Multiplexer Driver Developer’s Guide
2 Architecture
s
2 Architecture
2.1Hierarchy Chart in the System
Sessions running simultaneously
Fax application | SMS functions | Read battery | |
data transfers | status | ||
channel 2 | |||
channel 1 | channel 3 | ||
(COM 11) | |||
(COM10) | (COM 12) | ||
|
User
Terminal
COM1
direct connection
File object for | File object for | File object for |
virtual COM port | virtual COM port | virtual COM port |
File object for physical COM1 port
Device object
"winmux2k.sys"
Multiplexer Protocol GSM 07.10
one control channel and
data channels
Serial.sys
port COM1
Kernel
Hardware
connection
Phys. serial port
Modem
Siemens GSM
engine with
Multiplexer Protocol
Figure 1: Driver architecture
Mux_Drv_DevGuide_v07 | Page 12 of 36 | |
Confidential / Released |
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