There is a difference between the pos machine and the card reader on the cash register.

POS (Pointofsales) Chinese means "sales point", the full name of the point of sale information management system, is a bar code or OCR code terminal reader, with cash or barter cashier function. Its main task is to provide data services and management functions for commodity and media transactions, and to conduct non-cash settlement.

POS is a multi-functional terminal. It can be installed in the special merchants of credit cards and the receiving network to connect with the computer to realize the automatic transfer of electronic funds. It has the functions of supporting consumption, pre-authorization, balance inquiry and transfer, etc. It is safe, fast and reliable. The basic business intelligence in large-scale transactions is difficult to obtain, and the introduction of POS system is mainly to solve the blind spot of information management in retail industry. An important part of the chain management information system.

The basic principle of the POS system is to first create the product data in the computer file. Through the online structure of the computer cash register, the bar code on the product can be read directly through the optical reading device on the cash register device (or directly input the code by the keyboard). Product information (unit price, department, discount...) can be displayed to speed up the cash register speed and correctness. The detailed sales information (sale price, department, time slot, customer level) of each product is automatically recorded and transmitted back to the computer by the online architecture. Through the computer calculation processing, various sales statistical analysis information can be generated as the basis for business management.

The POS machine reads the cardholder magnetic stripe information on the bank card through the card reader, and the POS operator inputs the transaction amount, and the cardholder inputs the personal identification information (ie, the password), and the POS passes the information through the UnionPay center and sends the information. The issuing bank system completes the online transaction, gives information on the success or failure, and prints the corresponding ticket. The application of POS realizes online consumption of bank cards such as credit cards and debit cards, ensuring the security, speed and accuracy of transactions, avoiding complicated labor such as manual blacklisting and pressing, and improving work efficiency.

By communication

1. The advantages of fixed POS machine are: 1. Software upgrade and maintenance are relatively easy; 2. Network dialing mode, dialing speed is fast; 3. POS transaction clearing is relatively easy; disadvantages are: need to connect operation, guests need to pay the bill at the cashier. Merchants who apply to integrated retrofit projects.

2. The advantages of wireless POS machine are: 1. Wireless operation, free form of payment place; 2. Small size; disadvantages: 1. Unstable communication signal; 2. Data is easy to lose; 3. High cost. Applicable is the type of merchant that is received at the guest's residence.

After the store accepts the customer's credit card, it will pay a fee of two to three percent to the bank and credit card center. It is called a credit card fee. In November 2012, the central bank issued the "Notice of the People's Bank of China on Effectively Adjusting the Implementation of the Bank Card Fees Fee Adjustment Standards", saying that the fee reduction was only related to the consumption transactions of domestic bank cards, and the merchants in 2003 implemented the card-sweeping procedures. The fee regulations have been abolished since February 25, 2013. The overall rate of credit card is reduced by 23% to 24%.

The special store accepts a fee of two to three percent to the bank and credit card center after accepting the customer's credit card. In order to save costs, some manufacturers will require the cardholder to pay a separate fee, because the card must be opened to make the store unable to evade taxes.

According to the current “China Banking Union Institutions Bank Card Interbank Trading Income Distribution Method”, the settlement fees for bank card acquiring business are all borne by the merchants, but the rates implemented by different industries are different, and the rate standards are from 0.5% to 4%. Not waiting. In general, the retail card processing fee rate is 0.8%-1%, the supermarket is 0.5%, and the restaurant industry is 2%.

However, the magnetic stripe card reader and smart magnetic stripe card reader are installed on the cash register, which is cost-effective and compatible with hundreds of millions of magnetic stripe cards used worldwide. It is designed to meet the needs of identification and security in many different areas and environments. Key features include: two-way swipe, the fastest card speed for maximum availability. The software allows the user to configure the reader as needed, including: data that can read the location of any data track on the card, custom programming.

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