4G_2G DTU Products Function
- 8 -
1.
FUNCTION DESCRIPTION
The products to which this document applies have the following characteristics.
➢
Connect the device to a PC or other server by establishing TCP/UDP or Telnet to support up
to 3 socket communications.
➢
One or Two independent serial ports work.
➢
Support IOTService to remotely modify module working parameters.
1.1. Basic Network Protocol
The products uses IP address for network communication. Transmit by TCP, the data can be
ensured without loss or duplication, and reach the communication destination address accurately. And
transmit by UDP, the data can be transmitted to the destination address quickly and efficiently.
Figure 1.
Network Application
1.2. Working Mode
1.2.1.
Transparent Throughput Mode
The device supports a serial interface for transparent throughput mode. In this mode, the user
only needs to set some necessary parameters (network communication parameters). After power-on,
the device can automatically connect to the default network and server. Use the IOTService software
to set communication parameters.
