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One. What is the bank number?
The Lianhanghao is the only identification mark of a regional bank. It is used for the inter-regional payment and settlement business of the large-payment system of the large-value payment system organized by the People's Bank of China, the national check image system of the city commercial bank bank draft 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. You can query in the Baidu search query Lianhang number.
two. 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.
three. 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).
four. 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.
Fives. 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 POS program and data transmission security. 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.
With POS, you can attract people to consume better, so you should choose a regular agent to configure. Don't believe that the informal institutions have made a lot of preferential efforts. In the end, it may not only be cheap, but also suffer losses. The reputation of the merchant is fundamental, and it is even more difficult to estimate the impact.
Notes on the purchase of POS machines
In today's trend of third-party payment, people have changed the inherent consumption pattern and replaced the large amount of cash in the wallet with a card. In order to cater to the user's consumption pattern and promote the growth of consumption, merchants began to purchase POS machines. However, in the face of this emerging market that has not stabilized, the risks exist. The application process of UnionPay is too complicated to bring out the service of third-party organizations, but many unofficial authorized institutions have emerged. In the market, merchants can't tell the end of the loss, all because the merchants do not understand the product. Merchants need to understand the following important aspects when purchasing: