【正文】 .....................44. 網(wǎng)絡(luò)結(jié)構(gòu) ..........................................................................................................................................75. 接口說明 ..........................................................................................................................................76. 協(xié)議棧 ..............................................................................................................................................87. 通信方式 ..........................................................................................................................................8. 短連接 ......................................................................................................................................9. 本協(xié)議涉及的端口號 ............................................................................................................108. 接口流程 ........................................................................................................................................10. POS 充值 ................................................................................................................................10. 消費撤銷 ................................................................................................................................12. 退貨 ........................................................................................................................................13. 簽到 ........................................................................................................................................15. 批結(jié)算 ....................................................................................................................................15. 回響 ........................................................................................................................................16. POS 終端初始化 ....................................................................................................................17. 應(yīng)用程序更新 ........................................................................................................................18. 參數(shù)更新 ................................................................................................................................18. KEK 更新 ...........................................................................................................................199. IF1——POSPOS 服務(wù)系統(tǒng)交易接口 .........................................................................................20. 消息域說明 ............................................................................................................................20. 指令說明 ........................................................................................................................20. 8583 數(shù)據(jù)類型 ...............................................................................................................21. 數(shù)據(jù)元名稱及其定義 ....................................................................................................21. POS 終端消息交換說明 ........................................................................................................36. 消息格式說明 ................................................................................................................36. 交易類 ............................................................................................................................37. 管理類 ............................................................................................................................41. 應(yīng)答碼描述 ............................................................................................................................4510. IF2——POSPOS 服務(wù)系統(tǒng)管理接口 .....................................................................................472 / 66. 協(xié)議說明 ............................................................................................................................47. LEN 說明 .......................................................................................................................47. TLV 結(jié)構(gòu)說明 ..............................................................................................................47. 指令說明 ............................................................................................................................50