D120
Series
DTU
User
Manual
E
‐
Lins
Technology
Co.,
Limited
Table
of
Contents
1
PROLOGUE ·······································································································································4
1.1
V
ERSION
···································································································································· 4
1.2
R
EFERENCED
D
OCUMENTS
············································································································· 4
1.3
N
OTICE
······································································································································ 4
2
INTRODUCTION ······························································································································5
2.1
B
RIEF
········································································································································ 5
2.2
F
EATURES
··································································································································· 5
2.3
S
PECIFICATION
····························································································································· 5
2.4
A
PPLICATION
······························································································································· 6
3
GETTING STARTED ························································································································7
3.1
P
ANEL
INTRODUCTION
··················································································································· 7
3.2
T
HE
LED
STATE
···························································································································· 7
3.3
C
ONNECT
TO
PRODUCTS
················································································································ 8
3.4
I
NSERT
SIM
C
ARD
························································································································ 8
3.5
N
OTE
:
H
YPER
T
ERMINAL
··············································································································· 8
3.6
T
EST
COMMAND
························································································································ 12
4
CONFIGURE DTU BY PC ·············································································································13
4.1
UDP
M
ODE
····························································································································· 13
4.1.1
UDP
client
Transparent
transfer
Mode
always
online
································ 13
4.1.2
UDP
client
Transparent
transfer
Mode
transitory
link.
······························· 13
4.2
TCP
M
ODE
···························································································································· 14
4.2.1
TCP
client
Transparent
transfer
Mode
always
online
································· 14
4.2.2
TCP
client
Transparent
transfer
Mode
transitory
link.
································ 14
4.3
F
OR
E
XAMPLE
······················································································································· 15
5
COMMAND FUNCTION ···············································································································21
5.1
S
ETTING
REGISTRATION
PACKAGE
··································································································· 21
5.2
S
ETTING
KEEPALIVE
PACKAGE
········································································································ 22
5.3
S
ETTING
CLIENT
ADDRESS
AND
PORT
······························································································· 22
5.4
S
ET
IN
A
TRANSPARENT
TRANSFER
MODE
························································································· 22
5.5
O
THER
AT
COMMANDS
··············································································································· 23
5.5.1
AT+IPCONFIG?
······················································································ 23
5.5.2
AT+TELE=<index>,<Tel_num>
································································· 23
5.5.3
AT+SMS=<sms>
····················································································· 23
5.5.4
AT+CSQ
································································································ 24
5.5.5
AT+CFUN=1
·························································································· 24
5.5.6
To restore the value of the factory ······················································ 24
5.6
B
AUD
R
ATE
······························································································································· 24
5.7
APN
CONFIGURATION
················································································································· 24
5.8
W
ATCH
D
OG
····························································································································· 25
5.9
I
DLE
TIME
CONTROL
···················································································································· 25
