DTU
User Manual
www.wlink-tech.com
11
3.2
DTU Configuration
3.2.1
DTU serial port Settings
DTU Serial port settings instruction.
Parameters
Description
Instruction
Default
Baud rate
Serial port properties
300/600/1200/2400/4800/9600/19200/384
00/57600/115200 optional.
RS232 Port for 115200bps as default.
RS485 Port for 115200bps as default.
Data bits
8
8
Stop bits
1/2
1
Parity
NULL/ODD/EVEN
NULL
Command mode
DTU and terminal communication as
special protocol. Under command
mode, terminal might setup DTU
configuration.
Enable/Disable
The default is for transmission mode.
Disable
Max Package
Length
The max transmission unit. Once data
package length exceed to MTU, DTU
will split data package as MTU.
1~1024bytes
1024bytes
Min Internal
The Min Interval is the waiting time
interval for transmitting the data
package that is less the MTU. If the
last package equals to the MTU, DTU
will transmit it immediately.
100~1000ms
300
Debug Info
Control serial port debug information
NULL/DEBUG/STATUS/AT. Configure AT
level during testing with PC. Configure
NULL, then connect DTU to device.
[
NULL
]
DTU won’t send any information to
serial.
[
DEBUG
]
DTU sends simple information to
NULL