Справочник ПользователяСодержаниеContents3Figures4Tables4Document history5Introduction6Supported products and related documents7References7Term and abbreviations8Multiplexer protocol – an overview9Product concept and architecture9Virtual channels and AT commands10Integrating multiplexer into the customer application11Characteristics11Basic requirements11Restrictions11Dependencies between multiplexer channels and restrictions of use12Functions without channel dependencies12Timing conditions13Operation of a second physical serial interface ASC1 (if applicable)13Multiplexer control and signaling lines14Flow control14Escape sequence16Power saving16Bandwidth of logical channels16Structure of the multiplexer protocol17Introduction of the multiplexer protocol17Data link layer17Flag sequence18Address field18Control field19Length indicator20Information field20Frame checking sequence field (FCS)20State diagrams21Start-up procedure25DLC establishment25Information transfer25DLC release26Close-down procedure26Multiplexer control channel26Multiplexer close down (CLD)27Test command (Test)27Modem status command (MSC)28Power saving control (PSC)30Non-supported command response (NSC)31Example: Establishing logical channels without parameter negotiation32Multiplexer protocol version control33Introduction33Multiplexer protocol versions34Implementing version control35Troubleshooting35Coding of “TestCommand” message36Example of “TestCommand” message36Размер: 1,0 МБСтраницы: 36Язык: EnglishПросмотреть
