basic mode control procedures meaning in English

基本型控制规程

Basic mode control procedures for data communications
数据通信基本型控制规程
Digital data transmission - specification for basic mode control procedures
数字数据传输.第1部分:基本型控制程序规范
Data communication . basic mode control procedures . code independent information transfer
数据通信.基本模式控制规程.代码独立的信息传输
Digital data transmission - basic mode control procedures ; conversational information message transer
数字数据传输.基本型控制规程.信息性会话信息的传输