SimCom SIM900 Series User manual
Packag
e
¾
¾
Featur
e
¾
¾
e
contents:
SIM900AG
S
DOCUMEN
T
e
s:
Supplypow
e
OnboardFe
a
1.
O
2.
O
3.
O
m
4.
O
5. 3
m
6.
O
7.
O
SIM9
0
S
MMODEM
T
ATIONCD.
e
r:DC9Vto
a
tures:
O
nboardPo
w
O
nboardindi
c
O
nboardpro
v
m
anual)usin
g
O
nboardDB
9
pinmaleh
e
m
icrocontroll
O
nboardAud
O
nboardPW
M
0
0/90
0
withAnten
n
12V(DC9V
t
w
erON
&
Ne
t
c
atorLED&
v
isiontosel
e
g
thejumpe
r
9
connector
f
e
ader(TTL)i
n
er.
io(speaker
a
M
andADC
c
0
AGS
M
n
a.
t
ypical)
NO
T
t
workindica
buzzerfori
n
e
ctthepow
e
r
withonbo
a
f
orconnecti
n
n
terfacefor
c
a
ndmicrop
h
c
hannels(SI
M
M
M
O
T
E:Recomm
e
torLED
n
comingme
s
e
ronofSIM
9
a
rdswitchfo
n
gmodemd
c
onnecting
S
h
one)interfa
M
900APWM
O
DE
M
e
ndedpowe
s
sage&call
i
9
00A(either
rmanualP
O
irectlytoco
m
S
IM900dire
c
cepins.
andADCPI
N
M
rsupplyDC
i
ndication
automatic
o
O
WER‐ON.
m
putersser
i
c
tlywith
N
S)
9V/3A
o
r
i
alport.
All manuals and user guides at all-guides.com
all-guides.com
P
I
1.
2.
3.
4.
5.
6.
7.
State
Stand
b
Voice
C
Datac
a
SMS
URC
8.
I
NOUT:
DCINJack:
D
PowerEna
b
board.Whe
PowerIndi
c
EXT‐EN:
Ext
e
circuit.
S/W:
Onbo
a
PowerONs
Automatic)
RILEDand
B
R
b
yH
C
allT
h
c
h
1
.
2
.
a
llT
h
c
h
1
.
2
.
T
h
c
h
T
h
it
BuzzerEna
b
D
CInputPI
N
b
leSwitch:
T
npressedt
u
c
atorLED:
M
e
rnalenabl
e
a
rdswitcht
o
electionju
m
B
uzzer:
Inco
m
IResponse
igh
h
ePINisch
a
h
angedtoH
i
.
Establishth
.
Hangupth
e
h
ePINisch
a
h
angedtoH
i
.
Establishth
.
Hangupth
e
h
isPINchan
h
angedtoH
I
h
isPINchan
ischanged
t
b
leJumper:
J
N
forGSMM
hisisPower
u
rnsONthe
b
odempowe
e
spintotur
n
o
turnONo
r
m
per:
Tosel
e
m
ingmessa
g
a
ngedtoLo
w
i
gh
ecall
e
call
a
ngedtoLo
w
i
gh
ecall
e
call
gedtoLOW
I
GH.
gedtoLOW
t
oHIGH.
J
umpertoe
n
ODEM.
enableswit
c
b
oardandw
rindicatorL
n
ONorOFF
S
r
OFFSIM90
0
e
ctthepow
e
g
eandcalli
n
w
.whenany
w
.whenany
andkeptL
O
andkeptL
O
n
ableordis
a
c
htoTurnO
henrelease
d
ED.
S
IM900Am
o
0
Amodule
m
e
rONmode
o
n
dicatorLED
ofthefollo
w
ofthefollo
w
O
Wfor120m
O
Wfor120m
a
bleonboar
d
NorturnO
F
d
turnsOFF
t
o
dulewithe
x
m
anually.
o
ftheSIM9
0
andbuzzer.
w
ingevents
o
w
ingevents
o
swhenSMS
swhenURC
d
buzzer.
F
Fpowerto
t
t
heboard
x
ternalcont
r
0
0A(Manual
o
ccurstheP
I
o
ccurstheP
I
isreceived
a
isreported
t
he
r
olling
or
I
Nwill
I
Nwill
a
ndthen
andthen
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9. NetworkIndicatorLED:NetworkStatusIndicatorLED.
StateSIM900function
OffSIM900isnotrunning
64msOn/800msOffSIM900doesnotfindthenetwork
64msOn/3000msOffSIM900findthenetwork
64msOn/300msOffGPRScommunication
10. ADCandPWMPins:ADCandPWMPinsofSIM900A.(Referpage9,10forADCandPWM
commands)
11. AudioInterface:AudioPins(Speakerandmicrophonepins)ofSIM900/900A.
12. SIMInterface:SIMCardholderInterface.
13. Vout:Regulated4.2Voutputvoltageforexternalapplicationcircuit.
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POWER
I
A)
Step1:
Step2:
another
Step3
:
I
Step4:
A
Step5:
N
INGSIM900
/
POWERING
Putthejum
Connecton
e
endatcom
p
I
nsertavali
d
A
pplythe9
V
N
owpresst
h
/
900AMO
D
SIM900/90
0
perbetwee
n
e
endofthe
p
utersserial
d
SIMcardin
V
~12VDCvo
h
ePower‐O
N
D
EM:
0
AModemi
n
ST&AUT
P
serialCable
port.
theonboar
d
ltagesource
N
switchtot
nAutomati
c
P
INS.
attheDB9
s
d
SIMCARD
h
atDC‐INja
c
urnonthe
b
c
Mode:
s
erialconne
c
h
older.
c
kofSM900
A
b
oard.
c
torofthe
m
A
modem.
m
odemand
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B)
Step1:
P
Step2:
C
endatc
Step3
:
I
Step4:
:
Step5:
N
Step6:
N
switch
O
NOTE:
A
onceth
e
64msO
N
POWERING
P
utthejum
p
C
onnecton
e
omputerss
e
I
nsertavali
d
:
Applythe
9
N
owpresst
h
N
owpresso
O
R
applythe
A
fterpower
O
e
sim900/90
N
Time/300
0
HIGH
LOW
SIM900/90
0
p
erbetween
e
endofthe
s
e
rialport.
d
SIMcardin
9
V~12VDCv
o
h
ePowerO
N
nboardSwit
pulseshow
n
O
Nthenet
w
0Amodemi
0
ms
OFFTi
m
5Sec>
T
0
Amodemi
n
ST&MAN
P
s
erialCable
a
theonboar
d
o
ltagesourc
N
switchtot
u
ch(S/W)an
d
n
belowatE
w
orkLEDwill
sregistered
m
e.
T
ON>1
n
Manual
M
P
INS.
a
ttheDB9s
e
d
SIMCARD
h
eatDC‐INj
a
u
rnontheb
d
keepitpr
e
XT‐ENpin.
blinkatthe
tothenetw
TOFF>=
M
ode:
e
rialconnec
t
h
older.
a
ckofSM90
0
oard.
e
ssedforatl
e
rateof
64m
s
orkthenet
w
1.7Sec
t
orofthem
o
0
/900Amod
e
ast1seca
n
s
ONtime/
8
w
orkLEDwil
l
o
demanda
n
em.
n
dthenrele
a
8
00msOFFT
l
blinkatth
e
n
other
a
sethe
ime
and
e
rateof
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Con
n
Step1:
c
j
umper
Step2:
O
Start>A
l
Step2:
Step3:
Step4:
Nowwri
t
n
ectin
g
c
onfigureth
andothers
e
O
pentheco
l
lprograms
>
t
eanynam
e
g
SIM9
0
eModemf
o
e
ttingasex
p
mputershy
p
>
Accessorie
s
e
onthena
m
0
0Am
o
o
reitherma
n
p
lainedbefo
p
ertermina
l
s
>Communi
c
m
etabandc
o
dem
t
n
ualoraut
o
reinPOW
E
l
applicatio
n
c
ations>hyp
e
lickOK
t
oCom
o
maticpow
e
E
RINGSIM9
0
n
,tolaunch
t
e
rterminal
puter
e
rONmode
0
0/900AMo
d
t
heapplicat
i
usingonbo
a
d
em.
i
ongoto
a
rd
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Nowsel
e
Nowcli
c
e
cttheCO
M
c
konthere
s
M
port
s
toredefaul
t
t
settingan
d
d
clickOK
Hy
p
Ba
u
Da
t
Par
i
S
to
p
Flo
w
p
erTerminal
u
drate:960
0
t
aBits:8
i
ty:None
p
bits:1
w
Control:
N
Setting
0
N
one
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NO
T
the
b
sinc
e
aft
e
IF
a
u
ust
a
co
m
Nowthe
c
T
E:AHEXst
r
b
audrateo
f
e
itisusedf
o
e
rSIM900/9
0
u
to‐baudin
a
rtuptheM
E
m
mandline.
c
onnectioni
s
r
ingsuchas
“
f
115200im
m
o
rsynchroni
z
0
0Aispowe
r
g
isenable
d,
E
,andthe
“
A
s
establishe
d
“
0049494
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m
ediatelyaf
t
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ationwith
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r
edONand
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d,
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andyouc
a
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erSIM900i
s
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y
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nsolicitedr
e
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s
s
poweredo
n
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entertheA
T
e
sultcode“
R
o
des“RDY”
a
mustbeset
A
T‐Comma
n
s
entoutthro
n
.Thestrin
g
T
command
s
R
DY”isrecei
v
a
ndsoonar
e
atthebegi
n
n
dstotheG
S
ughserialp
o
g
shallbeign
s
throughse
r
v
edfromser
i
e
notindica
t
n
ningofeac
h
S
Mmodem
o
rtat
ored
r
ialport
i
alport.
t
edwhen
h
All manuals and user guides at all-guides.com
A
D
D
C co
m
m
mand
s
s
:
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P
W
W
M co
m
m
man
d
d
s
:
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