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Siemens Mux_guide_v06 1.1 Supported products and related documents , 1.2 References

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Multiplexer User's Guide

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Mux_guide_v06 Page 7 of 36 30.06.2004

1.1 Supported products and related documents

Supported products

• AC43

• AC45

• MC35i

• MC35i Terminal

• MC39i

• MC45

• MC46

• MC388

• MC5x

• TC35i

• TC35i Terminal

• TC45

• XT55

Related documents

[1] Hardware Interface Description supplied with your GSM engine

[2] AT Command-Set supplied with your GSM engine

[3] Release Notes supplied with your GSM engine

[4] Remote-SAT User's Guide

[5] Multiplexer Driver Developer’s Guide for Windows 2000 and Windows XP

[6] Multiplexer Driver Installation Guide for Windows 2000 and Windows XP

For further documents regarding your GSM engine please refer to the latest Release Notes

supplied with the module.

To visit the Siemens Website you can use the following link:

http://www.siemens.com/wm

1.2 References

[1] Digital Cellular Telecommunications Systems (Phase 2+); Terminal Equipment to

Mobile Station (TE-MS) "Multiplexer Protocol"; ETSI TS 101 369 V7.1.0 (1999-11),

GSM 07.10 Version 7.1.0, Release 199

Contents

Main Users Guide Multiplexer User's Guide Multiplexer User's Guide Confidential / Released Mux_guide_v06 Page 2 of 36 30.06.2004 Contents Figures Tables 0 Document history 1 Introduction 1.1 Supported products and related documents 1.2 References 1.3 Term and abbreviations 2 Multiplexer protocol an overview 2.1 Product concept and architecture 2.2 Virtual channels and AT commands 3 Integrating multiplexer into the customer application 3.1 Characteristics 3.1.1 Basic requirements 3.1.2 Restrictions 3.1.3 Dependencies between multiplexer channels and restrictions of use 3.1.4 Functions without channel dependencies 3.1.5 Timing conditions 3.1.6 Operation of a second physical serial interface ASC1 (if applicable) 3.2 Multiplexer control and signaling lines 3.2.1 Flow control Page 3.2.2 Escape sequence 3.3 Power saving 3.4 Bandwidth of logical channels 4 Structure of the multiplexer protocol 4.1 Introduction of the multiplexer protocol 4.2 Data link layer 4.2.1 Flag sequence 4.2.2 Address field 4.2.3 Control field 4.2.4 Length indicator 4.2.5 Information field 4.2.6 Frame checking sequence field (FCS) 4.3 State diagrams Figure 4: Relationship between the customer C and the GSM engine C Customer C Master state machine GSM engine C Slave state machine Customer C GSM engine C Figure 5: MPI Startup, DLC establishment and information transfer Serial interface Customer C GSM engine C Serial i nterface 4.3.1 Start-up procedure 4.3.2 DLC establishment Customer C GSM engine 4.3.3 Information transfer Customer C (Initiator) GSM engine (Responder) Customer C GSM engine 4.3.5 Close-down procedure 4.3.6 Multiplexer control channel Information Field 4.3.7 Multiplexer close down (CLD) 4.3.8 Test command (Test) 4.3.9 Modem status command (MSC) Page 4.3.10 Power saving control (PSC) 4.3.11 Non-supported command response (NSC) Multiplexer User's Guide Confidential / Released 4.4 Example: Establishing logical channels without parameter negotiation Customer C Serial interface GSM engine C Figure 13: Establishing the multiplexer control channel and the logical channel 5 Multiplexer protocol version control 5.1 Introduction 5.2 Multiplexer protocol versions 5.3 Implementing version control 5.3.1 Troubleshooting 5.3.2 Coding of TestCommand message 5.3.3 Example of TestCommand message