2 architecture, 1 hierarchy chart in the system, Architecture – Siemens 7 User Manual

Page 12: Hierarchy chart in the system, Figure 1, Driver architecture, 2architecture, User, Multiplexer driver developer’s guide

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Multiplexer Driver Developer’s Guide

2 Architecture

Mux_Drv_DevGuide_v07

Page 12 of 36

2006-9-27

Confidential / Released

Architecture

2.1

Hierarchy Chart in the System

Figure 1: Driver architecture

Sessions running simultaneously

Fax application

data transfers

channel 1

(COM10)

Read battery

status

channel 3
(COM 12)

SMS functions

channel 2

(COM 11)

Terminal

COM1

direct connection

File object for

virtual COM port

File object for

virtual COM port

File object for

virtual COM port

File object for

physical COM1

port

Device object

"winmux2k.sys"

Multiplexer Protocol GSM 07.10

Serial.sys

port COM1

Phys. serial port

Modem

Siemens GSM

engine with

Multiplexer Protocol

User

Kernel

Hardware

RS-232

connection

one control channel and

data channels