse of the order of transmission. Upon receiving from a center a current mail carrying a command, a data terminal 1 for monitoring a copier compares the date- 1 of the current mail with the date- 2 of the latest of the previous mails carrying the same type of commands (S 803 ). When the date- 1 is later than the date- 2 , an action determined by the command carried in the current mail is performed (S 811 ). If the date- 1 is not later than the date- 2 , the current mail is discarded and the discarding is informed to the center (S 821 ).
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