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Customer µc gsm engine µc, Serial interface, Multiplexer user's guide confidential / released – Siemens Mux_guide_v06 User Manual

Page 23

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Multiplexer User's Guide
Confidential / Released

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Mux_guide_v06

Page 23 of 36

30.06.2004

Customer

µC

GSM engine

µC

Closed Down

Closed Down

RequestStartUp

ResponseStartUp

ConfirmStartUp

IndicationStartUp

Disconnected

Disconnected

Serial

interface

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Connected

RequestSABM

IndicationSABM

ResponseDM

ConfirmDM

DL

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ent

,

DLC c

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ed

Disconnected

Disconnected

RequestSABM

IndicationSABM

ResponseUA

ConfirmUA

D

LC

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ta

bli

shmen

t,

DL

C no

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rea

te

d

Connected

Connected

Connected

Connected

RequestUIH

IndicationUIH

IndicationUIH

RequestUIH

Connected

Infor

m

ati

on

T

ran

sf

er

Figure 5: MPI – Startup, DLC establishment and information transfer