POS machine basic common sense introduction, agent household must see
In recent years, with the rise of the payment industry, many entrepreneurs have chosen to enter the POS industry, and edit and edit some original materials for entrepreneurs and employees to quickly and accurately understand the industry. If you feel that the content of Xiaobian is helpful to you. Xiaobian will regularly organize dry goods and push the most timely market trends to everyone, and look forward to growing with you.
1. What is the limit?
POS machine quotas are common to merchants that settle accounts with private accounts, such as single transaction limits, or single card transaction limits, or daily arrival limits, etc., which impose different limit requirements based on different risk control policies of the acquirer to reduce illegal transactions. risk.
2. What is the code hop?
The so-called general hopping code means that the merchant clearly applies for the livelihood industry rate, but the actual consumption statement is the wholesale or other lower rate industry, and the acquirer obtains a higher fee difference profit. Some merchants often wonder why there are no points in the previous consumption or sometimes there are points. This is because the acquirer uses the system to discriminate the transaction amount and transfer the profitable transaction to the capping channel with lower rate. .
3. What is it: do local merchants land?
The so-called landing merchants refer to the POS machines or card readers that some individuals apply for to brush their own credit cards. If the card issuing bank sees that the card is always in the same merchant, it will be considered as cash or risk trading suspects, in order to avoid In this case, the acquirer is set in the system, and each transaction can automatically jump to display different merchant names, and the address of the merchant is local. If it does not land, if you jump to the merchants in the country, it will obviously be abnormal consumption in a short period of time, which will affect the use of credit cards.
4. Can the name of the merchant be taken at will?
It is not allowed to start at will. According to the requirements of the trading message specified by UnionPay (the guide for the completion of the Chinese name of the merchant), the name of the merchant is composed of administrative divisions, font size, industry and organization.
5. What is a machine and a code?
The machine that is officially processed is one machine and one code. According to the five-certificate information of the merchant, the MCC code authorized by UnionPay and can be checked is bound to a machine to protect the security of the merchant's funds.
Why is the POS machine not checking the balance function?
In order to prevent malicious testing of bank card password behavior, some acquirers close the bank card balance inquiry function.
7. What is the cutting machine?
Replace the original bank card acquirer of the POS machine with the new bank card acquirer.
Eight. What is the machine to join the network?
The source of the POS terminal generally has two places, or a custom machine provided by the payment company. The POS program belonging to the brand has been installed in the POS machine, or the bare machine sold by the POS terminal manufacturer is provided by the downstream channel. Negotiate the purchase price, and install the POS program provided by the payment company that belongs to the model, and need to enter the equipment number of these self-contained bare metal into the payment company's system database. Many payment companies support their own agent channels to bring their machines to the network. However, in fact, according to the UnionPay regulations, such behaviors are likely to cause trade security risks are not allowed.
Nine. What is the bottom secret, what is decryption?
It is called the underlying key of the POS machine. Generally, the underlying key is a model customized by the third-party payment company in the terminal manufacturer to protect the program and data transmission security of the POS machine. Decryption, as the name suggests, is to clear the program to facilitate the writing of new programs to facilitate cutting. In most cases, a POS machine with an underlying key needs to be replaced with a chip that stores the program.
X. What is cashing?
It means that the credit card holder uses the POS machine for false consumption, so that the funds in the credit card are transferred to the POS merchant account through “consumptionâ€, and the merchants will transfer the remaining funds to the cardholder after receiving a certain “beneficiary feeâ€.
XI. What is a card?
Cards are those that use the credit card used for personal financing to maintain their own credit card, so that the credit card maintains a good card record to protect the existing quota or to increase the amount according to the card issuer's regulations after a period of time. More activity funds.
Twelve. What is non-connection?
Generally speaking, the POS machine has a non-connected function, which means that a bank card with a chip can be used on a POS machine with a contactless reading function. This function involves production costs, so it is generally a non-standard module of a traditional POS machine.
XIII. What is an electronic signature?
The electronic ticket automatically generated by the POS terminal according to the consumer order and provides a signature function.
14. What is the SN number, device number, serial number?
The product serial number of the POS machine manufacturer for each terminal is generally called the SN number, which is generally printed on the back of the POS machine. The purchaser needs to enter the SN number in the system, and the POS machine can connect with the system background.
15. What is T+1/T+0/, D+1/D+0?
T+1 is the second business day to arrive;
T+0 is the day of the business day;
D+1 is the next day (including rest days, holidays);
D+0 is the same day of the year (including holidays, holidays).
XVI. What is the withdrawal fee?
Generally refers to the service provided by the acquirer on the same day, the normal situation of the customer's transaction at the merchant's POS machine is the next day, that is, T+1 is credited. The merchant needs to arrive at the account on the same day, that is, T+0 or D+0 to the account service, that is, need to apply for cash withdrawal, because the cash collected is for the other party, so a certain percentage of the withdrawal fee is required.
17. What is a foreign currency machine?
It is able to support POS machines that brush foreign bank cards (Visa master). Most of the companies that apply for it are bar catering, star-rated hotels, foreign trade companies that often go out to exhibit, and industrial enterprises. As far as the POS industry is concerned, there are only two cases of foreign currency POS machines. One is cashing out, and the basic ones are foreign pseudo-card copy cards. One is to raise cards. Currently, there are mobile applications using foreign accounts. Payment software + card reader, and then use the software to locate the mobile phone abroad, to simulate the situation of foreign transactions, spending a few dollars, not to arrive, but some credit card issuers will temporarily increase their credit for credit cards that can be traded abroad. The amount, so some people use this to earn a high fee for the card-raising business, but the credit card is at risk of being blocked.
18. What magnetic stripe card, chip card?
Bank cards generally have two categories, debit cards and credit cards. Debit cards generally refer to savings cards. Credit cards generally refer to credit cards. There are generally three types of technology for storing data information on bank cards. Single magnetic stripe Card, the other is the bank card of the magnetic stripe + chip. Bank cards issued after 2015 are basically single chip cards. After 2014, the People's Bank of China deployed and implemented a national POS machine to shut down the chip bank card downgrade transaction. At the same time, the bank card with magnetic stripe + chip will only be able to insert the chip and can no longer brush the magnetic strip. The chip card payment will bid farewell to the card, ushing in Card era.
19. What is the CVV2 code?
The CVV2 code, also known as the credit card security code, is a security code for credit card transactions, usually the last 3 digits of the italicized words printed on the back of the bank card. The CVV2 code is used to verify that the payer does own the credit card at the time of the transaction, thereby preventing credit card fraud. The importance is equivalent to the second password of the bank card.
Twenty. What is a "downgrade transaction"?
Downgrade transaction means: if the bank card chip data cannot be read, the magnetic stripe is degraded, but now the bank gradually closes the downgrade transaction. When the POS is operated, inserting and brushing sometimes causes the POS to promptly refuse the downgrade transaction. .
Twenty-one. What is the number of the bank?
The Lianhanghao is the only identification mark of a regional bank. It is used for cross-regional payment and settlement services such as the large-value payment system organized by the People's Bank of China\the small payment system\the city commercial bank bank draft system\the national check image system (including the city's same-city automatic clearing system). It consists of 12 digits: 3 bank code + 4 digit city code + 4 bank number +1 digit check digit.
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