User's Manual

14
4 Parameter Settings
4.1 Local Serial Port/Serial Port 2
The DTU serial port parameters should be the same as the serial port parameters of
the peer device connected to the serial port.
Table 4-1 Parameter settings for serial port
Parameters
Description
Default
Baud rate
1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, or
115200, in bps
9600
Data bit
5, 6, 7, or 8
8
Stop bit
1, 1.5, or 2
1
Parity
None/odd/even
None
Scan interval
Retain the default value.
2
Response
timeout
Retain the default value.
5
Max frame size
1024 by default, range: (10-1024)
1024
4.2 Work Mode
According to the below table, set the parameters of the working mode of the DTU,
such as the connection mode and activation mode.
Table 4-2 Setting DTU working mode
Parameters
Description
Default
Connection type
Long connection or short connection
Long
connection
Phone active
Enable or disable phone active
Enabled
SMS active
Enable or disable SMS active
Enabled
Local data active
Enable or disable local data-flow active
Enabled
Auto active interval
5-1440 minute
0
Auto offline interval
0~60 minutes, the minimum setting time is 1 minute
If set to 0, it will automatically adapt to the 1 minute.
0
GPRS/SMS
GPRS or SMS link.
GPRS
Transmit received
SMS to serial port
Enable or disable the function. If enabled, received
messages are transmitted to the working serial port.
Disabled
Configuration mode
Packet mode or stream mode.
Stream
mode