Siemens Mux_guide_v06 - Manual (Page 23)

Multiplexer User's Guide
Confidential / Released
s
m
o b i l e
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
Sta
rt
U
p
"A
T+
CM
UX
"
Connected
RequestSABM
IndicationSABM
ResponseDM
ConfirmDM
DL
C E
st
abl
is
hm
ent
,
DLC c
re
at
ed
Disconnected Disconnected
RequestSABM
IndicationSABM
ResponseUA
ConfirmUA
D
LC
Es
ta
bli
shmen
t,
DL
C no
t c
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