D120
Series
DTU
User
Manual
E
‐
Lins
Technology
Co.,
Limited
connection is made.
<delay>
- The delay (in seconds) between <method> is triggered and the string is
being sent. 0 means that the string will not sent immediately.
< RegInfoString>
- The actually registration information packet being sent.
- Two variables could not used in string
3
、
AT+KEEPALIVE=<Period>,<KeepAliveString>
<Period>
- The time (in seconds) between each keep alive packet is being sent. 0
means this feature is being off.
<KeepAliveString>
- The actually string being sent as a keep alive packet. Note: no variables
is supported in this string
4
、
AT+IDLETIME=<time>
<time>
- The time (in minutes) requires to be idle (on both sides) in order to let the
DTU to disconnect itself from connection. (Keep alive and registration
information packet is not counted). 0 means the feature is disabled.
5
、
AT+CLIENTCONFIG=<index>,<IpAddress>,<port>
<index>
- The index of the client configuration set.
<IpAddress>
- The IP address (in string) which the socket is going to connect.
<port>
‐
The
TCP/IP
port
(in
number)
which
the
socket
is
going
to
connect.
6
、
AT+DTUID=<DTUID>
The command is used to set the DTU identifier for unit
<DTUID>
‐
the
DTU
identifier
set
for
the
unit
7
、
AT+DATAMODE=<mode>
Set the format of the data packets that will sent thought-out the network
<mode>
‐
0
(default)
for
the
data
the
encapsulated
with
headers
(format
from
the
customer
docment).
- 1 for the direct data mode, no packet header encapsulated.
8
、
AT+SOCKETOPEN=<index>,<protocol>
<index>