Want to do POS machine agent sales, what knowledge points do you need to know?

Everyone has a direction in which they are good at familiarity, and there are places that they don't understand. Every industry has different intervention methods and different roles! Like everyone else, the payment is as deep as the sea, and since then it is a passerby! During the period of employment, there are also some feelings. Just these days, there are also small partners to interact again. From paying Xiaobai to paying big coffee, what kind of knowledge do you need to know and what capabilities? Today, around this small idea, write a paragraph and discuss it with everyone.

For beginners, what you need to know first is: What are the common terms used in the POS industry?

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.

What is the MCC code?

Mcc is short for merchant category code, Chinese name is merchant industry code. There are tens of millions of merchants in the country. When UnionPay distributes POS to merchants, it will set up a merchant number. This number is very particular. This number is usually 15 digits, and the organization code (3 digits) + area code ( 4 digits) + merchant type mcc code (4 digits) + merchant sequence number (4 digits), and mcc code is an important part of this merchant number.

What is one machine and one yard?

After the cardholder successfully prints the card on the merchant's pos machine, the ticket will be printed out. There is a merchant number on it. From the 8th to the 11th (4 digits), the MCC code of the POS machine of the merchant is corresponding to this code. It is the industry that the business operates.

What is a set of codes?

In the actual credit card consumption, have you encountered the following situation? It is clear that the friend is invited to eat at the restaurant. After paying the credit card payment, the transaction document shows that the name of the merchant is xx real estate company, xx wholesale company and other names that are obviously inconsistent with the merchant type. And after checking the bill, I found that the pen should have a point transaction but no accumulated points, which is the pos machine set code.

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.

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.

What is a cutting machine?

Replace the original bank card acquirer of the POS machine with the new bank card acquirer.

What is the machine to join the network?

The source of the POS terminal generally has two places. One is the custom machine provided by the payment company. The POS program belonging to the brand has been installed in the POS machine. The second is the bare machine sold by the POS terminal manufacturer. The downstream channel negotiates the purchase price, and installs the POS program provided by the payment company that belongs to the model, and needs to enter the equipment number of these self-contained bare metal into the payment company's system database. Many payment companies support their own channel operators to join the network. However, in fact, according to the UnionPay regulations, such behaviors are likely to cause trade security risks are not allowed.

What is the bottom secret, what is decryption?

The bottom secret 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, which is used 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.

What is non-connected?

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.

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.

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 the rest day, holidays); D+0 is the day of the year. Holidays, holidays).

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.

What is a foreign currency machine?

POS machines that can support foreign visa cards (visa masters) are generally applied for: 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. Special reminder, when using foreign currency machine, it must be used according to the requirements.

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. .

The above is some basic knowledge of pos payment. If you don't know it, you can directly use the agent to brush mpos, but you don't know that it is not professional enough. I hope that the friends who want to do it will grow together, and 2018 will be more smoothly and calmly!