MD-309 User Manual
56
5)
At last, use command “AT+EXITCFG” to exit the configuration mode, then DTU
will reboot to apply the changes.
For example, to modify MD-309’s data center domain (eyun.etungtech.com), port
(8080) and protocol (UDP), use the following AT command list:
AT+ENTERCFG\r
AT+SET=1,eyun.etungtech.com\r
AT+SET=2,8080\r
AT+SET=5,UDP\r
AT+EXITCFG\r
With MD-309 V3.0.7 as an example, the configuration items’ order, description and
default values are shown in the table below. Different versions may have different
definitions, so it needs confirmation.
Order
Description
Default Value
1
Data center domain/IP
eyun.etungtech.com
2
Data center port
8080
3
Username
N/A
4
APN
N/A
5
Protocol[UDP/TCP]
TCP
6
Connect mServer[Y/N]
Y
7
Self-defined registration packet without
mServer
N/A
8
Self-defined heartbeat packet without
mServer
N/A
9
Serial output connection information
N
10
DNS server
N/A
11
Dialup account
2G
12
Dialup password
****
13
Phone number
13901234567
14
Connection mode[1:Always online/2:Wakeup
online/3:Online upon request]
1
15
Phone number used to wakeup via ringing
N/A
16
Password used to wakeup via SMS
1234
17
Heartbeat interval(second)
60
18
Baud rate(bps)
9600
19
Data bit[5/6/7/8]
8
20
Parity[N/E/O/M/S]
N
21
Stop bit[1/1.5/2]
1
22
Serial type[232/485]
232
23
Debugging mode[Y/N]
N
Table Appendix 5-1: MD-309 Configuration Items
Summary of Contents for MD-309 2G DTU
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