User`s manual

Beijing ART Technology Development Co., Ltd.
another way, if writing command with parameter configuration is not illegality (for example the baud rate has surpassed
the scope of requirement), then DTU will refuse to receive this parameter and return “ERRDATA”.
Note:
1 The data in command frame is all ASCII characters, and all inputted characters do not be divided the big or small
letter;
2 Command codes can be found in Table 2.1.4-2;
3 Writing command frames’ length can be found in Table 2.1.4-2.
Table2.1.4-1
Command Frame Type Format
Writing Command AT+ command code=parameter
Right OK\r\n
Command
mistake
ERR CMD\r\n
Writing
Respon
se
Parameter
mistake
ERR DATA\r\n
Reading command AT+ Command Code?\r\n
Reading Response Command code =Parameter\r\n
Table2.1.4-2
Function name
type code
Maximum
length
Settings
Module type R
DTUTYP
E
10 Such as ART1090
Device ID R DTUID 15 unique ID，can not change
Software
version
R SWVER 5 Such as V1.00
Device name RW
DTUNA
M
15 Such as ARTDTU01
SIM number RW PHON 11 Such as15810437433
Mode RW MODE 1
0 ： online forever1 ： idle
winding2：idle power-down
Mode type RW
DTUMO
DE
1
0：client，1：server，
2：CSD client，3：CSD server
Local
settings
Transport
Mode
RW
DATMO
DE
1
0：agreement transmission，1：
transparent transmission
Goal
Settings
Center
number
RW SVRCNT 1 1~2
9