Siemens TC3 Series User Manual page 4

TC3x Multiplexer User's Guide
7 Integrating the multiplexer into the customer application .................................................... 27
7.1 Tips and Tricks .................................................................................................................. 27
7.1.1
7.1.2
7.2 Restrictions........................................................................................................................ 27
7.3 Multiplexer control and signaling lines............................................................................... 28
7.3.1
7.3.2
7.4 Power Saving .................................................................................................................... 30
7.5 Flash Management............................................................................................................ 30
8 Structure of the multiplexer protocol ...................................................................................... 31
8.1 Introduction of the multiplexer protocol ............................................................................. 31
Data link layer .............................................................................................................................. 31
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.3 State Diagrams.................................................................................................................. 34
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.6.1
8.3.6.2
8.3.6.3
8.3.6.4
8.4 Samples of establishing logical channels .......................................................................... 41
8.4.1
8.4.2
9 Version Control.......................................................................................................................... 43
9.1 Introduction........................................................................................................................ 43
9.2 Multiplexer versions........................................................................................................... 43
9.3 Implementation.................................................................................................................. 44
9.4 Case Descriptions ............................................................................................................. 45
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.5 Definitions.......................................................................................................................... 49
9.5.1
9.5.2
TC3x_UG_01_V03.10 - Released
Terminal Flow Control ........................................................................................ 27
Timeout after starting the multiplexer................................................................. 27
Flow Control ....................................................................................................... 29
Escape Sequence .............................................................................................. 30
Flag sequence.................................................................................................... 32
Address field ...................................................................................................... 32
Control field ........................................................................................................ 33
Length indicator.................................................................................................. 33
Information field ................................................................................................. 33
Frame checking sequence field (FCS) .............................................................. 33
Startup................................................................................................................ 37
DLC Establishment ............................................................................................ 38
Information transfer............................................................................................ 38
DLC release ....................................................................................................... 38
Closedown ......................................................................................................... 39
Multiplexer control channel ................................................................................ 39
Multiplexer close down (CLD) ............................................................................ 39
Test command (Test)......................................................................................... 40
Modem status command (MSC) ........................................................................ 40
Non-supported command response (NSC) ....................................................... 41
Establishing logical channels without parameter negotiation............................. 41
Closing the multiplexer protocol and returning to AT mode ............................... 42
Description case (01) ......................................................................................... 45
Description Case (02) ........................................................................................ 46
Description Case (03) ........................................................................................ 47
Description Case (04) ........................................................................................ 48
Abnormal Cases ................................................................................................ 48
Coding of "TestCommand" message................................................................. 49
Example of "TestCommand" message .............................................................. 50
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