52ky 发表于 2022-9-19 16:48:33

POS终端规范-20050915

很全的POS终端规范,由银联拟定的规范,包括了每个模块的细节请求本资料共包括以下附件:
POS终端规范-20050915.pdf
包括多个文件,请自行下载检测!

(The complete POS terminal specification, the specification drawn up by UnionPay, includes the details of each module. This document includes the following attachments:
POS Terminal Specification-20050915.pdf
Including multiple files, please download and test by yourself!)




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