Motorola G24 Guide - MUX States Overview; Product Architecture

Chapter 3: AT Commands Reference
December 31, 2007 AT Commands Reference Manual 3-435
Product Architecture
The following figure shows the former architecture (PREMUX).
Figure 3-18: PREMUX Architecture
The following figure shows the current product architecture (MUX).
Figure 3-19: Current MUX Architecture
MUX States Overview
The G24 MUX module has three states:
• PREMUX
• MUX-Init
• MUX
Only onechannel-
this Channelalternates
between Applications
HW/SW FC ,
Data stream
DTE G24
UART
Serial Mgr
C
h
a
n
n
e
l
1
App1 App2 App3 App n
UART
Serial Mgr
C
h
a
n
n
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1
App1 App2 App3 App n
HW/SW FC ,
Data stream
MUX Control
and Dataframes
Open/closed channels
Echo )test(
Open/Closed
Mux
Flow Control
Pure Data per
channel
DTE
DTE
UART
Serial Mgr
Mux- protocol
C
h
a
n
n
e
l
1
App1
C
h
a
n
n
e
l
2
C
h
a
n
n
e
l
3
C
h
a
n
n
e
l
4
Channel 0
1
App2 App3 App n
g20
G24
UART
Serial Mgr
Mux- protocol
C
h
a
n
n
e
l
1
App1
C
h
a
n
n
e
l
2
C
h
a
n
n
e
l
3
C
h
a
n
n
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l
4
Channel 0
1
App2 App3 App n