| 摘要 |
PURPOSE:To cancel a ledger when a transaction is not established by providing a serial number counter to manage serial numbers in a terminal equipment, providing a processed serial number storage area in a host computer, and comparing the value of the serial number counter included in an edited telegraphic message with a processed serial number stored in the processed serial number storage area. CONSTITUTION:When the report of showing the transaction is not established, is not transmitted from an ATM (automatic teller machine) to a host computer 12, a cancel processing is executed by inspecting the serial number when executing the transaction later, and when the final transaction of one day is abnormally finished and the reports showing the transaction is not established is not transmitted to the host computer 12, a station closing telegraphic message or a precise inspection instructing / precise inspection responding telegraphic message is transmitted and received without fail before stopping the operation of the ATM. Thus, even when the telegraphic message showing that the transaction is not established does not arrive at a cancel processing part 1210 of the host computer 12 because of a communication line fault or the like, the cancel processing can be executed without fail when executing the next transaction. |
