What is a POS cash register?

Pos is mainly a financial instrument for settlement.

There are two main types, one is to pay by credit card, that is, to swipe money from the customer's credit card without paying cash and the bank distributes it to the merchants. Charging terminals in shopping malls also have a general name. This POS machine is installed in the checkout counter of shopping malls and supermarkets for checkout processing, and is an important part of shopping mall management system.

POS system was first used in retail industry, and then gradually extended to other service industries, such as finance and hotels. The application scope of POS system also ranges from enterprise internal expansion to the whole supply chain. POS is a multifunctional terminal. It can be installed in special merchants and acceptance outlets of credit cards, and connected with computers to realize automatic transfer of electronic funds. It has the functions of supporting consumption, pre-authorization, balance inquiry and transfer, and is safe, fast and reliable to use.

Principle of pos machine

The basic principle of POS system is to create commodity data in a computer file, directly read the barcode on the commodity through the online structure of the computer cash register and the optical reading equipment on the cash register equipment, and then display the commodity information immediately, thus speeding up the cash register speed and correctness. The detailed information of each commodity sale is automatically recorded and then sent back to the computer by the online framework. Through computer calculation and processing, various sales statistics and analysis information can be generated as the basis for management.

The POS machine can read the magnetic stripe information on the cardholder's bank card through the card reader, the operator of the POS machine inputs the transaction amount, the cardholder inputs the personal identification information, and the POS machine sends these information to the issuing bank system through the UnionPay center to complete the online transaction, give the information of success or failure, and print the corresponding bill.