How much do you know about ATM machines


ATM is a very simple machine. This machine has a heavy insurance steel armor, which is thicker than a normal safe. After all, this thing contains cash, and safety comes first. After opening the door with the password and the key, you can see that the inside is divided into upper and lower layers. The upper layer has an ordinary computer host, external display with the screen, card reader, printer, printing roll paper, etc. On the lower level are several small metal boxes, these small boxes are for cash, and there is also a waste banknote box.
When the customer withdraws money, insert the card to activate the ATM work. ATM first reads the magnetic stripe information of the inserted card. After reading the qualified magnetic stripe information, it prompts to enter the password and withdrawal amount. For the ATM machine, any content entered by the customer is ignored. It is only responsible for the withdrawal instruction together with the card number. Information such as, password, etc. will be sent to the background of the bank’s computer center for verification. After the verification is passed and a series of accounting processing is performed, the computer center backstage sends a "payment" instruction to the ATM, and the ATM performs currency counting, currency verification, and currency dispensing operations according to the instructions. After the customer takes the money from the cash outlet, The operation is complete. If the customer does not take the money for a certain period of time, the money will be automatically returned to the waste box.

Banks have a complete set of management systems and measures for ATMs. For example, after ATMs are loaded, staff must withdraw and inquire about ATMs to prevent equipment failures. Every day, the ATM shall be processed in the accounting period, and the flow records and cash receipts and payments of the self-service equipment shall be checked during the check period.